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_56G)
66 return VNET_DPDK_PORT_TYPE_ETH_56G;
67 else if (dev_info->speed_capa & ETH_LINK_SPEED_50G)
68 return VNET_DPDK_PORT_TYPE_ETH_50G;
69 else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
70 return VNET_DPDK_PORT_TYPE_ETH_40G;
71 else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
72 return VNET_DPDK_PORT_TYPE_ETH_25G;
73 else if (dev_info->speed_capa & ETH_LINK_SPEED_20G)
74 return VNET_DPDK_PORT_TYPE_ETH_20G;
75 else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
76 return VNET_DPDK_PORT_TYPE_ETH_10G;
77 else if (dev_info->speed_capa & ETH_LINK_SPEED_5G)
78 return VNET_DPDK_PORT_TYPE_ETH_5G;
79 else if (dev_info->speed_capa & ETH_LINK_SPEED_2_5G)
80 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
81 else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
82 return VNET_DPDK_PORT_TYPE_ETH_1G;
84 return VNET_DPDK_PORT_TYPE_UNKNOWN;
89 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
91 dpdk_main_t *dm = &dpdk_main;
92 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
95 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
97 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
99 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
100 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
102 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
104 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
106 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
107 rte_eth_promiscuous_enable (xd->device_index);
109 rte_eth_promiscuous_disable (xd->device_index);
112 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
114 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
115 dpdk_device_setup (xd);
121 dpdk_device_lock_init (dpdk_device_t * xd)
124 vec_validate (xd->lockp, xd->tx_q_used - 1);
125 for (q = 0; q < xd->tx_q_used; q++)
127 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
128 CLIB_CACHE_LINE_BYTES);
129 memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
133 static struct rte_mempool_ops *
134 get_ops_by_name (i8 * ops_name)
138 for (i = 0; i < rte_mempool_ops_table.num_ops; i++)
140 if (!strcmp (ops_name, rte_mempool_ops_table.ops[i].name))
141 return &rte_mempool_ops_table.ops[i];
148 dpdk_ring_alloc (struct rte_mempool *mp)
150 u32 rg_flags = 0, count;
152 i8 rg_name[RTE_RING_NAMESIZE];
155 ret = snprintf (rg_name, sizeof (rg_name), RTE_MEMPOOL_MZ_FORMAT, mp->name);
156 if (ret < 0 || ret >= (i32) sizeof (rg_name))
157 return -ENAMETOOLONG;
160 if (mp->flags & MEMPOOL_F_SP_PUT)
161 rg_flags |= RING_F_SP_ENQ;
162 if (mp->flags & MEMPOOL_F_SC_GET)
163 rg_flags |= RING_F_SC_DEQ;
165 count = rte_align32pow2 (mp->size + 1);
167 * Allocate the ring that will be used to store objects.
168 * Ring functions will return appropriate errors if we are
169 * running as a secondary process etc., so no checks made
170 * in this function for that condition.
172 /* XXX can we get memory from the right socket? */
173 r = clib_mem_alloc_aligned (rte_ring_get_memsize (count),
174 CLIB_CACHE_LINE_BYTES);
176 /* XXX rte_ring_lookup will not work */
178 ret = rte_ring_init (r, rg_name, count, rg_flags);
187 static clib_error_t *
188 dpdk_lib_init (dpdk_main_t * dm)
191 u32 mtu, max_rx_frame;
195 vlib_main_t *vm = vlib_get_main ();
196 vlib_thread_main_t *tm = vlib_get_thread_main ();
197 vnet_device_main_t *vdm = &vnet_device_main;
198 vnet_sw_interface_t *sw;
199 vnet_hw_interface_t *hi;
201 vlib_pci_addr_t last_pci_addr;
202 u32 last_pci_addr_port = 0;
203 vlib_thread_registration_t *tr_hqos;
206 u32 next_hqos_cpu = 0;
207 u8 af_packet_port_id = 0;
208 u8 bond_ether_port_id = 0;
209 last_pci_addr.as_u32 = ~0;
211 dm->hqos_cpu_first_index = 0;
212 dm->hqos_cpu_count = 0;
214 /* find out which cpus will be used for I/O TX */
215 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
216 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
218 if (tr_hqos && tr_hqos->count > 0)
220 dm->hqos_cpu_first_index = tr_hqos->first_index;
221 dm->hqos_cpu_count = tr_hqos->count;
224 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
225 CLIB_CACHE_LINE_BYTES);
227 nports = rte_eth_dev_count ();
230 clib_warning ("DPDK drivers found no ports...");
234 clib_warning ("DPDK drivers found %d ports...", nports);
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_multi_seg)
319 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
320 port_conf_template.rxmode.jumbo_frame = 0;
