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)
183 u32 mtu, max_rx_frame;
187 vlib_main_t *vm = vlib_get_main ();
188 vlib_thread_main_t *tm = vlib_get_thread_main ();
189 vnet_device_main_t *vdm = &vnet_device_main;
190 vnet_sw_interface_t *sw;
191 vnet_hw_interface_t *hi;
193 vlib_pci_addr_t last_pci_addr;
194 u32 last_pci_addr_port = 0;
195 vlib_thread_registration_t *tr_hqos;
198 u32 next_hqos_cpu = 0;
199 u8 af_packet_port_id = 0;
200 u8 bond_ether_port_id = 0;
201 last_pci_addr.as_u32 = ~0;
203 dm->hqos_cpu_first_index = 0;
204 dm->hqos_cpu_count = 0;
206 /* find out which cpus will be used for I/O TX */
207 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
208 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
210 if (tr_hqos && tr_hqos->count > 0)
212 dm->hqos_cpu_first_index = tr_hqos->first_index;
213 dm->hqos_cpu_count = tr_hqos->count;
216 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
217 CLIB_CACHE_LINE_BYTES);
219 nports = rte_eth_dev_count ();
222 clib_warning ("DPDK drivers found no ports...");
226 clib_warning ("DPDK drivers found %d ports...", nports);
228 if (dm->conf->enable_tcp_udp_checksum)
229 dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
230 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
232 /* vlib_buffer_t template */
233 vec_validate_aligned (dm->buffer_templates, tm->n_vlib_mains - 1,
234 CLIB_CACHE_LINE_BYTES);
235 for (i = 0; i < tm->n_vlib_mains; i++)
237 vlib_buffer_free_list_t *fl;
238 vlib_buffer_t *bt = vec_elt_at_index (dm->buffer_templates, i);
239 fl = vlib_buffer_get_free_list (vm,
240 VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
241 vlib_buffer_init_for_free_list (bt, fl);
242 bt->flags = dm->buffer_flags_template;
243 vnet_buffer (bt)->sw_if_index[VLIB_TX] = (u32) ~ 0;
246 for (i = 0; i < nports; i++)
251 struct rte_eth_dev_info dev_info;
252 struct rte_eth_link l;
253 dpdk_device_config_t *devconf = 0;
254 vlib_pci_addr_t pci_addr;
257 rte_eth_dev_info_get (i, &dev_info);
258 if (dev_info.pci_dev) /* bonded interface has no pci info */
260 pci_addr.domain = dev_info.pci_dev->addr.domain;
261 pci_addr.bus = dev_info.pci_dev->addr.bus;
262 pci_addr.slot = dev_info.pci_dev->addr.devid;
263 pci_addr.function = dev_info.pci_dev->addr.function;
265 hash_get (dm->conf->device_config_index_by_pci_addr,
270 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
272 devconf = &dm->conf->default_devconf;
274 /* Create vnet interface */
275 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
276 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
277 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
278 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
280 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
281 if (dev_info.pci_dev)
283 struct rte_eth_dev_info di = { 0 };
284 rte_eth_dev_info_get (i + 1, &di);
285 if (di.pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
286 memcmp (&dev_info.pci_dev->addr, &di.pci_dev->addr,
287 sizeof (struct rte_pci_addr)) == 0)
289 xd->interface_name_suffix = format (0, "0");
290 last_pci_addr.as_u32 = pci_addr.as_u32;
291 last_pci_addr_port = i;
293 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
295 xd->interface_name_suffix =
296 format (0, "%u", i - last_pci_addr_port);
300 last_pci_addr.as_u32 = ~0;
304 last_pci_addr.as_u32 = ~0;
306 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
307 sizeof (struct rte_eth_txconf));
309 if (dm->conf->no_multi_seg)
311 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
312 port_conf_template.rxmode.jumbo_frame = 0;
313 port_conf_template.rxmode.enable_scatter = 0;
317 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
318 port_conf_template.rxmode.jumbo_frame = 1;
319 port_conf_template.rxmode.enable_scatter = 1;
320 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
323 clib_memcpy (&xd->port_conf, &port_conf_template,
324 sizeof (struct rte_eth_conf));
326 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
328 if (devconf->num_tx_queues > 0
329 && devconf->num_tx_queues < xd->tx_q_used)
330 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
332 if (devconf->num_rx_queues > 1
333 && dev_info.max_rx_queues >= devconf->num_rx_queues)
335 xd->rx_q_used = devconf->num_rx_queues;
336 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
337 if (devconf->rss_fn == 0)
338 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
339 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
341 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
346 xd->flags |= DPDK_DEVICE_FLAG_PMD;
348 /* workaround for drivers not setting driver_name */
349 if ((!dev_info.driver_name) && (dev_info.pci_dev))
350 dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
352 ASSERT (dev_info.driver_name);
358 #define _(s,f) else if (dev_info.driver_name && \
