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 /* Create vnet interface */
325 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
326 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
327 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
328 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
332 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
333 xd->name = devconf->name;
336 devconf = &dm->conf->default_devconf;
338 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
341 struct rte_eth_dev_info di = { 0 };
342 struct rte_pci_device *next_pci_dev;
343 rte_eth_dev_info_get (i + 1, &di);
344 next_pci_dev = di.device ? RTE_DEV_TO_PCI (di.device) : 0;
345 if (pci_dev && next_pci_dev &&
346 pci_addr.as_u32 != last_pci_addr.as_u32 &&
347 memcmp (&pci_dev->addr, &next_pci_dev->addr,
348 sizeof (struct rte_pci_addr)) == 0)
350 xd->interface_name_suffix = format (0, "0");
351 last_pci_addr.as_u32 = pci_addr.as_u32;
352 last_pci_addr_port = i;
354 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
356 xd->interface_name_suffix =
357 format (0, "%u", i - last_pci_addr_port);
361 last_pci_addr.as_u32 = ~0;
365 last_pci_addr.as_u32 = ~0;
367 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
368 sizeof (struct rte_eth_txconf));
370 if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
372 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
373 xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
376 if (dm->conf->no_multi_seg)
378 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
379 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
380 xd->port_conf.rxmode.jumbo_frame = 0;
381 xd->port_conf.rxmode.enable_scatter = 0;
383 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
384 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
385 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
390 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
391 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
392 xd->port_conf.rxmode.jumbo_frame = 1;
393 xd->port_conf.rxmode.enable_scatter = 1;
395 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
396 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
397 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
399 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
402 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
404 if (devconf->num_tx_queues > 0
405 && devconf->num_tx_queues < xd->tx_q_used)
406 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
408 if (devconf->num_rx_queues > 1
409 && dev_info.max_rx_queues >= devconf->num_rx_queues)
411 xd->rx_q_used = devconf->num_rx_queues;
412 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
413 if (devconf->rss_fn == 0)
414 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
415 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
418 u64 unsupported_bits;
419 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
420 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
421 unsupported_bits &= ~dev_info.flow_type_rss_offloads;
422 if (unsupported_bits)
423 dpdk_log_warn ("Unsupported RSS hash functions: %U",
424 format_dpdk_rss_hf_name, unsupported_bits);
426 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
427 dev_info.flow_type_rss_offloads;
432 xd->flags |= DPDK_DEVICE_FLAG_PMD;
434 /* workaround for drivers not setting driver_name */
435 if ((!dev_info.driver_name) && (pci_dev))
436 dev_info.driver_name = pci_dev->driver->driver.name;
438 ASSERT (dev_info.driver_name);
444 #define _(s,f) else if (dev_info.driver_name && \
445 !strcmp(dev_info.driver_name, s)) \
446 xd->pmd = VNET_DPDK_PMD_##f;
452 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
454 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
455 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
456 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
460 /* Drivers with valid speed_capa set */
461 case VNET_DPDK_PMD_E1000EM:
462 case VNET_DPDK_PMD_IGB:
463 case VNET_DPDK_PMD_IXGBE:
464 case VNET_DPDK_PMD_I40E:
465 xd->port_type = port_type_from_speed_capa (&dev_info);
466 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
467 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
468 VNET_FLOW_ACTION_BUFFER_ADVANCE |
469 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
471 if (dm->conf->no_tx_checksum_offload == 0)
473 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
474 xd->tx_conf.txq_flags &= ~(ETH_TXQ_FLAGS_NOXSUMUDP |
475 ETH_TXQ_FLAGS_NOXSUMTCP);
477 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
478 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
481 DPDK_DEVICE_FLAG_TX_OFFLOAD |
482 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
487 case VNET_DPDK_PMD_CXGBE:
488 case VNET_DPDK_PMD_MLX4:
489 case VNET_DPDK_PMD_MLX5:
490 case VNET_DPDK_PMD_QEDE:
491 xd->port_type = port_type_from_speed_capa (&dev_info);
495 case VNET_DPDK_PMD_IGBVF:
496 case VNET_DPDK_PMD_IXGBEVF:
497 case VNET_DPDK_PMD_I40EVF:
498 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
499 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
500 xd->port_conf.rxmode.hw_strip_crc = 1;
501 #elif RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
502 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
506 case VNET_DPDK_PMD_THUNDERX:
507 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