321 port_conf_template.rxmode.enable_scatter = 0;
325 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
326 port_conf_template.rxmode.jumbo_frame = 1;
327 port_conf_template.rxmode.enable_scatter = 1;
328 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
331 clib_memcpy (&xd->port_conf, &port_conf_template,
332 sizeof (struct rte_eth_conf));
334 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
336 if (devconf->num_tx_queues > 0
337 && devconf->num_tx_queues < xd->tx_q_used)
338 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
340 if (devconf->num_rx_queues > 1
341 && dev_info.max_rx_queues >= devconf->num_rx_queues)
343 xd->rx_q_used = devconf->num_rx_queues;
344 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
345 if (devconf->rss_fn == 0)
346 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
347 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
349 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
354 xd->flags |= DPDK_DEVICE_FLAG_PMD;
356 /* workaround for drivers not setting driver_name */
357 if ((!dev_info.driver_name) && (dev_info.pci_dev))
358 dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
360 ASSERT (dev_info.driver_name);
366 #define _(s,f) else if (dev_info.driver_name && \
367 !strcmp(dev_info.driver_name, s)) \
368 xd->pmd = VNET_DPDK_PMD_##f;
374 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
376 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
377 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
378 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
382 /* Drivers with valid speed_capa set */
383 case VNET_DPDK_PMD_E1000EM:
384 case VNET_DPDK_PMD_IGB:
385 case VNET_DPDK_PMD_IXGBE:
386 case VNET_DPDK_PMD_I40E:
387 xd->port_type = port_type_from_speed_capa (&dev_info);
388 if (dm->conf->no_tx_checksum_offload == 0)
390 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOXSUMS;
392 DPDK_DEVICE_FLAG_TX_OFFLOAD |
393 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
398 case VNET_DPDK_PMD_CXGBE:
399 case VNET_DPDK_PMD_MLX4:
400 case VNET_DPDK_PMD_MLX5:
401 xd->port_type = port_type_from_speed_capa (&dev_info);
405 case VNET_DPDK_PMD_IGBVF:
406 case VNET_DPDK_PMD_IXGBEVF:
407 case VNET_DPDK_PMD_I40EVF:
408 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
409 xd->port_conf.rxmode.hw_strip_crc = 1;
412 case VNET_DPDK_PMD_THUNDERX:
413 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
414 xd->port_conf.rxmode.hw_strip_crc = 1;
417 case VNET_DPDK_PMD_ENA:
418 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
419 xd->port_conf.rxmode.enable_scatter = 0;
422 case VNET_DPDK_PMD_DPAA2:
423 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
427 case VNET_DPDK_PMD_ENIC:
428 rte_eth_link_get_nowait (i, &l);
429 if (l.link_speed == 40000)
430 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
432 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
435 /* Intel Red Rock Canyon */
436 case VNET_DPDK_PMD_FM10K:
437 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
438 xd->port_conf.rxmode.hw_strip_crc = 1;
442 case VNET_DPDK_PMD_VIRTIO:
443 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
444 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
445 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
449 case VNET_DPDK_PMD_VMXNET3:
450 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
451 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
454 case VNET_DPDK_PMD_AF_PACKET:
455 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
456 xd->port_id = af_packet_port_id++;
459 case VNET_DPDK_PMD_BOND:
460 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
461 xd->port_id = bond_ether_port_id++;
464 case VNET_DPDK_PMD_VIRTIO_USER:
465 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
469 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
472 if (devconf->num_rx_desc)
473 xd->nb_rx_desc = devconf->num_rx_desc;
475 if (devconf->num_tx_desc)
476 xd->nb_tx_desc = devconf->num_tx_desc;
479 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
481 f64 now = vlib_time_now (vm);
483 rnd = (u32) (now * 1e6);
484 rnd = random_u32 (&rnd);
485 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
490 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
492 if (xd->tx_q_used < tm->n_vlib_mains)
493 dpdk_device_lock_init (xd);
495 xd->device_index = xd - dm->devices;
496 ASSERT (i == xd->device_index);
497 xd->per_interface_next_index = ~0;
