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>
24 #include <vnet/ethernet/ethernet.h>
25 #include <dpdk/device/dpdk.h>
26 #include <vlib/pci/pci.h>
34 #include <sys/mount.h>
38 #include <dpdk/device/dpdk_priv.h>
40 #define ETHER_MAX_LEN 1518 /**< Maximum frame len, including CRC. */
42 dpdk_main_t dpdk_main;
43 dpdk_config_main_t dpdk_config_main;
45 #define LINK_STATE_ELOGS 0
47 /* Port configuration, mildly modified Intel app values */
49 static dpdk_port_type_t
50 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
53 if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
54 return VNET_DPDK_PORT_TYPE_ETH_100G;
55 else if (dev_info->speed_capa & ETH_LINK_SPEED_56G)
56 return VNET_DPDK_PORT_TYPE_ETH_56G;
57 else if (dev_info->speed_capa & ETH_LINK_SPEED_50G)
58 return VNET_DPDK_PORT_TYPE_ETH_50G;
59 else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
60 return VNET_DPDK_PORT_TYPE_ETH_40G;
61 else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
62 return VNET_DPDK_PORT_TYPE_ETH_25G;
63 else if (dev_info->speed_capa & ETH_LINK_SPEED_20G)
64 return VNET_DPDK_PORT_TYPE_ETH_20G;
65 else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
66 return VNET_DPDK_PORT_TYPE_ETH_10G;
67 else if (dev_info->speed_capa & ETH_LINK_SPEED_5G)
68 return VNET_DPDK_PORT_TYPE_ETH_5G;
69 else if (dev_info->speed_capa & ETH_LINK_SPEED_2_5G)
70 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
71 else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
72 return VNET_DPDK_PORT_TYPE_ETH_1G;
74 return VNET_DPDK_PORT_TYPE_UNKNOWN;
77 static dpdk_port_type_t
78 port_type_from_link_speed (u32 link_speed)
82 case ETH_SPEED_NUM_1G:
83 return VNET_DPDK_PORT_TYPE_ETH_1G;
84 case ETH_SPEED_NUM_2_5G:
85 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
86 case ETH_SPEED_NUM_5G:
87 return VNET_DPDK_PORT_TYPE_ETH_5G;
88 case ETH_SPEED_NUM_10G:
89 return VNET_DPDK_PORT_TYPE_ETH_10G;
90 case ETH_SPEED_NUM_20G:
91 return VNET_DPDK_PORT_TYPE_ETH_20G;
92 case ETH_SPEED_NUM_25G:
93 return VNET_DPDK_PORT_TYPE_ETH_25G;
94 case ETH_SPEED_NUM_40G:
95 return VNET_DPDK_PORT_TYPE_ETH_40G;
96 case ETH_SPEED_NUM_50G:
97 return VNET_DPDK_PORT_TYPE_ETH_50G;
98 case ETH_SPEED_NUM_56G:
99 return VNET_DPDK_PORT_TYPE_ETH_56G;
100 case ETH_SPEED_NUM_100G:
101 return VNET_DPDK_PORT_TYPE_ETH_100G;
103 return VNET_DPDK_PORT_TYPE_UNKNOWN;
108 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
110 dpdk_main_t *dm = &dpdk_main;
111 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
114 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
116 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
118 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
119 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
121 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
123 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
125 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
126 rte_eth_promiscuous_enable (xd->port_id);
128 rte_eth_promiscuous_disable (xd->port_id);
131 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
133 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
134 dpdk_device_setup (xd);
140 dpdk_device_lock_init (dpdk_device_t * xd)
143 vec_validate (xd->lockp, xd->tx_q_used - 1);
144 for (q = 0; q < xd->tx_q_used; q++)
146 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
147 CLIB_CACHE_LINE_BYTES);
148 clib_memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
152 static struct rte_mempool_ops *
153 get_ops_by_name (char *ops_name)
157 for (i = 0; i < rte_mempool_ops_table.num_ops; i++)
159 if (!strcmp (ops_name, rte_mempool_ops_table.ops[i].name))
160 return &rte_mempool_ops_table.ops[i];
167 dpdk_ring_alloc (struct rte_mempool *mp)
169 u32 rg_flags = 0, count;
171 char rg_name[RTE_RING_NAMESIZE];
174 ret = snprintf (rg_name, sizeof (rg_name), RTE_MEMPOOL_MZ_FORMAT, mp->name);
175 if (ret < 0 || ret >= (i32) sizeof (rg_name))
176 return -ENAMETOOLONG;
179 if (mp->flags & MEMPOOL_F_SP_PUT)
180 rg_flags |= RING_F_SP_ENQ;
181 if (mp->flags & MEMPOOL_F_SC_GET)
182 rg_flags |= RING_F_SC_DEQ;
184 count = rte_align32pow2 (mp->size + 1);
186 * Allocate the ring that will be used to store objects.
187 * Ring functions will return appropriate errors if we are
188 * running as a secondary process etc., so no checks made
189 * in this function for that condition.