508 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
509 xd->port_conf.rxmode.hw_strip_crc = 1;
510 #elif RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
511 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
514 if (dm->conf->no_tx_checksum_offload == 0)
516 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
517 xd->tx_conf.txq_flags &= ~(ETH_TXQ_FLAGS_NOXSUMUDP |
518 ETH_TXQ_FLAGS_NOXSUMTCP);
520 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
521 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
524 DPDK_DEVICE_FLAG_TX_OFFLOAD;
528 case VNET_DPDK_PMD_ENA:
529 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
530 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
531 xd->port_conf.rxmode.enable_scatter = 0;
533 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
537 case VNET_DPDK_PMD_DPAA2:
538 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
542 case VNET_DPDK_PMD_ENIC:
543 if (l.link_speed == 40000)
544 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
546 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
549 /* Intel Red Rock Canyon */
550 case VNET_DPDK_PMD_FM10K:
551 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
552 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
553 xd->port_conf.rxmode.hw_strip_crc = 1;
554 #elif RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
555 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
560 case VNET_DPDK_PMD_VIRTIO:
561 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
562 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
563 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
567 case VNET_DPDK_PMD_VMXNET3:
568 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
569 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
570 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
572 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
576 case VNET_DPDK_PMD_AF_PACKET:
577 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
578 xd->af_packet_instance_num = af_packet_instance_num++;
581 case VNET_DPDK_PMD_BOND:
582 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
583 xd->bond_instance_num = bond_ether_instance_num++;
586 case VNET_DPDK_PMD_VIRTIO_USER:
587 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
590 case VNET_DPDK_PMD_VHOST_ETHER:
591 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
594 case VNET_DPDK_PMD_LIOVF_ETHER:
595 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
598 case VNET_DPDK_PMD_FAILSAFE:
599 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
600 xd->port_conf.intr_conf.lsc = 1;
603 case VNET_DPDK_PMD_NETVSC:
604 xd->port_type = port_type_from_link_speed (l.link_speed);
608 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
611 if (devconf->num_rx_desc)
612 xd->nb_rx_desc = devconf->num_rx_desc;
614 if (devconf->num_tx_desc)
615 xd->nb_tx_desc = devconf->num_tx_desc;
618 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
620 f64 now = vlib_time_now (vm);
622 rnd = (u32) (now * 1e6);
623 rnd = random_u32 (&rnd);
624 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
629 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
631 if (xd->tx_q_used < tm->n_vlib_mains)
632 dpdk_device_lock_init (xd);
635 xd->device_index = xd - dm->devices;
636 xd->per_interface_next_index = ~0;
638 /* assign interface to input thread */
641 if (devconf->hqos_enabled)
643 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
646 if (devconf->hqos.hqos_thread_valid)
648 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
649 return clib_error_return (0, "invalid HQoS thread index");
651 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
655 if (dm->hqos_cpu_count == 0)
656 return clib_error_return (0, "no HQoS threads available");
658 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
661 if (next_hqos_cpu == dm->hqos_cpu_count)
664 devconf->hqos.hqos_thread_valid = 1;
665 devconf->hqos.hqos_thread = cpu;
668 dpdk_device_and_queue_t *dq;
669 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
670 dq->device = xd->device_index;
674 /* count the number of descriptors used for this device */
675 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
677 error = ethernet_register_interface
678 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
679 /* ethernet address */ addr,
680 &xd->hw_if_index, dpdk_flag_change);
685 * Ensure default mtu is not > the mtu read from the hardware.
686 * Otherwise rte_eth_dev_configure() will fail and the port will
688 * Calculate max_frame_size and mtu supported by NIC
690 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
693 * This device does not support the platforms's max frame
694 * size. Use it's advertised mru instead.
696 max_rx_frame = dev_info.max_rx_pktlen;
697 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
701 /* VPP treats MTU and max_rx_pktlen both equal to
702 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
703 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
705 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
706 sizeof (ethernet_header_t)))
708 mtu = ETHERNET_MAX_PACKET_BYTES;
709 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
712 * Some platforms do not account for Ethernet FCS (4 bytes) in
713 * MTU calculations. To interop with them increase mru but only
714 * if the device's settings can support it.