499 /* assign interface to input thread */
502 if (devconf->hqos_enabled)
504 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
507 if (devconf->hqos.hqos_thread_valid)
509 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
510 return clib_error_return (0, "invalid HQoS thread index");
512 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
516 if (dm->hqos_cpu_count == 0)
517 return clib_error_return (0, "no HQoS threads available");
519 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
522 if (next_hqos_cpu == dm->hqos_cpu_count)
525 devconf->hqos.hqos_thread_valid = 1;
526 devconf->hqos.hqos_thread = cpu;
529 dpdk_device_and_queue_t *dq;
530 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
531 dq->device = xd->device_index;
535 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
536 CLIB_CACHE_LINE_BYTES);
537 for (j = 0; j < tm->n_vlib_mains; j++)
539 vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
540 sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
541 vec_reset_length (xd->tx_vectors[j]);
544 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
545 CLIB_CACHE_LINE_BYTES);
546 for (j = 0; j < xd->rx_q_used; j++)
548 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
549 CLIB_CACHE_LINE_BYTES);
550 vec_reset_length (xd->rx_vectors[j]);
553 /* count the number of descriptors used for this device */
554 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
556 error = ethernet_register_interface
557 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
558 /* ethernet address */ addr,
559 &xd->hw_if_index, dpdk_flag_change);
564 * Ensure default mtu is not > the mtu read from the hardware.
565 * Otherwise rte_eth_dev_configure() will fail and the port will
567 * Calculate max_frame_size and mtu supported by NIC
569 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
572 * This device does not support the platforms's max frame
573 * size. Use it's advertised mru instead.
575 max_rx_frame = dev_info.max_rx_pktlen;
576 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
580 /* VPP treats MTU and max_rx_pktlen both equal to
581 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
582 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
584 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
585 sizeof (ethernet_header_t)))
587 mtu = ETHERNET_MAX_PACKET_BYTES;
588 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
591 * Some platforms do not account for Ethernet FCS (4 bytes) in
592 * MTU calculations. To interop with them increase mru but only
593 * if the device's settings can support it.
595 if (xd->port_conf.rxmode.hw_strip_crc &&
596 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
597 sizeof (ethernet_header_t) +
605 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
606 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
608 if (xd->port_conf.rxmode.hw_strip_crc &&
609 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
615 /*Set port rxmode config */
616 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
618 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
619 xd->vlib_sw_if_index = sw->sw_if_index;
620 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
621 dpdk_input_node.index);
623 if (devconf->workers)
628 clib_bitmap_foreach (i, devconf->workers, ({
629 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
630 vdm->first_worker_thread_index + i);
635 for (q = 0; q < xd->rx_q_used; q++)
637 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
641 /*Get vnet hardware interface */
642 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
644 /*Override default max_packet_bytes and max_supported_bytes set in
645 * ethernet_register_interface() above*/
648 hi->max_packet_bytes = max_rx_frame;
649 hi->max_supported_packet_bytes = max_rx_frame;
652 if (dm->conf->no_tx_checksum_offload == 0)
653 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD)
654 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
656 dpdk_device_setup (xd);
658 if (vec_len (xd->errors))
659 clib_warning ("setup failed for device %U. Errors:\n %U",
660 format_dpdk_device_name, i,
661 format_dpdk_device_errors, xd);
663 if (devconf->hqos_enabled)
666 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
672 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
673 * specified otherwise in the startup config.
674 * For other NICs default to VLAN strip disabled, unless specified
675 * otherwis in the startup config.