191 /* XXX can we get memory from the right socket? */
192 r = clib_mem_alloc_aligned (rte_ring_get_memsize (count),
193 CLIB_CACHE_LINE_BYTES);
195 /* XXX rte_ring_lookup will not work */
197 ret = rte_ring_init (r, rg_name, count, rg_flags);
207 dpdk_port_crc_strip_enabled (dpdk_device_t * xd)
209 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
210 return ! !(xd->port_conf.rxmode.hw_strip_crc);
211 #elif RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
212 return ! !(xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_CRC_STRIP);
214 return !(xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC);
218 static clib_error_t *
219 dpdk_lib_init (dpdk_main_t * dm)
222 u32 mtu, max_rx_frame;
226 vlib_main_t *vm = vlib_get_main ();
227 vlib_thread_main_t *tm = vlib_get_thread_main ();
228 vnet_device_main_t *vdm = &vnet_device_main;
229 vnet_sw_interface_t *sw;
230 vnet_hw_interface_t *hi;
232 vlib_pci_addr_t last_pci_addr;
233 u32 last_pci_addr_port = 0;
234 vlib_thread_registration_t *tr_hqos;
237 u32 next_hqos_cpu = 0;
238 u8 af_packet_instance_num = 0;
239 u8 bond_ether_instance_num = 0;
240 last_pci_addr.as_u32 = ~0;
242 dm->hqos_cpu_first_index = 0;
243 dm->hqos_cpu_count = 0;
245 /* find out which cpus will be used for I/O TX */
246 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
247 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
249 if (tr_hqos && tr_hqos->count > 0)
251 dm->hqos_cpu_first_index = tr_hqos->first_index;
252 dm->hqos_cpu_count = tr_hqos->count;
255 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
256 CLIB_CACHE_LINE_BYTES);
258 nports = rte_eth_dev_count_avail ();
262 dpdk_log_notice ("DPDK drivers found no ports...");
266 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
268 if (dm->conf->enable_tcp_udp_checksum)
269 dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
270 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
272 /* vlib_buffer_t template */
273 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
274 CLIB_CACHE_LINE_BYTES);
275 for (i = 0; i < tm->n_vlib_mains; i++)
277 vlib_buffer_free_list_t *fl;
278 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
279 fl = vlib_buffer_get_free_list (vm,
280 VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
281 vlib_buffer_init_for_free_list (&ptd->buffer_template, fl);
282 ptd->buffer_template.flags = dm->buffer_flags_template;
283 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
287 RTE_ETH_FOREACH_DEV(i)
291 struct rte_eth_dev_info dev_info;
292 struct rte_pci_device *pci_dev;
293 struct rte_eth_link l;
294 dpdk_device_config_t *devconf = 0;
295 vlib_pci_addr_t pci_addr;
298 if (!rte_eth_dev_is_valid_port(i))
301 rte_eth_link_get_nowait (i, &l);
302 rte_eth_dev_info_get (i, &dev_info);
304 if (dev_info.device == 0)
306 clib_warning ("DPDK bug: missing device info. Skipping %s device",
307 dev_info.driver_name);
311 pci_dev = dpdk_get_pci_device (&dev_info);
313 if (pci_dev) /* bonded interface has no pci info */
315 pci_addr.domain = pci_dev->addr.domain;
316 pci_addr.bus = pci_dev->addr.bus;
317 pci_addr.slot = pci_dev->addr.devid;
318 pci_addr.function = pci_dev->addr.function;
319 p = hash_get (dm->conf->device_config_index_by_pci_addr,
324 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
326 devconf = &dm->conf->default_devconf;
328 /* Create vnet interface */
329 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
330 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
331 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
332 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
334 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
337 struct rte_eth_dev_info di = { 0 };
338 struct rte_pci_device *next_pci_dev;
339 rte_eth_dev_info_get (i + 1, &di);
340 next_pci_dev = di.device ? RTE_DEV_TO_PCI (di.device) : 0;
341 if (pci_dev && next_pci_dev &&
342 pci_addr.as_u32 != last_pci_addr.as_u32 &&
343 memcmp (&pci_dev->addr, &next_pci_dev->addr,
344 sizeof (struct rte_pci_addr)) == 0)
346 xd->interface_name_suffix = format (0, "0");
347 last_pci_addr.as_u32 = pci_addr.as_u32;
348 last_pci_addr_port = i;
350 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
352 xd->interface_name_suffix =
353 format (0, "%u", i - last_pci_addr_port);
357 last_pci_addr.as_u32 = ~0;
361 last_pci_addr.as_u32 = ~0;
363 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
364 sizeof (struct rte_eth_txconf));
366 if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
368 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
369 xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
372 if (dm->conf->no_multi_seg)
374 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
375 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
376 xd->port_conf.rxmode.jumbo_frame = 0;
377 xd->port_conf.rxmode.enable_scatter = 0;
379 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
380 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
381 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
386 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
387 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
388 xd->port_conf.rxmode.jumbo_frame = 1;
389 xd->port_conf.rxmode.enable_scatter = 1;
391 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
392 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
393 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
395 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
398 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
400 if (devconf->num_tx_queues > 0
401 && devconf->num_tx_queues < xd->tx_q_used)
402 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
404 if (devconf->num_rx_queues > 1
405 && dev_info.max_rx_queues >= devconf->num_rx_queues)
407 xd->rx_q_used = devconf->num_rx_queues;
408 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
409 if (devconf->rss_fn == 0)
410 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
411 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
414 u64 unsupported_bits;
415 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
416 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
417 unsupported_bits &= ~dev_info.flow_type_rss_offloads;
418 if (unsupported_bits)
419 dpdk_log_warn ("Unsupported RSS hash functions: %U",