716 if (dpdk_port_crc_strip_enabled (xd) &&
717 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
718 sizeof (ethernet_header_t) +
726 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
727 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
729 if (dpdk_port_crc_strip_enabled (xd) &&
730 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
737 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
739 /* failsafe device numerables are reported with active device only,
740 * need to query the mtu for current device setup to overwrite
744 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
747 max_rx_frame = mtu + sizeof (ethernet_header_t);
749 if (dpdk_port_crc_strip_enabled (xd))
756 /*Set port rxmode config */
757 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
759 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
760 xd->sw_if_index = sw->sw_if_index;
761 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
762 dpdk_input_node.index);
764 if (devconf->workers)
768 clib_bitmap_foreach (i, devconf->workers, ({
769 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
770 vdm->first_worker_thread_index + i);
774 for (q = 0; q < xd->rx_q_used; q++)
776 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
780 /*Get vnet hardware interface */
781 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
783 /*Override default max_packet_bytes and max_supported_bytes set in
784 * ethernet_register_interface() above*/
787 hi->max_packet_bytes = mtu;
788 hi->max_supported_packet_bytes = max_rx_frame;
791 if (dm->conf->no_tx_checksum_offload == 0)
792 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
793 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
795 dpdk_device_setup (xd);
797 if (vec_len (xd->errors))
798 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
799 format_dpdk_device_name, i,
800 format_dpdk_device_errors, xd);
802 if (devconf->hqos_enabled)
805 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
811 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
812 * specified otherwise in the startup config.
813 * For other NICs default to VLAN strip disabled, unless specified
814 * otherwise in the startup config.
816 if (xd->pmd == VNET_DPDK_PMD_ENIC)
818 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
819 vlan_strip = 1; /* remove vlan tag from VIC port by default */
821 dpdk_log_warn ("VLAN strip disabled for interface\n");
823 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
829 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
830 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
831 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
832 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
835 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
837 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
839 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) == 0)
840 dpdk_log_info ("VLAN strip enabled for interface\n");
842 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
846 hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
847 - sizeof (ethernet_header_t);
849 clib_warning ("hi NULL");
851 if (dm->conf->no_multi_seg)
852 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
854 rte_eth_dev_set_mtu (xd->port_id, mtu);
858 if (nb_desc > dm->conf->num_mbufs)
859 dpdk_log_err ("%d mbufs allocated but total rx/tx ring size is %d\n",
860 dm->conf->num_mbufs, nb_desc);
866 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
868 vlib_main_t *vm = vlib_get_main ();
871 int num_whitelisted = vec_len (conf->dev_confs);
872 vlib_pci_device_info_t *d = 0;
873 vlib_pci_addr_t *addr = 0, *addrs;
875 addrs = vlib_pci_get_all_dev_addrs ();
877 vec_foreach (addr, addrs)
879 dpdk_device_config_t * devconf = 0;
880 vec_reset_length (pci_addr);
881 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
884 vlib_pci_free_device_info (d);
887 d = vlib_pci_get_device_info (vm, addr, &error);
890 clib_error_report (error);
894 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
899 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
904 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
908 if (d->vendor_id == 0x1af4 &&
909 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
910 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
913 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
916 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
917 * the default is to put it in the blacklist.
921 pool_get (conf->dev_confs, devconf);
922 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
923 devconf - conf->dev_confs);
924 devconf->pci_addr.as_u32 = addr->as_u32;
925 devconf->is_blacklisted = 1;
928 /* all Intel network devices */
929 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
931 /* all Intel QAT devices VFs */
932 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
933 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
936 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
939 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
941 /* Amazen Elastic Network Adapter */
942 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
944 /* Cavium Network Adapter */
945 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
947 /* Cavium FastlinQ QL41000 Series */
948 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
951 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
956 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
962 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
963 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
968 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
974 pool_get (conf->dev_confs, devconf);
975 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
976 devconf - conf->dev_confs);
977 devconf->pci_addr.as_u32 = addr->as_u32;
979 devconf->is_blacklisted = 1;
980 clib_error_report (error);
985 vlib_pci_free_device_info (d);
988 static clib_error_t *
989 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