677 if (xd->pmd == VNET_DPDK_PMD_ENIC)
679 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
680 vlan_strip = 1; /* remove vlan tag from VIC port by default */
682 clib_warning ("VLAN strip disabled for interface\n");
684 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
690 vlan_off = rte_eth_dev_get_vlan_offload (xd->device_index);
691 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
692 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
693 if (rte_eth_dev_set_vlan_offload (xd->device_index, vlan_off) == 0)
694 clib_warning ("VLAN strip enabled for interface\n");
696 clib_warning ("VLAN strip cannot be supported by interface\n");
699 vnet_sw_interface_set_mtu (dm->vnet_main, sw->sw_if_index,
700 xd->port_conf.rxmode.max_rx_pkt_len -
701 sizeof (ethernet_header_t));
702 rte_eth_dev_set_mtu (xd->device_index, mtu);
705 if (nb_desc > dm->conf->num_mbufs)
706 clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
707 dm->conf->num_mbufs, nb_desc);
713 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
717 int num_whitelisted = vec_len (conf->dev_confs);
718 vlib_pci_device_info_t *d = 0;
719 vlib_pci_addr_t *addr = 0, *addrs;
721 addrs = vlib_pci_get_all_dev_addrs ();
723 vec_foreach (addr, addrs)
725 dpdk_device_config_t * devconf = 0;
726 vec_reset_length (pci_addr);
727 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
730 vlib_pci_free_device_info (d);
733 d = vlib_pci_get_device_info (addr, &error);
736 clib_error_report (error);
740 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
745 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
750 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
754 if (d->vendor_id == 0x1af4 &&
755 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
756 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
759 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
761 /* all Intel network devices */
762 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
764 /* all Intel QAT devices VFs */
765 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
766 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
769 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
772 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
774 /* Amazen Elastic Network Adapter */
775 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
778 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
784 clib_warning ("Unsupported PCI device 0x%04x:0x%04x found "
785 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
790 error = vlib_pci_bind_to_uio (addr, (char *) conf->uio_driver_name);
796 pool_get (conf->dev_confs, devconf);
797 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
798 devconf - conf->dev_confs);
799 devconf->pci_addr.as_u32 = addr->as_u32;
801 devconf->is_blacklisted = 1;
802 clib_error_report (error);
807 vlib_pci_free_device_info (d);
810 static clib_error_t *
811 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
812 unformat_input_t * input, u8 is_default)
814 clib_error_t *error = 0;
816 dpdk_device_config_t *devconf;
817 unformat_input_t sub_input;
821 devconf = &conf->default_devconf;
825 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
829 pool_get (conf->dev_confs, devconf);
830 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
831 devconf - conf->dev_confs);
834 return clib_error_return (0,
835 "duplicate configuration for PCI address %U",
836 format_vlib_pci_addr, &pci_addr);
839 devconf->pci_addr.as_u32 = pci_addr.as_u32;
840 devconf->hqos_enabled = 0;
841 dpdk_device_config_hqos_default (&devconf->hqos);
846 unformat_skip_white_space (input);
847 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
849 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
851 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
853 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
855 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
857 else if (unformat (input, "workers %U", unformat_bitmap_list,
862 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
864 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
868 else if (unformat (input, "vlan-strip-offload off"))
869 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
870 else if (unformat (input, "vlan-strip-offload on"))
871 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
874 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
876 devconf->hqos_enabled = 1;