359 !strcmp(dev_info.driver_name, s)) \
360 xd->pmd = VNET_DPDK_PMD_##f;
366 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
368 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
369 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
370 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
374 /* Drivers with valid speed_capa set */
375 case VNET_DPDK_PMD_E1000EM:
376 case VNET_DPDK_PMD_IGB:
377 case VNET_DPDK_PMD_IXGBE:
378 case VNET_DPDK_PMD_I40E:
379 xd->port_type = port_type_from_speed_capa (&dev_info);
380 if (dm->conf->no_tx_checksum_offload == 0)
382 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOXSUMS;
384 DPDK_DEVICE_FLAG_TX_OFFLOAD |
385 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
390 case VNET_DPDK_PMD_CXGBE:
391 case VNET_DPDK_PMD_MLX4:
392 case VNET_DPDK_PMD_MLX5:
393 xd->port_type = port_type_from_speed_capa (&dev_info);
397 case VNET_DPDK_PMD_IGBVF:
398 case VNET_DPDK_PMD_IXGBEVF:
399 case VNET_DPDK_PMD_I40EVF:
400 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
401 xd->port_conf.rxmode.hw_strip_crc = 1;
404 case VNET_DPDK_PMD_THUNDERX:
405 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
406 xd->port_conf.rxmode.hw_strip_crc = 1;
409 case VNET_DPDK_PMD_ENA:
410 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
413 case VNET_DPDK_PMD_DPAA2:
414 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
418 case VNET_DPDK_PMD_ENIC:
419 rte_eth_link_get_nowait (i, &l);
420 if (l.link_speed == 40000)
421 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
423 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
426 /* Intel Red Rock Canyon */
427 case VNET_DPDK_PMD_FM10K:
428 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
429 xd->port_conf.rxmode.hw_strip_crc = 1;
433 case VNET_DPDK_PMD_VIRTIO:
434 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
435 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
436 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
440 case VNET_DPDK_PMD_VMXNET3:
441 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
442 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
445 case VNET_DPDK_PMD_AF_PACKET:
446 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
447 xd->port_id = af_packet_port_id++;
450 case VNET_DPDK_PMD_BOND:
451 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
452 xd->port_id = bond_ether_port_id++;
455 case VNET_DPDK_PMD_VIRTIO_USER:
456 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
460 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
463 if (devconf->num_rx_desc)
464 xd->nb_rx_desc = devconf->num_rx_desc;
466 if (devconf->num_tx_desc)
467 xd->nb_tx_desc = devconf->num_tx_desc;
470 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
472 f64 now = vlib_time_now (vm);
474 rnd = (u32) (now * 1e6);
475 rnd = random_u32 (&rnd);
476 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
481 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
483 if (xd->tx_q_used < tm->n_vlib_mains)
484 dpdk_device_lock_init (xd);
486 xd->device_index = xd - dm->devices;
487 ASSERT (i == xd->device_index);
488 xd->per_interface_next_index = ~0;
490 /* assign interface to input thread */
493 if (devconf->hqos_enabled)
495 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
498 if (devconf->hqos.hqos_thread_valid)
500 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
501 return clib_error_return (0, "invalid HQoS thread index");
503 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
507 if (dm->hqos_cpu_count == 0)
508 return clib_error_return (0, "no HQoS threads available");
510 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
513 if (next_hqos_cpu == dm->hqos_cpu_count)
516 devconf->hqos.hqos_thread_valid = 1;
517 devconf->hqos.hqos_thread = cpu;
520 dpdk_device_and_queue_t *dq;
521 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
522 dq->device = xd->device_index;
526 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
527 CLIB_CACHE_LINE_BYTES);
528 for (j = 0; j < tm->n_vlib_mains; j++)
530 vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
531 sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
532 vec_reset_length (xd->tx_vectors[j]);
535 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
536 CLIB_CACHE_LINE_BYTES);
537 for (j = 0; j < xd->rx_q_used; j++)
539 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
540 CLIB_CACHE_LINE_BYTES);
541 vec_reset_length (xd->rx_vectors[j]);
544 /* count the number of descriptors used for this device */
545 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
547 error = ethernet_register_interface
548 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
549 /* ethernet address */ addr,
550 &xd->hw_if_index, dpdk_flag_change);
555 * Ensure default mtu is not > the mtu read from the hardware.