420 format_dpdk_rss_hf_name, unsupported_bits);
422 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
423 dev_info.flow_type_rss_offloads;
428 xd->flags |= DPDK_DEVICE_FLAG_PMD;
430 /* workaround for drivers not setting driver_name */
431 if ((!dev_info.driver_name) && (pci_dev))
432 dev_info.driver_name = pci_dev->driver->driver.name;
434 ASSERT (dev_info.driver_name);
440 #define _(s,f) else if (dev_info.driver_name && \
441 !strcmp(dev_info.driver_name, s)) \
442 xd->pmd = VNET_DPDK_PMD_##f;
448 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
450 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
451 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
452 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
456 /* Drivers with valid speed_capa set */
457 case VNET_DPDK_PMD_E1000EM:
458 case VNET_DPDK_PMD_IGB:
459 case VNET_DPDK_PMD_IXGBE:
460 case VNET_DPDK_PMD_I40E:
461 xd->port_type = port_type_from_speed_capa (&dev_info);
462 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
463 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
464 VNET_FLOW_ACTION_BUFFER_ADVANCE |
465 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
467 if (dm->conf->no_tx_checksum_offload == 0)
469 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
470 xd->tx_conf.txq_flags &= ~(ETH_TXQ_FLAGS_NOXSUMUDP |
471 ETH_TXQ_FLAGS_NOXSUMTCP);
473 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
474 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
477 DPDK_DEVICE_FLAG_TX_OFFLOAD |
478 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
483 case VNET_DPDK_PMD_CXGBE:
484 case VNET_DPDK_PMD_MLX4:
485 case VNET_DPDK_PMD_MLX5:
486 case VNET_DPDK_PMD_QEDE:
487 xd->port_type = port_type_from_speed_capa (&dev_info);
491 case VNET_DPDK_PMD_IGBVF:
492 case VNET_DPDK_PMD_IXGBEVF:
493 case VNET_DPDK_PMD_I40EVF:
494 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
495 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
496 xd->port_conf.rxmode.hw_strip_crc = 1;
497 #elif RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
498 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
502 case VNET_DPDK_PMD_THUNDERX:
503 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
504 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
505 xd->port_conf.rxmode.hw_strip_crc = 1;
506 #elif RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
507 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
511 case VNET_DPDK_PMD_ENA:
512 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
513 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
514 xd->port_conf.rxmode.enable_scatter = 0;
516 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
520 case VNET_DPDK_PMD_DPAA2:
521 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
525 case VNET_DPDK_PMD_ENIC:
526 if (l.link_speed == 40000)
527 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
529 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
532 /* Intel Red Rock Canyon */
533 case VNET_DPDK_PMD_FM10K:
534 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
535 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
536 xd->port_conf.rxmode.hw_strip_crc = 1;
537 #elif RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
538 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
543 case VNET_DPDK_PMD_VIRTIO:
544 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
545 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
546 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
550 case VNET_DPDK_PMD_VMXNET3:
551 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
552 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
553 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
555 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
559 case VNET_DPDK_PMD_AF_PACKET:
560 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
561 xd->af_packet_instance_num = af_packet_instance_num++;
564 case VNET_DPDK_PMD_BOND:
565 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
566 xd->bond_instance_num = bond_ether_instance_num++;
569 case VNET_DPDK_PMD_VIRTIO_USER:
570 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
573 case VNET_DPDK_PMD_VHOST_ETHER:
574 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
577 case VNET_DPDK_PMD_LIOVF_ETHER:
578 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
581 case VNET_DPDK_PMD_FAILSAFE:
582 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
583 xd->port_conf.intr_conf.lsc = 1;
586 case VNET_DPDK_PMD_NETVSC:
587 xd->port_type = port_type_from_link_speed (l.link_speed);
591 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
594 if (devconf->num_rx_desc)
595 xd->nb_rx_desc = devconf->num_rx_desc;
597 if (devconf->num_tx_desc)
598 xd->nb_tx_desc = devconf->num_tx_desc;
601 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
603 f64 now = vlib_time_now (vm);
605 rnd = (u32) (now * 1e6);
606 rnd = random_u32 (&rnd);
607 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
612 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
614 if (xd->tx_q_used < tm->n_vlib_mains)
615 dpdk_device_lock_init (xd);
618 xd->device_index = xd - dm->devices;
619 xd->per_interface_next_index = ~0;
621 /* assign interface to input thread */
624 if (devconf->hqos_enabled)
626 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
629 if (devconf->hqos.hqos_thread_valid)
631 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
632 return clib_error_return (0, "invalid HQoS thread index");
634 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
638 if (dm->hqos_cpu_count == 0)
639 return clib_error_return (0, "no HQoS threads available");
641 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
644 if (next_hqos_cpu == dm->hqos_cpu_count)
647 devconf->hqos.hqos_thread_valid = 1;
648 devconf->hqos.hqos_thread = cpu;
651 dpdk_device_and_queue_t *dq;
652 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
653 dq->device = xd->device_index;
657 /* count the number of descriptors used for this device */
658 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
660 error = ethernet_register_interface
661 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
662 /* ethernet address */ addr,
663 &xd->hw_if_index, dpdk_flag_change);
668 * Ensure default mtu is not > the mtu read from the hardware.