990 unformat_input_t * input, u8 is_default)
992 clib_error_t *error = 0;
994 dpdk_device_config_t *devconf;
995 unformat_input_t sub_input;
999 devconf = &conf->default_devconf;
1003 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
1007 pool_get (conf->dev_confs, devconf);
1008 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
1009 devconf - conf->dev_confs);
1012 return clib_error_return (0,
1013 "duplicate configuration for PCI address %U",
1014 format_vlib_pci_addr, &pci_addr);
1017 devconf->pci_addr.as_u32 = pci_addr.as_u32;
1018 devconf->hqos_enabled = 0;
1019 dpdk_device_config_hqos_default (&devconf->hqos);
1024 unformat_skip_white_space (input);
1025 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1027 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1029 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1031 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1033 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1035 else if (unformat (input, "name %s", &devconf->name))
1037 else if (unformat (input, "workers %U", unformat_bitmap_list,
1042 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1044 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1048 else if (unformat (input, "vlan-strip-offload off"))
1049 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
1050 else if (unformat (input, "vlan-strip-offload on"))
1051 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
1054 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
1056 devconf->hqos_enabled = 1;
1057 error = unformat_hqos (&sub_input, &devconf->hqos);
1061 else if (unformat (input, "hqos"))
1063 devconf->hqos_enabled = 1;
1067 error = clib_error_return (0, "unknown input `%U'",
1068 format_unformat_error, input);
1076 if (devconf->workers && devconf->num_rx_queues == 0)
1077 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1078 else if (devconf->workers &&
1079 clib_bitmap_count_set_bits (devconf->workers) !=
1080 devconf->num_rx_queues)
1082 clib_error_return (0,
1083 "%U: number of worker threads must be "
1084 "equal to number of rx queues", format_vlib_pci_addr,
1090 static clib_error_t *
1091 dpdk_log_read_ready (clib_file_t * uf)
1093 unformat_input_t input;
1100 uword len = vec_len (s);
1101 vec_resize (s, len + n_try);
1103 n = read (uf->file_descriptor, s + len, n_try);
1104 if (n < 0 && errno != EAGAIN)
1105 return clib_error_return_unix (0, "read");
1106 _vec_len (s) = len + (n < 0 ? 0 : n);
1109 unformat_init_vector (&input, s);
1111 while (unformat_user (&input, unformat_line, &line))
1113 dpdk_log_notice ("%v", line);
1117 unformat_free (&input);
1121 static clib_error_t *
1122 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1124 clib_error_t *error = 0;
1125 dpdk_config_main_t *conf = &dpdk_config_main;
1126 vlib_thread_main_t *tm = vlib_get_thread_main ();
1127 dpdk_device_config_t *devconf;
1128 vlib_pci_addr_t pci_addr;
1129 unformat_input_t sub_input;
1134 int num_whitelisted = 0;
1140 u8 *huge_dir_path = 0;
1143 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1145 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1146 log_level = RTE_LOG_NOTICE;
1148 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1150 /* Prime the pump */
1151 if (unformat (input, "no-hugetlb"))
1153 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1157 else if (unformat (input, "enable-tcp-udp-checksum"))
1158 conf->enable_tcp_udp_checksum = 1;
1160 else if (unformat (input, "no-tx-checksum-offload"))
1161 conf->no_tx_checksum_offload = 1;
1163 else if (unformat (input, "decimal-interface-names"))
1164 conf->interface_name_format_decimal = 1;
1166 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
1169 else if (unformat (input, "no-multi-seg"))
1170 conf->no_multi_seg = 1;
1172 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1176 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1184 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1185 unformat_vlib_cli_sub_input, &sub_input))
1187 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1194 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1196 error = dpdk_device_config (conf, pci_addr, 0, 0);
1203 else if (unformat (input, "num-mem-channels %d", &conf->nchannels))
1204 conf->nchannels_set_manually = 0;
1205 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1207 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1209 else if (unformat (input, "socket-mem %s", &socket_mem))
1211 else if (unformat (input, "no-pci"))
1214 tmp = format (0, "--no-pci%c", 0);
1215 vec_add1 (conf->eal_init_args, tmp);
1219 else if (unformat(input, #a)) \
1221 tmp = format (0, "--%s%c", #a, 0); \
1222 vec_add1 (conf->eal_init_args, tmp); \
1224 foreach_eal_double_hyphen_predicate_arg
1227 else if (unformat(input, #a " %s", &s)) \
1229 if (!strncmp(#a, "huge-dir", 8)) \
1231 else if (!strncmp(#a, "file-prefix", 11)) \
1233 tmp = format (0, "--%s%c", #a, 0); \
1234 vec_add1 (conf->eal_init_args, tmp); \
1236 if (!strncmp(#a, "vdev", 4)) \
1237 if (strstr((char*)s, "af_packet")) \
1238 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1239 vec_add1 (conf->eal_init_args, s); \
1241 foreach_eal_double_hyphen_arg
1244 else if (unformat(input, #a " %s", &s)) \
1246 tmp = format (0, "-%s%c", #b, 0); \
1247 vec_add1 (conf->eal_init_args, tmp); \
1249 vec_add1 (conf->eal_init_args, s); \
1251 foreach_eal_single_hyphen_arg
1254 else if (unformat(input, #a " %s", &s)) \
1256 tmp = format (0, "-%s%c", #b, 0); \
1257 vec_add1 (conf->eal_init_args, tmp); \
1259 vec_add1 (conf->eal_init_args, s); \
1260 conf->a##_set_manually = 1; \
1262 foreach_eal_single_hyphen_mandatory_arg
1264 else if (unformat (input, "default"))
1267 else if (unformat_skip_white_space (input))
1271 error = clib_error_return (0, "unknown input `%U'",
1272 format_unformat_error, input);
1277 if (!conf->uio_driver_name)
1278 conf->uio_driver_name = format (0, "auto%c", 0);
1281 * Use 1G huge pages if available.