556 * Otherwise rte_eth_dev_configure() will fail and the port will
558 * Calculate max_frame_size and mtu supported by NIC
560 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
563 * This device does not support the platforms's max frame
564 * size. Use it's advertised mru instead.
566 max_rx_frame = dev_info.max_rx_pktlen;
567 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
571 /* VPP treats MTU and max_rx_pktlen both equal to
572 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
573 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
575 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
576 sizeof (ethernet_header_t)))
578 mtu = ETHERNET_MAX_PACKET_BYTES;
579 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
582 * Some platforms do not account for Ethernet FCS (4 bytes) in
583 * MTU calculations. To interop with them increase mru but only
584 * if the device's settings can support it.
586 if (xd->port_conf.rxmode.hw_strip_crc &&
587 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
588 sizeof (ethernet_header_t) +
596 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
597 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
599 if (xd->port_conf.rxmode.hw_strip_crc &&
600 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
606 /*Set port rxmode config */
607 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
609 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
610 xd->vlib_sw_if_index = sw->sw_if_index;
611 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
612 dpdk_input_node.index);
614 if (devconf->workers)
619 clib_bitmap_foreach (i, devconf->workers, ({
620 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
621 vdm->first_worker_thread_index + i);
626 for (q = 0; q < xd->rx_q_used; q++)
628 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
632 /*Get vnet hardware interface */
633 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
635 /*Override default max_packet_bytes and max_supported_bytes set in
636 * ethernet_register_interface() above*/
639 hi->max_packet_bytes = max_rx_frame;
640 hi->max_supported_packet_bytes = max_rx_frame;
643 if (dm->conf->no_tx_checksum_offload == 0)
644 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD)
645 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
647 dpdk_device_setup (xd);
649 if (vec_len (xd->errors))
650 clib_warning ("setup failed for device %U. Errors:\n %U",
651 format_dpdk_device_name, i,
652 format_dpdk_device_errors, xd);
654 if (devconf->hqos_enabled)
657 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
663 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
664 * specified otherwise in the startup config.
665 * For other NICs default to VLAN strip disabled, unless specified
666 * otherwis in the startup config.