877 error = unformat_hqos (&sub_input, &devconf->hqos);
881 else if (unformat (input, "hqos"))
883 devconf->hqos_enabled = 1;
887 error = clib_error_return (0, "unknown input `%U'",
888 format_unformat_error, input);
896 if (devconf->workers && devconf->num_rx_queues == 0)
897 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
898 else if (devconf->workers &&
899 clib_bitmap_count_set_bits (devconf->workers) !=
900 devconf->num_rx_queues)
902 clib_error_return (0,
903 "%U: number of worker threadds must be "
904 "equal to number of rx queues", format_vlib_pci_addr,
910 static clib_error_t *
911 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
913 clib_error_t *error = 0;
914 dpdk_main_t *dm = &dpdk_main;
915 dpdk_config_main_t *conf = &dpdk_config_main;
916 vlib_thread_main_t *tm = vlib_get_thread_main ();
917 dpdk_device_config_t *devconf;
918 vlib_pci_addr_t pci_addr;
919 unformat_input_t sub_input;
922 u8 *rte_cmd = 0, *ethname = 0;
925 int num_whitelisted = 0;
931 u8 *huge_dir_path = 0;
934 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
936 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
937 log_level = RTE_LOG_NOTICE;
939 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
942 if (unformat (input, "no-hugetlb"))
944 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
948 else if (unformat (input, "enable-tcp-udp-checksum"))
949 conf->enable_tcp_udp_checksum = 1;
951 else if (unformat (input, "no-tx-checksum-offload"))
952 conf->no_tx_checksum_offload = 1;
954 else if (unformat (input, "decimal-interface-names"))
955 conf->interface_name_format_decimal = 1;
957 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
960 else if (unformat (input, "no-multi-seg"))
961 conf->no_multi_seg = 1;
963 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
967 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
975 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
976 unformat_vlib_cli_sub_input, &sub_input))
978 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
985 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
987 error = dpdk_device_config (conf, pci_addr, 0, 0);
994 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
996 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
998 else if (unformat (input, "socket-mem %s", &socket_mem))
1000 else if (unformat (input, "no-pci"))
1003 tmp = format (0, "--no-pci%c", 0);
1004 vec_add1 (conf->eal_init_args, tmp);
1006 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep_usec))
1010 else if (unformat(input, #a)) \
1012 tmp = format (0, "--%s%c", #a, 0); \
1013 vec_add1 (conf->eal_init_args, tmp); \
1015 foreach_eal_double_hyphen_predicate_arg
1018 else if (unformat(input, #a " %s", &s)) \
1020 if (!strncmp(#a, "huge-dir", 8)) \
1022 else if (!strncmp(#a, "file-prefix", 11)) \
1024 tmp = format (0, "--%s%c", #a, 0); \
1025 vec_add1 (conf->eal_init_args, tmp); \
1027 if (!strncmp(#a, "vdev", 4)) \
1028 if (strstr((char*)s, "af_packet")) \
1029 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1030 vec_add1 (conf->eal_init_args, s); \
1032 foreach_eal_double_hyphen_arg
1035 else if (unformat(input, #a " %s", &s)) \
1037 tmp = format (0, "-%s%c", #b, 0); \
1038 vec_add1 (conf->eal_init_args, tmp); \
1040 vec_add1 (conf->eal_init_args, s); \
1042 foreach_eal_single_hyphen_arg
1045 else if (unformat(input, #a " %s", &s)) \
1047 tmp = format (0, "-%s%c", #b, 0); \
1048 vec_add1 (conf->eal_init_args, tmp); \
1050 vec_add1 (conf->eal_init_args, s); \
1051 conf->a##_set_manually = 1; \
1053 foreach_eal_single_hyphen_mandatory_arg
1055 else if (unformat (input, "default"))
1058 else if (unformat_skip_white_space (input))
1062 error = clib_error_return (0, "unknown input `%U'",
1063 format_unformat_error, input);
1068 if (!conf->uio_driver_name)
1069 conf->uio_driver_name = format (0, "auto%c", 0);
1072 * Use 1G huge pages if available.
1074 if (!no_huge && !huge_dir)
1076 u32 x, *mem_by_socket = 0;
1080 umount ((char *) huge_dir_path);
1082 /* Process "socket-mem" parameter value */
1083 if (vec_len (socket_mem))
1085 unformat_input_t in;
1086 unformat_init_vector (&in, socket_mem);
1087 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1089 if (unformat (&in, "%u,", &x))
1091 else if (unformat (&in, "%u", &x))
1093 else if (unformat (&in, ","))
1098 vec_add1 (mem_by_socket, x);
1100 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1101 unformat_free (&in);