669 * Otherwise rte_eth_dev_configure() will fail and the port will
671 * Calculate max_frame_size and mtu supported by NIC
673 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
676 * This device does not support the platforms's max frame
677 * size. Use it's advertised mru instead.
679 max_rx_frame = dev_info.max_rx_pktlen;
680 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
684 /* VPP treats MTU and max_rx_pktlen both equal to
685 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
686 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
688 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
689 sizeof (ethernet_header_t)))
691 mtu = ETHERNET_MAX_PACKET_BYTES;
692 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
695 * Some platforms do not account for Ethernet FCS (4 bytes) in
696 * MTU calculations. To interop with them increase mru but only
697 * if the device's settings can support it.
699 if (dpdk_port_crc_strip_enabled (xd) &&
700 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
701 sizeof (ethernet_header_t) +
709 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
710 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
712 if (dpdk_port_crc_strip_enabled (xd) &&
713 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
720 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
722 /* failsafe device numerables are reported with active device only,
723 * need to query the mtu for current device setup to overwrite
727 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
730 max_rx_frame = mtu + sizeof (ethernet_header_t);
732 if (dpdk_port_crc_strip_enabled (xd))
739 /*Set port rxmode config */
740 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
742 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
743 xd->sw_if_index = sw->sw_if_index;
744 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
745 dpdk_input_node.index);
747 if (devconf->workers)
751 clib_bitmap_foreach (i, devconf->workers, ({
752 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
753 vdm->first_worker_thread_index + i);
757 for (q = 0; q < xd->rx_q_used; q++)
759 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
763 /*Get vnet hardware interface */
764 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
766 /*Override default max_packet_bytes and max_supported_bytes set in
767 * ethernet_register_interface() above*/
770 hi->max_packet_bytes = mtu;
771 hi->max_supported_packet_bytes = max_rx_frame;
774 if (dm->conf->no_tx_checksum_offload == 0)
775 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
776 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
778 dpdk_device_setup (xd);
780 if (vec_len (xd->errors))
781 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
782 format_dpdk_device_name, i,
783 format_dpdk_device_errors, xd);
785 if (devconf->hqos_enabled)
788 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
794 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
795 * specified otherwise in the startup config.
796 * For other NICs default to VLAN strip disabled, unless specified
797 * otherwise in the startup config.
799 if (xd->pmd == VNET_DPDK_PMD_ENIC)
801 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
802 vlan_strip = 1; /* remove vlan tag from VIC port by default */
804 dpdk_log_warn ("VLAN strip disabled for interface\n");
806 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
812 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
813 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
814 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
815 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
818 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
820 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
822 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) == 0)
823 dpdk_log_info ("VLAN strip enabled for interface\n");
825 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
829 hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
830 - sizeof (ethernet_header_t);
832 clib_warning ("hi NULL");
834 if (dm->conf->no_multi_seg)
835 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
837 rte_eth_dev_set_mtu (xd->port_id, mtu);
841 if (nb_desc > dm->conf->num_mbufs)
842 dpdk_log_err ("%d mbufs allocated but total rx/tx ring size is %d\n",
843 dm->conf->num_mbufs, nb_desc);
849 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
851 vlib_main_t *vm = vlib_get_main ();
854 int num_whitelisted = vec_len (conf->dev_confs);
855 vlib_pci_device_info_t *d = 0;
856 vlib_pci_addr_t *addr = 0, *addrs;
858 addrs = vlib_pci_get_all_dev_addrs ();
860 vec_foreach (addr, addrs)
862 dpdk_device_config_t * devconf = 0;
863 vec_reset_length (pci_addr);
864 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
867 vlib_pci_free_device_info (d);
870 d = vlib_pci_get_device_info (vm, addr, &error);
873 clib_error_report (error);
877 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
882 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
887 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
891 if (d->vendor_id == 0x1af4 &&
892 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
893 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
896 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
899 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
900 * the default is to put it in the blacklist.