668 if (xd->pmd == VNET_DPDK_PMD_ENIC)
670 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
671 vlan_strip = 1; /* remove vlan tag from VIC port by default */
673 clib_warning ("VLAN strip disabled for interface\n");
675 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
681 vlan_off = rte_eth_dev_get_vlan_offload (xd->device_index);
682 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
683 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
684 if (rte_eth_dev_set_vlan_offload (xd->device_index, vlan_off) == 0)
685 clib_warning ("VLAN strip enabled for interface\n");
687 clib_warning ("VLAN strip cannot be supported by interface\n");
690 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
691 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
693 rte_eth_dev_set_mtu (xd->device_index, mtu);
696 if (nb_desc > dm->conf->num_mbufs)
697 clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
698 dm->conf->num_mbufs, nb_desc);
704 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
708 int num_whitelisted = vec_len (conf->dev_confs);
709 vlib_pci_device_info_t *d = 0;
710 vlib_pci_addr_t *addr = 0, *addrs;
712 addrs = vlib_pci_get_all_dev_addrs ();
714 vec_foreach (addr, addrs)
716 dpdk_device_config_t * devconf = 0;
717 vec_reset_length (pci_addr);
718 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
721 vlib_pci_free_device_info (d);
724 d = vlib_pci_get_device_info (addr, &error);
727 clib_error_report (error);
731 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
736 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
741 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
745 if (d->vendor_id == 0x1af4 &&
746 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
747 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
750 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
752 /* all Intel network devices */
753 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
755 /* all Intel QAT devices VFs */
756 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
757 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
760 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
763 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
765 /* Amazen Elastic Network Adapter */
766 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
769 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
775 clib_warning ("Unsupported PCI device 0x%04x:0x%04x found "
776 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
781 error = vlib_pci_bind_to_uio (addr, (char *) conf->uio_driver_name);
787 pool_get (conf->dev_confs, devconf);
788 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
789 devconf - conf->dev_confs);
790 devconf->pci_addr.as_u32 = addr->as_u32;
792 devconf->is_blacklisted = 1;
793 clib_error_report (error);
798 vlib_pci_free_device_info (d);
801 static clib_error_t *
802 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
803 unformat_input_t * input, u8 is_default)
805 clib_error_t *error = 0;
807 dpdk_device_config_t *devconf;
808 unformat_input_t sub_input;
812 devconf = &conf->default_devconf;
816 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
820 pool_get (conf->dev_confs, devconf);
821 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
822 devconf - conf->dev_confs);
825 return clib_error_return (0,
826 "duplicate configuration for PCI address %U",
827 format_vlib_pci_addr, &pci_addr);
830 devconf->pci_addr.as_u32 = pci_addr.as_u32;
831 devconf->hqos_enabled = 0;
832 dpdk_device_config_hqos_default (&devconf->hqos);
837 unformat_skip_white_space (input);
838 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
840 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
842 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
844 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
846 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
848 else if (unformat (input, "workers %U", unformat_bitmap_list,
853 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
855 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
859 else if (unformat (input, "vlan-strip-offload off"))
860 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
861 else if (unformat (input, "vlan-strip-offload on"))