1107 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1109 vec_validate(mem_by_socket, c);
1110 mem_by_socket[c] = 64; /* default per-socket mem */
1117 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1121 vec_validate(mem_by_socket, c);
1123 e = clib_sysfs_prealloc_hugepages(c, 2 << 10, mem_by_socket[c] / 2);
1125 clib_error_report (e);
1129 if (mem_by_socket == 0)
1131 error = clib_error_return (0, "mem_by_socket NULL");
1134 _vec_len (mem_by_socket) = c + 1;
1136 /* regenerate socket_mem string */
1137 vec_foreach_index (x, mem_by_socket)
1138 socket_mem = format (socket_mem, "%s%u",
1139 socket_mem ? "," : "", mem_by_socket[x]);
1140 socket_mem = format (socket_mem, "%c", 0);
1142 vec_free (mem_by_socket);
1144 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1150 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1154 error = clib_error_return (0, "mount failed %d", errno);
1158 tmp = format (0, "--huge-dir%c", 0);
1159 vec_add1 (conf->eal_init_args, tmp);
1160 tmp = format (0, "%s%c", huge_dir_path, 0);
1161 vec_add1 (conf->eal_init_args, tmp);
1164 tmp = format (0, "--file-prefix%c", 0);
1165 vec_add1 (conf->eal_init_args, tmp);
1166 tmp = format (0, "vpp%c", 0);
1167 vec_add1 (conf->eal_init_args, tmp);
1177 /* I'll bet that -c and -n must be the first and second args... */
1178 if (!conf->coremask_set_manually)
1180 vlib_thread_registration_t *tr;
1181 uword *coremask = 0;
1184 /* main thread core */
1185 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1187 for (i = 0; i < vec_len (tm->registrations); i++)
1189 tr = tm->registrations[i];
1190 coremask = clib_bitmap_or (coremask, tr->coremask);
1193 vec_insert (conf->eal_init_args, 2, 1);
1194 conf->eal_init_args[1] = (u8 *) "-c";
1195 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1196 conf->eal_init_args[2] = tmp;
1197 clib_bitmap_free (coremask);
1200 if (!conf->nchannels_set_manually)
1202 vec_insert (conf->eal_init_args, 2, 3);
1203 conf->eal_init_args[3] = (u8 *) "-n";
1204 tmp = format (0, "%d", conf->nchannels);
1205 conf->eal_init_args[4] = tmp;
1208 if (no_pci == 0 && geteuid () == 0)
1209 dpdk_bind_devices_to_uio (conf);
1212 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1213 devconf->x = conf->default_devconf.x ;
1216 pool_foreach (devconf, conf->dev_confs, ({
1218 /* default per-device config items */
1219 foreach_dpdk_device_config_item
1221 /* add DPDK EAL whitelist/blacklist entry */
1222 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1224 tmp = format (0, "-w%c", 0);
1225 vec_add1 (conf->eal_init_args, tmp);
1226 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1227 vec_add1 (conf->eal_init_args, tmp);
1229 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1231 tmp = format (0, "-b%c", 0);
1232 vec_add1 (conf->eal_init_args, tmp);
1233 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1234 vec_add1 (conf->eal_init_args, tmp);
1241 /* set master-lcore */
1242 tmp = format (0, "--master-lcore%c", 0);
1243 vec_add1 (conf->eal_init_args, tmp);
1244 tmp = format (0, "%u%c", tm->main_lcore, 0);
1245 vec_add1 (conf->eal_init_args, tmp);
1247 /* set socket-mem */
1248 tmp = format (0, "--socket-mem%c", 0);
1249 vec_add1 (conf->eal_init_args, tmp);
1250 tmp = format (0, "%s%c", socket_mem, 0);
1251 vec_add1 (conf->eal_init_args, tmp);
1253 /* NULL terminate the "argv" vector, in case of stupidity */
1254 vec_add1 (conf->eal_init_args, 0);
1255 _vec_len (conf->eal_init_args) -= 1;
1257 /* Set up DPDK eal and packet mbuf pool early. */
1259 rte_log_set_global_level (log_level);
1261 vm = vlib_get_main ();
1263 /* make copy of args as rte_eal_init tends to mess up with arg array */
1264 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1265 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1266 conf->eal_init_args[i]);
1268 clib_warning ("EAL init args: %s", conf->eal_init_args_str);
1270 rte_eal_init (vec_len (conf->eal_init_args),
1271 (char **) conf->eal_init_args);
1273 /* lazy umount hugepages */
1274 umount2 ((char *) huge_dir_path, MNT_DETACH);
1275 rmdir ((char *) huge_dir_path);
1276 vec_free (huge_dir_path);
1279 return clib_error_return (0, "rte_eal_init returned %d", ret);
1281 /* Dump the physical memory layout prior to creating the mbuf_pool */
1282 fprintf (stdout, "DPDK physical memory layout:\n");
1283 rte_dump_physmem_layout (stdout);
1285 /* set custom ring memory allocator */
1287 struct rte_mempool_ops *ops = NULL;