904 pool_get (conf->dev_confs, devconf);
905 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
906 devconf - conf->dev_confs);
907 devconf->pci_addr.as_u32 = addr->as_u32;
908 devconf->is_blacklisted = 1;
911 /* all Intel network devices */
912 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
914 /* all Intel QAT devices VFs */
915 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
916 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
919 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
922 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
924 /* Amazen Elastic Network Adapter */
925 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
927 /* Cavium Network Adapter */
928 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
930 /* Cavium FastlinQ QL41000 Series */
931 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
934 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
939 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
945 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
946 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
951 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
957 pool_get (conf->dev_confs, devconf);
958 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
959 devconf - conf->dev_confs);
960 devconf->pci_addr.as_u32 = addr->as_u32;
962 devconf->is_blacklisted = 1;
963 clib_error_report (error);
968 vlib_pci_free_device_info (d);
971 static clib_error_t *
972 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
973 unformat_input_t * input, u8 is_default)
975 clib_error_t *error = 0;
977 dpdk_device_config_t *devconf;
978 unformat_input_t sub_input;
982 devconf = &conf->default_devconf;
986 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
990 pool_get (conf->dev_confs, devconf);
991 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
992 devconf - conf->dev_confs);
995 return clib_error_return (0,
996 "duplicate configuration for PCI address %U",
997 format_vlib_pci_addr, &pci_addr);
1000 devconf->pci_addr.as_u32 = pci_addr.as_u32;
1001 devconf->hqos_enabled = 0;
1002 dpdk_device_config_hqos_default (&devconf->hqos);
1007 unformat_skip_white_space (input);
1008 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1010 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1012 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1014 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1016 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1018 else if (unformat (input, "workers %U", unformat_bitmap_list,
1023 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1025 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1029 else if (unformat (input, "vlan-strip-offload off"))
1030 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
1031 else if (unformat (input, "vlan-strip-offload on"))
1032 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
1035 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
1037 devconf->hqos_enabled = 1;
1038 error = unformat_hqos (&sub_input, &devconf->hqos);
1042 else if (unformat (input, "hqos"))
1044 devconf->hqos_enabled = 1;
1048 error = clib_error_return (0, "unknown input `%U'",
1049 format_unformat_error, input);
1057 if (devconf->workers && devconf->num_rx_queues == 0)
1058 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1059 else if (devconf->workers &&
1060 clib_bitmap_count_set_bits (devconf->workers) !=
1061 devconf->num_rx_queues)
1063 clib_error_return (0,
1064 "%U: number of worker threads must be "
1065 "equal to number of rx queues", format_vlib_pci_addr,
1071 static clib_error_t *
1072 dpdk_log_read_ready (clib_file_t * uf)
1074 unformat_input_t input;
1081 uword len = vec_len (s);
1082 vec_resize (s, len + n_try);
1084 n = read (uf->file_descriptor, s + len, n_try);
1085 if (n < 0 && errno != EAGAIN)
1086 return clib_error_return_unix (0, "read");
1087 _vec_len (s) = len + (n < 0 ? 0 : n);
1090 unformat_init_vector (&input, s);
1092 while (unformat_user (&input, unformat_line, &line))
1094 dpdk_log_notice ("%v", line);
1098 unformat_free (&input);
1102 static clib_error_t *
1103 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1105 clib_error_t *error = 0;
1106 dpdk_config_main_t *conf = &dpdk_config_main;
1107 vlib_thread_main_t *tm = vlib_get_thread_main ();
1108 dpdk_device_config_t *devconf;
1109 vlib_pci_addr_t pci_addr;
1110 unformat_input_t sub_input;
1115 int num_whitelisted = 0;
1121 u8 *huge_dir_path = 0;
1124 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1126 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1127 log_level = RTE_LOG_NOTICE;
1129 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1131 /* Prime the pump */
1132 if (unformat (input, "no-hugetlb"))
1134 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1138 else if (unformat (input, "enable-tcp-udp-checksum"))
1139 conf->enable_tcp_udp_checksum = 1;
1141 else if (unformat (input, "no-tx-checksum-offload"))
1142 conf->no_tx_checksum_offload = 1;
1144 else if (unformat (input, "decimal-interface-names"))
1145 conf->interface_name_format_decimal = 1;
1147 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
1150 else if (unformat (input, "no-multi-seg"))
1151 conf->no_multi_seg = 1;
1153 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1157 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1165 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1166 unformat_vlib_cli_sub_input, &sub_input))
1168 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1175 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1177 error = dpdk_device_config (conf, pci_addr, 0, 0);
1184 else if (unformat (input, "num-mem-channels %d", &conf->nchannels))
1185 conf->nchannels_set_manually = 0;
1186 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1188 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1190 else if (unformat (input, "socket-mem %s", &socket_mem))
1192 else if (unformat (input, "no-pci"))
1195 tmp = format (0, "--no-pci%c", 0);
1196 vec_add1 (conf->eal_init_args, tmp);
1200 else if (unformat(input, #a)) \
1202 tmp = format (0, "--%s%c", #a, 0); \
1203 vec_add1 (conf->eal_init_args, tmp); \
1205 foreach_eal_double_hyphen_predicate_arg
1208 else if (unformat(input, #a " %s", &s)) \
1210 if (!strncmp(#a, "huge-dir", 8)) \
1212 else if (!strncmp(#a, "file-prefix", 11)) \
1214 tmp = format (0, "--%s%c", #a, 0); \
1215 vec_add1 (conf->eal_init_args, tmp); \
1217 if (!strncmp(#a, "vdev", 4)) \
1218 if (strstr((char*)s, "af_packet")) \
1219 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1220 vec_add1 (conf->eal_init_args, s); \
1222 foreach_eal_double_hyphen_arg
1225 else if (unformat(input, #a " %s", &s)) \
1227 tmp = format (0, "-%s%c", #b, 0); \
1228 vec_add1 (conf->eal_init_args, tmp); \
1230 vec_add1 (conf->eal_init_args, s); \
1232 foreach_eal_single_hyphen_arg
1235 else if (unformat(input, #a " %s", &s)) \
1237 tmp = format (0, "-%s%c", #b, 0); \
1238 vec_add1 (conf->eal_init_args, tmp); \
1240 vec_add1 (conf->eal_init_args, s); \
1241 conf->a##_set_manually = 1; \
1243 foreach_eal_single_hyphen_mandatory_arg
1245 else if (unformat (input, "default"))
1248 else if (unformat_skip_white_space (input))
1252 error = clib_error_return (0, "unknown input `%U'",
1253 format_unformat_error, input);
1258 if (!conf->uio_driver_name)
1259 conf->uio_driver_name = format (0, "auto%c", 0);
1262 * Use 1G huge pages if available.