862 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
865 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
867 devconf->hqos_enabled = 1;
868 error = unformat_hqos (&sub_input, &devconf->hqos);
872 else if (unformat (input, "hqos"))
874 devconf->hqos_enabled = 1;
878 error = clib_error_return (0, "unknown input `%U'",
879 format_unformat_error, input);
887 if (devconf->workers && devconf->num_rx_queues == 0)
888 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
889 else if (devconf->workers &&
890 clib_bitmap_count_set_bits (devconf->workers) !=
891 devconf->num_rx_queues)
893 clib_error_return (0,
894 "%U: number of worker threadds must be "
895 "equal to number of rx queues", format_vlib_pci_addr,
901 static clib_error_t *
902 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
904 clib_error_t *error = 0;
905 dpdk_main_t *dm = &dpdk_main;
906 dpdk_config_main_t *conf = &dpdk_config_main;
907 vlib_thread_main_t *tm = vlib_get_thread_main ();
908 dpdk_device_config_t *devconf;
909 vlib_pci_addr_t pci_addr;
910 unformat_input_t sub_input;
913 u8 *rte_cmd = 0, *ethname = 0;
916 int num_whitelisted = 0;
922 u8 *huge_dir_path = 0;
925 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
927 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
928 log_level = RTE_LOG_NOTICE;
930 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
933 if (unformat (input, "no-hugetlb"))
935 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
939 else if (unformat (input, "enable-tcp-udp-checksum"))
940 conf->enable_tcp_udp_checksum = 1;
942 else if (unformat (input, "no-tx-checksum-offload"))
943 conf->no_tx_checksum_offload = 1;
945 else if (unformat (input, "decimal-interface-names"))
946 conf->interface_name_format_decimal = 1;
948 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
951 else if (unformat (input, "no-multi-seg"))
952 conf->no_multi_seg = 1;
954 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
958 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
966 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
967 unformat_vlib_cli_sub_input, &sub_input))
969 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
976 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
978 error = dpdk_device_config (conf, pci_addr, 0, 0);
985 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
987 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
989 else if (unformat (input, "socket-mem %s", &socket_mem))
991 else if (unformat (input, "no-pci"))
994 tmp = format (0, "--no-pci%c", 0);
995 vec_add1 (conf->eal_init_args, tmp);
997 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep_usec))
1001 else if (unformat(input, #a)) \
1003 tmp = format (0, "--%s%c", #a, 0); \
1004 vec_add1 (conf->eal_init_args, tmp); \
1006 foreach_eal_double_hyphen_predicate_arg
1009 else if (unformat(input, #a " %s", &s)) \
1011 if (!strncmp(#a, "huge-dir", 8)) \
1013 else if (!strncmp(#a, "file-prefix", 11)) \
1015 tmp = format (0, "--%s%c", #a, 0); \
1016 vec_add1 (conf->eal_init_args, tmp); \
1018 if (!strncmp(#a, "vdev", 4)) \
1019 if (strstr((char*)s, "af_packet")) \
1020 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1021 vec_add1 (conf->eal_init_args, s); \
1023 foreach_eal_double_hyphen_arg
1026 else if (unformat(input, #a " %s", &s)) \
1028 tmp = format (0, "-%s%c", #b, 0); \
1029 vec_add1 (conf->eal_init_args, tmp); \
1031 vec_add1 (conf->eal_init_args, s); \
1033 foreach_eal_single_hyphen_arg
1036 else if (unformat(input, #a " %s", &s)) \
1038 tmp = format (0, "-%s%c", #b, 0); \
1039 vec_add1 (conf->eal_init_args, tmp); \
1041 vec_add1 (conf->eal_init_args, s); \
1042 conf->a##_set_manually = 1; \
1044 foreach_eal_single_hyphen_mandatory_arg
1046 else if (unformat (input, "default"))
1049 else if (unformat_skip_white_space (input))
1053 error = clib_error_return (0, "unknown input `%U'",
1054 format_unformat_error, input);
1059 if (!conf->uio_driver_name)
1060 conf->uio_driver_name = format (0, "auto%c", 0);
1063 * Use 1G huge pages if available.
1065 if (!no_huge && !huge_dir)
1067 u32 x, *mem_by_socket = 0;
1071 umount ((char *) huge_dir_path);
1073 /* Process "socket-mem" parameter value */
1074 if (vec_len (socket_mem))
1076 unformat_input_t in;
1077 unformat_init_vector (&in, socket_mem);