1289 ops = get_ops_by_name ("ring_sp_sc");
1290 ops->alloc = dpdk_ring_alloc;
1292 ops = get_ops_by_name ("ring_mp_sc");
1293 ops->alloc = dpdk_ring_alloc;
1295 ops = get_ops_by_name ("ring_sp_mc");
1296 ops->alloc = dpdk_ring_alloc;
1298 ops = get_ops_by_name ("ring_mp_mc");
1299 ops->alloc = dpdk_ring_alloc;
1302 /* main thread 1st */
1303 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1307 for (i = 0; i < RTE_MAX_LCORE; i++)
1309 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1310 rte_lcore_to_socket_id (i));
1319 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1322 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1324 vnet_main_t *vnm = vnet_get_main ();
1325 struct rte_eth_link prev_link = xd->link;
1327 u8 hw_flags_chg = 0;
1329 /* only update link state for PMD interfaces */
1330 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1333 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1334 memset (&xd->link, 0, sizeof (xd->link));
1335 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1337 if (LINK_STATE_ELOGS)
1339 vlib_main_t *vm = vlib_get_main ();
1340 ELOG_TYPE_DECLARE (e) =
1343 "update-link-state: sw_if_index %d, admin_up %d,"
1344 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1353 ed = ELOG_DATA (&vm->elog_main, e);
1354 ed->sw_if_index = xd->vlib_sw_if_index;
1355 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1356 ed->old_link_state = (u8)
1357 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1358 ed->new_link_state = (u8) xd->link.link_status;
1361 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1362 && ((xd->link.link_status != 0) ^
1363 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1366 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1369 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1372 switch (xd->link.link_duplex)
1374 case ETH_LINK_HALF_DUPLEX:
1375 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1377 case ETH_LINK_FULL_DUPLEX:
1378 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1384 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1387 switch (xd->link.link_speed)
1389 case ETH_SPEED_NUM_10M:
1390 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1392 case ETH_SPEED_NUM_100M:
1393 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1395 case ETH_SPEED_NUM_1G:
1396 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1398 case ETH_SPEED_NUM_2_5G:
1399 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_2_5G;
1401 case ETH_SPEED_NUM_5G:
1402 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_5G;
1404 case ETH_SPEED_NUM_10G:
1405 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1407 case ETH_SPEED_NUM_20G:
1408 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_20G;
1410 case ETH_SPEED_NUM_25G:
1411 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_25G;
1413 case ETH_SPEED_NUM_40G:
1414 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1416 case ETH_SPEED_NUM_50G:
1417 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_50G;
1419 case ETH_SPEED_NUM_56G:
1420 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_56G;
1422 case ETH_SPEED_NUM_100G:
1423 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100G;
1428 clib_warning ("unknown link speed %d", xd->link.link_speed);
1434 if (LINK_STATE_ELOGS)
1436 vlib_main_t *vm = vlib_get_main ();
1438 ELOG_TYPE_DECLARE (e) =
1441 "update-link-state: sw_if_index %d, new flags %d",.format_args
1449 ed = ELOG_DATA (&vm->elog_main, e);
1450 ed->sw_if_index = xd->vlib_sw_if_index;
1451 ed->flags = hw_flags;
1453 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1458 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1460 clib_error_t *error;
1461 vnet_main_t *vnm = vnet_get_main ();
1462 dpdk_main_t *dm = &dpdk_main;
1463 ethernet_main_t *em = ðernet_main;
1465 vlib_thread_main_t *tm = vlib_get_thread_main ();
1468 error = dpdk_lib_init (dm);
1471 clib_error_report (error);
1473 tm->worker_thread_release = 1;
1475 f64 now = vlib_time_now (vm);
1476 vec_foreach (xd, dm->devices)
1478 dpdk_update_link_state (xd, now);
1483 * Extra set up for bond interfaces:
1484 * 1. Setup MACs for bond interfaces and their slave links which was set
1485 * in dpdk_device_setup() but needs to be done again here to take
1487 * 2. Set up info and register slave link state change callback handling.
1488 * 3. Set up info for bond interface related CLI support.