1264 if (!no_huge && !huge_dir)
1266 u32 x, *mem_by_socket = 0;
1270 umount ((char *) huge_dir_path);
1272 /* Process "socket-mem" parameter value */
1273 if (vec_len (socket_mem))
1275 unformat_input_t in;
1276 unformat_init_vector (&in, socket_mem);
1277 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1279 if (unformat (&in, "%u,", &x))
1281 else if (unformat (&in, "%u", &x))
1283 else if (unformat (&in, ","))
1288 vec_add1 (mem_by_socket, x);
1290 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1291 unformat_free (&in);
1297 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1299 vec_validate(mem_by_socket, c);
1300 mem_by_socket[c] = 64; /* default per-socket mem */
1306 uword default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1308 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1312 vec_validate(mem_by_socket, c);
1313 n_pages = round_pow2 ((uword) mem_by_socket[c]<<20,
1314 default_hugepage_sz);
1315 n_pages /= default_hugepage_sz;
1317 if ((e = clib_sysfs_prealloc_hugepages(c, 0, n_pages)))
1318 clib_error_report (e);
1322 if (mem_by_socket == 0)
1324 error = clib_error_return (0, "mem_by_socket NULL");
1327 _vec_len (mem_by_socket) = c + 1;
1329 /* regenerate socket_mem string */
1330 vec_foreach_index (x, mem_by_socket)
1331 socket_mem = format (socket_mem, "%s%u",
1332 socket_mem ? "," : "", mem_by_socket[x]);
1333 socket_mem = format (socket_mem, "%c", 0);
1335 vec_free (mem_by_socket);
1337 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1343 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1347 error = clib_error_return (0, "mount failed %d", errno);
1351 tmp = format (0, "--huge-dir%c", 0);
1352 vec_add1 (conf->eal_init_args, tmp);
1353 tmp = format (0, "%s%c", huge_dir_path, 0);
1354 vec_add1 (conf->eal_init_args, tmp);
1357 tmp = format (0, "--file-prefix%c", 0);
1358 vec_add1 (conf->eal_init_args, tmp);
1359 tmp = format (0, "vpp%c", 0);
1360 vec_add1 (conf->eal_init_args, tmp);
1367 /* I'll bet that -c and -n must be the first and second args... */
1368 if (!conf->coremask_set_manually)
1370 vlib_thread_registration_t *tr;
1371 uword *coremask = 0;
1374 /* main thread core */
1375 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1377 for (i = 0; i < vec_len (tm->registrations); i++)
1379 tr = tm->registrations[i];
1380 coremask = clib_bitmap_or (coremask, tr->coremask);
1383 vec_insert (conf->eal_init_args, 2, 1);
1384 conf->eal_init_args[1] = (u8 *) "-c";
1385 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1386 conf->eal_init_args[2] = tmp;
1387 clib_bitmap_free (coremask);
1390 if (!conf->nchannels_set_manually)
1392 vec_insert (conf->eal_init_args, 2, 3);
1393 conf->eal_init_args[3] = (u8 *) "-n";
1394 tmp = format (0, "%d", conf->nchannels);
1395 conf->eal_init_args[4] = tmp;
1398 if (no_pci == 0 && geteuid () == 0)
1399 dpdk_bind_devices_to_uio (conf);
1402 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1403 devconf->x = conf->default_devconf.x ;
1406 pool_foreach (devconf, conf->dev_confs, ({
1408 /* default per-device config items */
1409 foreach_dpdk_device_config_item
1411 /* add DPDK EAL whitelist/blacklist entry */
1412 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1414 tmp = format (0, "-w%c", 0);
1415 vec_add1 (conf->eal_init_args, tmp);
1416 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1417 vec_add1 (conf->eal_init_args, tmp);
1419 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1421 tmp = format (0, "-b%c", 0);
1422 vec_add1 (conf->eal_init_args, tmp);
1423 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1424 vec_add1 (conf->eal_init_args, tmp);
1431 /* set master-lcore */
1432 tmp = format (0, "--master-lcore%c", 0);
1433 vec_add1 (conf->eal_init_args, tmp);
1434 tmp = format (0, "%u%c", tm->main_lcore, 0);
1435 vec_add1 (conf->eal_init_args, tmp);
1437 /* set socket-mem */
1440 tmp = format (0, "--socket-mem%c", 0);
1441 vec_add1 (conf->eal_init_args, tmp);
1442 tmp = format (0, "%s%c", socket_mem, 0);
1443 vec_add1 (conf->eal_init_args, tmp);
1446 /* NULL terminate the "argv" vector, in case of stupidity */
1447 vec_add1 (conf->eal_init_args, 0);
1448 _vec_len (conf->eal_init_args) -= 1;
1450 /* Set up DPDK eal and packet mbuf pool early. */
1452 rte_log_set_global_level (log_level);
1453 int log_fds[2] = { 0 };