1078 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1080 if (unformat (&in, "%u,", &x))
1082 else if (unformat (&in, "%u", &x))
1084 else if (unformat (&in, ","))
1089 vec_add1 (mem_by_socket, x);
1091 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1092 unformat_free (&in);
1098 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1100 vec_validate(mem_by_socket, c);
1101 mem_by_socket[c] = 64; /* default per-socket mem */
1108 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1112 vec_validate(mem_by_socket, c);
1114 e = clib_sysfs_prealloc_hugepages(c, 2 << 10, mem_by_socket[c] / 2);
1116 clib_error_report (e);
1120 if (mem_by_socket == 0)
1122 error = clib_error_return (0, "mem_by_socket NULL");
1125 _vec_len (mem_by_socket) = c + 1;
1127 /* regenerate socket_mem string */
1128 vec_foreach_index (x, mem_by_socket)
1129 socket_mem = format (socket_mem, "%s%u",
1130 socket_mem ? "," : "", mem_by_socket[x]);
1131 socket_mem = format (socket_mem, "%c", 0);
1133 vec_free (mem_by_socket);
1135 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1141 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1145 error = clib_error_return (0, "mount failed %d", errno);
1149 tmp = format (0, "--huge-dir%c", 0);
1150 vec_add1 (conf->eal_init_args, tmp);
1151 tmp = format (0, "%s%c", huge_dir_path, 0);
1152 vec_add1 (conf->eal_init_args, tmp);
1155 tmp = format (0, "--file-prefix%c", 0);
1156 vec_add1 (conf->eal_init_args, tmp);
1157 tmp = format (0, "vpp%c", 0);
1158 vec_add1 (conf->eal_init_args, tmp);
1168 /* I'll bet that -c and -n must be the first and second args... */
1169 if (!conf->coremask_set_manually)
1171 vlib_thread_registration_t *tr;
1172 uword *coremask = 0;
1175 /* main thread core */
1176 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1178 for (i = 0; i < vec_len (tm->registrations); i++)
1180 tr = tm->registrations[i];
1181 coremask = clib_bitmap_or (coremask, tr->coremask);
1184 vec_insert (conf->eal_init_args, 2, 1);
1185 conf->eal_init_args[1] = (u8 *) "-c";
1186 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1187 conf->eal_init_args[2] = tmp;
1188 clib_bitmap_free (coremask);
1191 if (!conf->nchannels_set_manually)
1193 vec_insert (conf->eal_init_args, 2, 3);
1194 conf->eal_init_args[3] = (u8 *) "-n";
1195 tmp = format (0, "%d", conf->nchannels);
1196 conf->eal_init_args[4] = tmp;
1199 if (no_pci == 0 && geteuid () == 0)
1200 dpdk_bind_devices_to_uio (conf);
1203 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1204 devconf->x = conf->default_devconf.x ;
1207 pool_foreach (devconf, conf->dev_confs, ({
1209 /* default per-device config items */
1210 foreach_dpdk_device_config_item
1212 /* add DPDK EAL whitelist/blacklist entry */
1213 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1215 tmp = format (0, "-w%c", 0);
1216 vec_add1 (conf->eal_init_args, tmp);
1217 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1218 vec_add1 (conf->eal_init_args, tmp);
1220 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1222 tmp = format (0, "-b%c", 0);
1223 vec_add1 (conf->eal_init_args, tmp);
1224 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1225 vec_add1 (conf->eal_init_args, tmp);
1232 /* set master-lcore */
1233 tmp = format (0, "--master-lcore%c", 0);
1234 vec_add1 (conf->eal_init_args, tmp);
1235 tmp = format (0, "%u%c", tm->main_lcore, 0);
1236 vec_add1 (conf->eal_init_args, tmp);
1238 /* set socket-mem */
1239 tmp = format (0, "--socket-mem%c", 0);
1240 vec_add1 (conf->eal_init_args, tmp);
1241 tmp = format (0, "%s%c", socket_mem, 0);
1242 vec_add1 (conf->eal_init_args, tmp);
1244 /* NULL terminate the "argv" vector, in case of stupidity */
1245 vec_add1 (conf->eal_init_args, 0);
1246 _vec_len (conf->eal_init_args) -= 1;
1248 /* Set up DPDK eal and packet mbuf pool early. */
1250 rte_log_set_global_level (log_level);
1252 vm = vlib_get_main ();
1254 /* make copy of args as rte_eal_init tends to mess up with arg array */
1255 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1256 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1257 conf->eal_init_args[i]);
1259 clib_warning ("EAL init args: %s", conf->eal_init_args_str);
1261 rte_eal_init (vec_len (conf->eal_init_args),