1490 int nports = rte_eth_dev_count ();
1493 for (i = 0; i < nports; i++)
1495 xd = &dm->devices[i];
1496 ASSERT (i == xd->device_index);
1497 if (xd->pmd == VNET_DPDK_PMD_BOND)
1500 dpdk_portid_t slink[16];
1501 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1504 vnet_hw_interface_t *bhi;
1505 ethernet_interface_t *bei;
1508 /* Get MAC of 1st slave link */
1510 (slink[0], (struct ether_addr *) addr);
1512 /* Set MAC of bounded interface to that of 1st slave link */
1513 clib_warning ("Set MAC for bond port %d BondEthernet%d",
1515 rv = rte_eth_bond_mac_address_set
1516 (i, (struct ether_addr *) addr);
1518 clib_warning ("Set MAC addr failure rv=%d", rv);
1520 /* Populate MAC of bonded interface in VPP hw tables */
1521 bhi = vnet_get_hw_interface
1522 (vnm, dm->devices[i].hw_if_index);
1523 bei = pool_elt_at_index
1524 (em->interfaces, bhi->hw_instance);
1525 clib_memcpy (bhi->hw_address, addr, 6);
1526 clib_memcpy (bei->address, addr, 6);
1528 /* Init l3 packet size allowed on bonded interface */
1529 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1530 vnet_sw_interface_set_mtu (vnm, bhi->sw_if_index,
1531 ETHERNET_MAX_PACKET_BYTES -
1532 sizeof (ethernet_header_t));
1535 { /* for all slave links */
1536 int slave = slink[--nlink];
1537 dpdk_device_t *sdev = &dm->devices[slave];
1538 vnet_hw_interface_t *shi;
1539 vnet_sw_interface_t *ssi;
1540 ethernet_interface_t *sei;
1541 /* Add MAC to all slave links except the first one */
1544 clib_warning ("Add MAC for slave port %d", slave);
1545 rv = rte_eth_dev_mac_addr_add
1546 (slave, (struct ether_addr *) addr, 0);
1548 clib_warning ("Add MAC addr failure rv=%d", rv);
1550 /* Setup slave link state change callback handling */
1551 rte_eth_dev_callback_register
1552 (slave, RTE_ETH_EVENT_INTR_LSC,
1553 dpdk_port_state_callback, NULL);
1554 dpdk_device_t *sxd = &dm->devices[slave];
1555 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1557 /* Set slaves bitmap for bonded interface */
1558 bhi->bond_info = clib_bitmap_set
1559 (bhi->bond_info, sdev->hw_if_index, 1);
1560 /* Set MACs and slave link flags on slave interface */
1561 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1562 ssi = vnet_get_sw_interface
1563 (vnm, sdev->vlib_sw_if_index);
1564 sei = pool_elt_at_index
1565 (em->interfaces, shi->hw_instance);
1566 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1567 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1568 clib_memcpy (shi->hw_address, addr, 6);
1569 clib_memcpy (sei->address, addr, 6);
1570 /* Set l3 packet size allowed as the lowest of slave */
1571 vnet_sw_interface_t *bsi =
1572 vnet_get_sw_interface (vnm, bhi->sw_if_index);
1573 if (bsi->max_l3_packet_bytes[VLIB_RX] >
1574 ssi->max_l3_packet_bytes[VLIB_RX])
1575 bsi->max_l3_packet_bytes[VLIB_RX] =
1576 bsi->max_l3_packet_bytes[VLIB_TX] =
1577 ssi->max_l3_packet_bytes[VLIB_RX];
1578 /* Set max packet size allowed as the lowest of slave */
1579 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1580 bhi->max_packet_bytes = shi->max_packet_bytes;
1591 * check each time through the loop in case intervals are changed
1593 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1594 dm->link_state_poll_interval : dm->stat_poll_interval;
1596 vlib_process_wait_for_event_or_clock (vm, min_wait);
1598 if (dm->admin_up_down_in_progress)
1599 /* skip the poll if an admin up down is in progress (on any interface) */
1602 vec_foreach (xd, dm->devices)
1604 f64 now = vlib_time_now (vm);
1605 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1606 dpdk_update_counters (xd, now);
1607 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1608 dpdk_update_link_state (xd, now);
1617 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1618 .function = dpdk_process,
1619 .type = VLIB_NODE_TYPE_PROCESS,
1620 .name = "dpdk-process",
1621 .process_log2_n_stack_bytes = 17,
1625 static clib_error_t *
1626 dpdk_init (vlib_main_t * vm)
1628 dpdk_main_t *dm = &dpdk_main;
1629 clib_error_t *error = 0;
1630 vlib_thread_main_t *tm = vlib_get_thread_main ();
1632 /* verify that structs are cacheline aligned */
1633 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1634 "Cache line marker must be 1st element in dpdk_device_t");
1635 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1636 CLIB_CACHE_LINE_BYTES,
1637 "Data in cache line 0 is bigger than cache line size");
1638 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1639 "Cache line marker must be 1st element in frame_queue_trace_t");
1642 dm->vnet_main = vnet_get_main ();
1643 dm->conf = &dpdk_config_main;
1645 dm->conf->nchannels = 4;
1646 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1647 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1649 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1651 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1652 dm->buffer_flags_template =
1653 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1654 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1655 VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
1657 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1658 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1661 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1667 VLIB_INIT_FUNCTION (dpdk_init);
1671 * fd.io coding-style-patch-verification: ON
1674 * eval: (c-set-style "gnu")