1283 if (!no_huge && !huge_dir)
1285 u32 x, *mem_by_socket = 0;
1289 umount ((char *) huge_dir_path);
1291 /* Process "socket-mem" parameter value */
1292 if (vec_len (socket_mem))
1294 unformat_input_t in;
1295 unformat_init_vector (&in, socket_mem);
1296 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1298 if (unformat (&in, "%u,", &x))
1300 else if (unformat (&in, "%u", &x))
1302 else if (unformat (&in, ","))
1307 vec_add1 (mem_by_socket, x);
1309 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1310 unformat_free (&in);
1316 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1318 vec_validate(mem_by_socket, c);
1319 mem_by_socket[c] = 64; /* default per-socket mem */
1325 uword default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1327 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1331 vec_validate(mem_by_socket, c);
1332 n_pages = round_pow2 ((uword) mem_by_socket[c]<<20,
1333 default_hugepage_sz);
1334 n_pages /= default_hugepage_sz;
1336 if ((e = clib_sysfs_prealloc_hugepages(c, 0, n_pages)))
1337 clib_error_report (e);
1341 if (mem_by_socket == 0)
1343 error = clib_error_return (0, "mem_by_socket NULL");
1346 _vec_len (mem_by_socket) = c + 1;
1348 /* regenerate socket_mem string */
1349 vec_foreach_index (x, mem_by_socket)
1350 socket_mem = format (socket_mem, "%s%u",
1351 socket_mem ? "," : "", mem_by_socket[x]);
1352 socket_mem = format (socket_mem, "%c", 0);
1354 vec_free (mem_by_socket);
1356 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1362 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1366 error = clib_error_return (0, "mount failed %d", errno);
1370 tmp = format (0, "--huge-dir%c", 0);
1371 vec_add1 (conf->eal_init_args, tmp);
1372 tmp = format (0, "%s%c", huge_dir_path, 0);
1373 vec_add1 (conf->eal_init_args, tmp);
1376 tmp = format (0, "--file-prefix%c", 0);
1377 vec_add1 (conf->eal_init_args, tmp);
1378 tmp = format (0, "vpp%c", 0);
1379 vec_add1 (conf->eal_init_args, tmp);
1386 /* I'll bet that -c and -n must be the first and second args... */
1387 if (!conf->coremask_set_manually)
1389 vlib_thread_registration_t *tr;
1390 uword *coremask = 0;
1393 /* main thread core */
1394 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1396 for (i = 0; i < vec_len (tm->registrations); i++)
1398 tr = tm->registrations[i];
1399 coremask = clib_bitmap_or (coremask, tr->coremask);
1402 vec_insert (conf->eal_init_args, 2, 1);
1403 conf->eal_init_args[1] = (u8 *) "-c";
1404 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1405 conf->eal_init_args[2] = tmp;
1406 clib_bitmap_free (coremask);
1409 if (!conf->nchannels_set_manually)
1411 vec_insert (conf->eal_init_args, 2, 3);
1412 conf->eal_init_args[3] = (u8 *) "-n";
1413 tmp = format (0, "%d", conf->nchannels);
1414 conf->eal_init_args[4] = tmp;
1417 if (no_pci == 0 && geteuid () == 0)
1418 dpdk_bind_devices_to_uio (conf);
1421 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1422 devconf->x = conf->default_devconf.x ;
1425 pool_foreach (devconf, conf->dev_confs, ({
1427 /* default per-device config items */
1428 foreach_dpdk_device_config_item
1430 /* add DPDK EAL whitelist/blacklist entry */
1431 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1433 tmp = format (0, "-w%c", 0);
1434 vec_add1 (conf->eal_init_args, tmp);
1435 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1436 vec_add1 (conf->eal_init_args, tmp);
1438 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1440 tmp = format (0, "-b%c", 0);
1441 vec_add1 (conf->eal_init_args, tmp);
1442 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1443 vec_add1 (conf->eal_init_args, tmp);
1450 /* set master-lcore */
1451 tmp = format (0, "--master-lcore%c", 0);