1262 (char **) conf->eal_init_args);
1264 /* lazy umount hugepages */
1265 umount2 ((char *) huge_dir_path, MNT_DETACH);
1266 rmdir ((char *) huge_dir_path);
1267 vec_free (huge_dir_path);
1270 return clib_error_return (0, "rte_eal_init returned %d", ret);
1272 /* Dump the physical memory layout prior to creating the mbuf_pool */
1273 fprintf (stdout, "DPDK physical memory layout:\n");
1274 rte_dump_physmem_layout (stdout);
1276 /* set custom ring memory allocator */
1278 struct rte_mempool_ops *ops = NULL;
1280 ops = get_ops_by_name ("ring_sp_sc");
1281 ops->alloc = dpdk_ring_alloc;
1283 ops = get_ops_by_name ("ring_mp_sc");
1284 ops->alloc = dpdk_ring_alloc;
1286 ops = get_ops_by_name ("ring_sp_mc");
1287 ops->alloc = dpdk_ring_alloc;
1289 ops = get_ops_by_name ("ring_mp_mc");
1290 ops->alloc = dpdk_ring_alloc;
1293 /* main thread 1st */
1294 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1298 for (i = 0; i < RTE_MAX_LCORE; i++)
1300 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1301 rte_lcore_to_socket_id (i));
1310 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1313 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1315 vnet_main_t *vnm = vnet_get_main ();
1316 struct rte_eth_link prev_link = xd->link;
1318 u8 hw_flags_chg = 0;
1320 /* only update link state for PMD interfaces */
1321 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1324 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1325 memset (&xd->link, 0, sizeof (xd->link));
1326 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1328 if (LINK_STATE_ELOGS)
1330 vlib_main_t *vm = vlib_get_main ();
1331 ELOG_TYPE_DECLARE (e) =
1334 "update-link-state: sw_if_index %d, admin_up %d,"
1335 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1344 ed = ELOG_DATA (&vm->elog_main, e);
1345 ed->sw_if_index = xd->vlib_sw_if_index;
1346 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1347 ed->old_link_state = (u8)
1348 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1349 ed->new_link_state = (u8) xd->link.link_status;
1352 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1353 && ((xd->link.link_status != 0) ^
1354 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1357 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1360 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1363 switch (xd->link.link_duplex)
1365 case ETH_LINK_HALF_DUPLEX:
1366 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1368 case ETH_LINK_FULL_DUPLEX:
1369 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1375 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1378 switch (xd->link.link_speed)
1380 case ETH_SPEED_NUM_10M:
1381 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1383 case ETH_SPEED_NUM_100M:
1384 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1386 case ETH_SPEED_NUM_1G:
1387 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1389 case ETH_SPEED_NUM_10G:
1390 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1392 case ETH_SPEED_NUM_40G:
1393 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1398 clib_warning ("unknown link speed %d", xd->link.link_speed);
1404 if (LINK_STATE_ELOGS)
1406 vlib_main_t *vm = vlib_get_main ();
1408 ELOG_TYPE_DECLARE (e) =
1411 "update-link-state: sw_if_index %d, new flags %d",.format_args
1419 ed = ELOG_DATA (&vm->elog_main, e);
1420 ed->sw_if_index = xd->vlib_sw_if_index;
1421 ed->flags = hw_flags;
1423 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1428 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1430 clib_error_t *error;
1431 vnet_main_t *vnm = vnet_get_main ();
1432 dpdk_main_t *dm = &dpdk_main;
1433 ethernet_main_t *em = ðernet_main;
1435 vlib_thread_main_t *tm = vlib_get_thread_main ();
1438 error = dpdk_lib_init (dm);
1441 clib_error_report (error);
1443 tm->worker_thread_release = 1;
1445 f64 now = vlib_time_now (vm);
1446 vec_foreach (xd, dm->devices)
1448 dpdk_update_link_state (xd, now);
1453 * Extra set up for bond interfaces:
1454 * 1. Setup MACs for bond interfaces and their slave links which was set
1455 * in dpdk_device_setup() but needs to be done again here to take
1457 * 2. Set up info and register slave link state change callback handling.
1458 * 3. Set up info for bond interface related CLI support.