1454 if (pipe (log_fds) == 0)
1456 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1458 FILE *f = fdopen (log_fds[1], "a");
1459 if (f && rte_openlog_stream (f) == 0)
1461 clib_file_t t = { 0 };
1462 t.read_function = dpdk_log_read_ready;
1463 t.file_descriptor = log_fds[0];
1464 t.description = format (0, "DPDK logging pipe");
1465 clib_file_add (&file_main, &t);
1475 vm = vlib_get_main ();
1477 /* make copy of args as rte_eal_init tends to mess up with arg array */
1478 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1479 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1480 conf->eal_init_args[i]);
1482 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1483 ret = rte_eal_init (vec_len (conf->eal_init_args),
1484 (char **) conf->eal_init_args);
1486 /* lazy umount hugepages */
1487 umount2 ((char *) huge_dir_path, MNT_DETACH);
1488 rmdir ((char *) huge_dir_path);
1489 vec_free (huge_dir_path);
1492 return clib_error_return (0, "rte_eal_init returned %d", ret);
1494 /* set custom ring memory allocator */
1496 struct rte_mempool_ops *ops = NULL;
1498 ops = get_ops_by_name ("ring_sp_sc");
1499 ops->alloc = dpdk_ring_alloc;
1501 ops = get_ops_by_name ("ring_mp_sc");
1502 ops->alloc = dpdk_ring_alloc;
1504 ops = get_ops_by_name ("ring_sp_mc");
1505 ops->alloc = dpdk_ring_alloc;
1507 ops = get_ops_by_name ("ring_mp_mc");
1508 ops->alloc = dpdk_ring_alloc;
1511 /* main thread 1st */
1512 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1516 for (i = 0; i < RTE_MAX_LCORE; i++)
1518 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1519 rte_lcore_to_socket_id (i));
1528 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1531 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1533 vnet_main_t *vnm = vnet_get_main ();
1534 struct rte_eth_link prev_link = xd->link;
1536 u8 hw_flags_chg = 0;
1538 /* only update link state for PMD interfaces */
1539 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1542 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1543 clib_memset (&xd->link, 0, sizeof (xd->link));
1544 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1546 if (LINK_STATE_ELOGS)
1548 vlib_main_t *vm = vlib_get_main ();
1549 ELOG_TYPE_DECLARE (e) =
1552 "update-link-state: sw_if_index %d, admin_up %d,"
1553 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1562 ed = ELOG_DATA (&vm->elog_main, e);
1563 ed->sw_if_index = xd->sw_if_index;
1564 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1565 ed->old_link_state = (u8)
1566 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1567 ed->new_link_state = (u8) xd->link.link_status;
1570 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1571 && ((xd->link.link_status != 0) ^
1572 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1575 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1578 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1581 switch (xd->link.link_duplex)
1583 case ETH_LINK_HALF_DUPLEX:
1584 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1586 case ETH_LINK_FULL_DUPLEX:
1587 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1593 if (xd->link.link_speed != prev_link.link_speed)
1594 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1595 xd->link.link_speed * 1000);
1599 if (LINK_STATE_ELOGS)
1601 vlib_main_t *vm = vlib_get_main ();
1603 ELOG_TYPE_DECLARE (e) =
1606 "update-link-state: sw_if_index %d, new flags %d",.format_args
1614 ed = ELOG_DATA (&vm->elog_main, e);
1615 ed->sw_if_index = xd->sw_if_index;
1616 ed->flags = hw_flags;
1618 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1623 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1625 clib_error_t *error;
1626 vnet_main_t *vnm = vnet_get_main ();
1627 dpdk_main_t *dm = &dpdk_main;
1628 ethernet_main_t *em = ðernet_main;
1630 vlib_thread_main_t *tm = vlib_get_thread_main ();
1634 error = dpdk_lib_init (dm);
1637 clib_error_report (error);
1639 tm->worker_thread_release = 1;
1641 f64 now = vlib_time_now (vm);
1642 vec_foreach (xd, dm->devices)
1644 dpdk_update_link_state (xd, now);
1649 * Extra set up for bond interfaces:
1650 * 1. Setup MACs for bond interfaces and their slave links which was set
1651 * in dpdk_device_setup() but needs to be done again here to take
1653 * 2. Set up info and register slave link state change callback handling.