1452 vec_add1 (conf->eal_init_args, tmp);
1453 tmp = format (0, "%u%c", tm->main_lcore, 0);
1454 vec_add1 (conf->eal_init_args, tmp);
1456 /* set socket-mem */
1459 tmp = format (0, "--socket-mem%c", 0);
1460 vec_add1 (conf->eal_init_args, tmp);
1461 tmp = format (0, "%s%c", socket_mem, 0);
1462 vec_add1 (conf->eal_init_args, tmp);
1465 /* NULL terminate the "argv" vector, in case of stupidity */
1466 vec_add1 (conf->eal_init_args, 0);
1467 _vec_len (conf->eal_init_args) -= 1;
1469 /* Set up DPDK eal and packet mbuf pool early. */
1471 rte_log_set_global_level (log_level);
1472 int log_fds[2] = { 0 };
1473 if (pipe (log_fds) == 0)
1475 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1477 FILE *f = fdopen (log_fds[1], "a");
1478 if (f && rte_openlog_stream (f) == 0)
1480 clib_file_t t = { 0 };
1481 t.read_function = dpdk_log_read_ready;
1482 t.file_descriptor = log_fds[0];
1483 t.description = format (0, "DPDK logging pipe");
1484 clib_file_add (&file_main, &t);
1494 vm = vlib_get_main ();
1496 /* make copy of args as rte_eal_init tends to mess up with arg array */
1497 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1498 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1499 conf->eal_init_args[i]);
1501 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1502 ret = rte_eal_init (vec_len (conf->eal_init_args),
1503 (char **) conf->eal_init_args);
1505 /* lazy umount hugepages */
1506 umount2 ((char *) huge_dir_path, MNT_DETACH);
1507 rmdir ((char *) huge_dir_path);
1508 vec_free (huge_dir_path);
1511 return clib_error_return (0, "rte_eal_init returned %d", ret);
1513 /* set custom ring memory allocator */
1515 struct rte_mempool_ops *ops = NULL;
1517 ops = get_ops_by_name ("ring_sp_sc");
1518 ops->alloc = dpdk_ring_alloc;
1520 ops = get_ops_by_name ("ring_mp_sc");
1521 ops->alloc = dpdk_ring_alloc;
1523 ops = get_ops_by_name ("ring_sp_mc");
1524 ops->alloc = dpdk_ring_alloc;
1526 ops = get_ops_by_name ("ring_mp_mc");
1527 ops->alloc = dpdk_ring_alloc;
1530 /* main thread 1st */
1531 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1535 for (i = 0; i < RTE_MAX_LCORE; i++)
1537 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1538 rte_lcore_to_socket_id (i));
1547 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1550 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1552 vnet_main_t *vnm = vnet_get_main ();
1553 struct rte_eth_link prev_link = xd->link;
1555 u8 hw_flags_chg = 0;
1557 /* only update link state for PMD interfaces */
1558 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1561 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1562 clib_memset (&xd->link, 0, sizeof (xd->link));
1563 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1565 if (LINK_STATE_ELOGS)
1567 vlib_main_t *vm = vlib_get_main ();
1568 ELOG_TYPE_DECLARE (e) =
1571 "update-link-state: sw_if_index %d, admin_up %d,"
1572 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1581 ed = ELOG_DATA (&vm->elog_main, e);
1582 ed->sw_if_index = xd->sw_if_index;
1583 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1584 ed->old_link_state = (u8)
1585 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1586 ed->new_link_state = (u8) xd->link.link_status;
1589 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1590 && ((xd->link.link_status != 0) ^
1591 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1594 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1597 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1600 switch (xd->link.link_duplex)
1602 case ETH_LINK_HALF_DUPLEX:
1603 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1605 case ETH_LINK_FULL_DUPLEX:
1606 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1612 if (xd->link.link_speed != prev_link.link_speed)