1460 int nports = rte_eth_dev_count ();
1463 for (i = 0; i < nports; i++)
1465 xd = &dm->devices[i];
1466 ASSERT (i == xd->device_index);
1467 if (xd->pmd == VNET_DPDK_PMD_BOND)
1470 dpdk_portid_t slink[16];
1471 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1474 vnet_hw_interface_t *bhi;
1475 ethernet_interface_t *bei;
1478 /* Get MAC of 1st slave link */
1480 (slink[0], (struct ether_addr *) addr);
1482 /* Set MAC of bounded interface to that of 1st slave link */
1483 clib_warning ("Set MAC for bond port %d BondEthernet%d",
1485 rv = rte_eth_bond_mac_address_set
1486 (i, (struct ether_addr *) addr);
1488 clib_warning ("Set MAC addr failure rv=%d", rv);
1490 /* Populate MAC of bonded interface in VPP hw tables */
1491 bhi = vnet_get_hw_interface
1492 (vnm, dm->devices[i].hw_if_index);
1493 bei = pool_elt_at_index
1494 (em->interfaces, bhi->hw_instance);
1495 clib_memcpy (bhi->hw_address, addr, 6);
1496 clib_memcpy (bei->address, addr, 6);
1498 /* Init l3 packet size allowed on bonded interface */
1499 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1500 bhi->max_l3_packet_bytes[VLIB_RX] =
1501 bhi->max_l3_packet_bytes[VLIB_TX] =
1502 ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
1504 { /* for all slave links */
1505 int slave = slink[--nlink];
1506 dpdk_device_t *sdev = &dm->devices[slave];
1507 vnet_hw_interface_t *shi;
1508 vnet_sw_interface_t *ssi;
1509 ethernet_interface_t *sei;
1510 /* Add MAC to all slave links except the first one */
1513 clib_warning ("Add MAC for slave port %d", slave);
1514 rv = rte_eth_dev_mac_addr_add
1515 (slave, (struct ether_addr *) addr, 0);
1517 clib_warning ("Add MAC addr failure rv=%d", rv);
1519 /* Setup slave link state change callback handling */
1520 rte_eth_dev_callback_register
1521 (slave, RTE_ETH_EVENT_INTR_LSC,
1522 dpdk_port_state_callback, NULL);
1523 dpdk_device_t *sxd = &dm->devices[slave];
1524 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1526 /* Set slaves bitmap for bonded interface */
1527 bhi->bond_info = clib_bitmap_set
1528 (bhi->bond_info, sdev->hw_if_index, 1);
1529 /* Set MACs and slave link flags on slave interface */
1530 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1531 ssi = vnet_get_sw_interface
1532 (vnm, sdev->vlib_sw_if_index);
1533 sei = pool_elt_at_index
1534 (em->interfaces, shi->hw_instance);
1535 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1536 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1537 clib_memcpy (shi->hw_address, addr, 6);
1538 clib_memcpy (sei->address, addr, 6);
1539 /* Set l3 packet size allowed as the lowest of slave */
1540 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1541 shi->max_l3_packet_bytes[VLIB_RX])
1542 bhi->max_l3_packet_bytes[VLIB_RX] =
1543 bhi->max_l3_packet_bytes[VLIB_TX] =
1544 shi->max_l3_packet_bytes[VLIB_RX];
1545 /* Set max packet size allowed as the lowest of slave */
1546 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1547 bhi->max_packet_bytes = shi->max_packet_bytes;
1558 * check each time through the loop in case intervals are changed
1560 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1561 dm->link_state_poll_interval : dm->stat_poll_interval;
1563 vlib_process_wait_for_event_or_clock (vm, min_wait);
1565 if (dm->admin_up_down_in_progress)
1566 /* skip the poll if an admin up down is in progress (on any interface) */
1569 vec_foreach (xd, dm->devices)
1571 f64 now = vlib_time_now (vm);
1572 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1573 dpdk_update_counters (xd, now);
1574 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1575 dpdk_update_link_state (xd, now);
1584 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1585 .function = dpdk_process,
1586 .type = VLIB_NODE_TYPE_PROCESS,
1587 .name = "dpdk-process",
1588 .process_log2_n_stack_bytes = 17,
1592 static clib_error_t *
1593 dpdk_init (vlib_main_t * vm)
1595 dpdk_main_t *dm = &dpdk_main;
1596 clib_error_t *error = 0;
1597 vlib_thread_main_t *tm = vlib_get_thread_main ();
1599 /* verify that structs are cacheline aligned */
1600 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1601 "Cache line marker must be 1st element in dpdk_device_t");
1602 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1603 CLIB_CACHE_LINE_BYTES,
1604 "Data in cache line 0 is bigger than cache line size");
1605 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1606 "Cache line marker must be 1st element in frame_queue_trace_t");
1609 dm->vnet_main = vnet_get_main ();
1610 dm->conf = &dpdk_config_main;
1612 dm->conf->nchannels = 4;
1613 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1614 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1616 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1618 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1619 dm->buffer_flags_template =
1620 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1621 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1622 VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
1624 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1625 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1628 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1634 VLIB_INIT_FUNCTION (dpdk_init);
1638 * fd.io coding-style-patch-verification: ON
1641 * eval: (c-set-style "gnu")