1654 * 3. Set up info for bond interface related CLI support.
1656 int nports = rte_eth_dev_count_avail ();
1660 RTE_ETH_FOREACH_DEV(i)
1663 for (j = 0; j < nports; j++)
1665 if (dm->devices[j].port_id == i)
1667 xd = &dm->devices[j];
1670 if (xd != NULL && xd->pmd == VNET_DPDK_PMD_BOND)
1673 dpdk_portid_t slink[16];
1674 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1677 vnet_hw_interface_t *bhi;
1678 ethernet_interface_t *bei;
1681 /* Get MAC of 1st slave link */
1683 (slink[0], (struct ether_addr *) addr);
1685 /* Set MAC of bounded interface to that of 1st slave link */
1686 dpdk_log_info ("Set MAC for bond port %d BondEthernet%d",
1687 i, xd->bond_instance_num);
1688 rv = rte_eth_bond_mac_address_set
1689 (i, (struct ether_addr *) addr);
1691 dpdk_log_warn ("Set MAC addr failure rv=%d", rv);
1693 /* Populate MAC of bonded interface in VPP hw tables */
1694 bhi = vnet_get_hw_interface
1695 (vnm, dm->devices[i].hw_if_index);
1696 bei = pool_elt_at_index
1697 (em->interfaces, bhi->hw_instance);
1698 clib_memcpy (bhi->hw_address, addr, 6);
1699 clib_memcpy (bei->address, addr, 6);
1701 /* Init l3 packet size allowed on bonded interface */
1702 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1704 { /* for all slave links */
1705 int slave = slink[--nlink];
1706 dpdk_device_t *sdev = &dm->devices[slave];
1707 vnet_hw_interface_t *shi;
1708 vnet_sw_interface_t *ssi;
1709 ethernet_interface_t *sei;
1710 /* Add MAC to all slave links except the first one */
1713 dpdk_log_info ("Add MAC for slave port %d",
1715 rv = rte_eth_dev_mac_addr_add
1716 (slave, (struct ether_addr *) addr, 0);
1718 dpdk_log_warn ("Add MAC addr failure rv=%d",
1721 /* Setup slave link state change callback handling */
1722 rte_eth_dev_callback_register
1723 (slave, RTE_ETH_EVENT_INTR_LSC,
1724 dpdk_port_state_callback, NULL);
1725 dpdk_device_t *sxd = &dm->devices[slave];
1726 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1728 /* Set slaves bitmap for bonded interface */
1729 bhi->bond_info = clib_bitmap_set
1730 (bhi->bond_info, sdev->hw_if_index, 1);
1731 /* Set MACs and slave link flags on slave interface */
1732 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1733 ssi = vnet_get_sw_interface (vnm, sdev->sw_if_index);
1734 sei = pool_elt_at_index
1735 (em->interfaces, shi->hw_instance);
1736 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1737 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1738 clib_memcpy (shi->hw_address, addr, 6);
1739 clib_memcpy (sei->address, addr, 6);
1740 /* Set l3 packet size allowed as the lowest of slave */
1741 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1742 bhi->max_packet_bytes = shi->max_packet_bytes;
1754 * check each time through the loop in case intervals are changed
1756 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1757 dm->link_state_poll_interval : dm->stat_poll_interval;
1759 vlib_process_wait_for_event_or_clock (vm, min_wait);
1761 if (dm->admin_up_down_in_progress)
1762 /* skip the poll if an admin up down is in progress (on any interface) */
1765 vec_foreach (xd, dm->devices)
1767 f64 now = vlib_time_now (vm);
1768 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1769 dpdk_update_counters (xd, now);
1770 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1771 dpdk_update_link_state (xd, now);
1780 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1781 .function = dpdk_process,
1782 .type = VLIB_NODE_TYPE_PROCESS,
1783 .name = "dpdk-process",
1784 .process_log2_n_stack_bytes = 17,
1788 static clib_error_t *
1789 dpdk_init (vlib_main_t * vm)
1791 dpdk_main_t *dm = &dpdk_main;
1792 clib_error_t *error = 0;
1794 /* verify that structs are cacheline aligned */
1795 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1796 "Cache line marker must be 1st element in dpdk_device_t");
1797 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1798 CLIB_CACHE_LINE_BYTES,
1799 "Data in cache line 0 is bigger than cache line size");
1800 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1801 "Cache line marker must be 1st element in frame_queue_trace_t");
1802 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1803 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1806 dm->vnet_main = vnet_get_main ();
1807 dm->conf = &dpdk_config_main;
1809 dm->conf->nchannels = 4;
1810 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1811 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1813 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1814 dm->buffer_flags_template =
1815 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1816 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1817 VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
1819 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1820 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1823 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1826 dm->log_default = vlib_log_register_class ("dpdk", 0);
1831 VLIB_INIT_FUNCTION (dpdk_init);
1835 * fd.io coding-style-patch-verification: ON
1838 * eval: (c-set-style "gnu")