1613 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1614 xd->link.link_speed * 1000);
1618 if (LINK_STATE_ELOGS)
1620 vlib_main_t *vm = vlib_get_main ();
1622 ELOG_TYPE_DECLARE (e) =
1625 "update-link-state: sw_if_index %d, new flags %d",.format_args
1633 ed = ELOG_DATA (&vm->elog_main, e);
1634 ed->sw_if_index = xd->sw_if_index;
1635 ed->flags = hw_flags;
1637 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1642 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1644 clib_error_t *error;
1645 vnet_main_t *vnm = vnet_get_main ();
1646 dpdk_main_t *dm = &dpdk_main;
1647 ethernet_main_t *em = ðernet_main;
1649 vlib_thread_main_t *tm = vlib_get_thread_main ();
1653 error = dpdk_lib_init (dm);
1656 clib_error_report (error);
1658 tm->worker_thread_release = 1;
1660 f64 now = vlib_time_now (vm);
1661 vec_foreach (xd, dm->devices)
1663 dpdk_update_link_state (xd, now);
1668 * Extra set up for bond interfaces:
1669 * 1. Setup MACs for bond interfaces and their slave links which was set
1670 * in dpdk_device_setup() but needs to be done again here to take
1672 * 2. Set up info and register slave link state change callback handling.
1673 * 3. Set up info for bond interface related CLI support.
1675 int nports = rte_eth_dev_count_avail ();
1679 RTE_ETH_FOREACH_DEV(i)
1682 for (j = 0; j < nports; j++)
1684 if (dm->devices[j].port_id == i)
1686 xd = &dm->devices[j];
1689 if (xd != NULL && xd->pmd == VNET_DPDK_PMD_BOND)
1692 dpdk_portid_t slink[16];
1693 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1696 vnet_hw_interface_t *bhi;
1697 ethernet_interface_t *bei;
1700 /* Get MAC of 1st slave link */
1702 (slink[0], (struct ether_addr *) addr);
1704 /* Set MAC of bounded interface to that of 1st slave link */
1705 dpdk_log_info ("Set MAC for bond port %d BondEthernet%d",
1706 i, xd->bond_instance_num);
1707 rv = rte_eth_bond_mac_address_set
1708 (i, (struct ether_addr *) addr);
1710 dpdk_log_warn ("Set MAC addr failure rv=%d", rv);
1712 /* Populate MAC of bonded interface in VPP hw tables */
1713 bhi = vnet_get_hw_interface
1714 (vnm, dm->devices[i].hw_if_index);
1715 bei = pool_elt_at_index
1716 (em->interfaces, bhi->hw_instance);
1717 clib_memcpy (bhi->hw_address, addr, 6);
1718 clib_memcpy (bei->address, addr, 6);
1720 /* Init l3 packet size allowed on bonded interface */
1721 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1723 { /* for all slave links */
1724 int slave = slink[--nlink];
1725 dpdk_device_t *sdev = &dm->devices[slave];
1726 vnet_hw_interface_t *shi;
1727 vnet_sw_interface_t *ssi;
1728 ethernet_interface_t *sei;
1729 /* Add MAC to all slave links except the first one */
1732 dpdk_log_info ("Add MAC for slave port %d",
1734 rv = rte_eth_dev_mac_addr_add
1735 (slave, (struct ether_addr *) addr, 0);
1737 dpdk_log_warn ("Add MAC addr failure rv=%d",
1740 /* Setup slave link state change callback handling */
1741 rte_eth_dev_callback_register
1742 (slave, RTE_ETH_EVENT_INTR_LSC,
1743 dpdk_port_state_callback, NULL);
1744 dpdk_device_t *sxd = &dm->devices[slave];
1745 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1747 /* Set slaves bitmap for bonded interface */
1748 bhi->bond_info = clib_bitmap_set
1749 (bhi->bond_info, sdev->hw_if_index, 1);
1750 /* Set MACs and slave link flags on slave interface */
1751 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1752 ssi = vnet_get_sw_interface (vnm, sdev->sw_if_index);
1753 sei = pool_elt_at_index
1754 (em->interfaces, shi->hw_instance);
1755 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1756 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1757 clib_memcpy (shi->hw_address, addr, 6);
1758 clib_memcpy (sei->address, addr, 6);
1759 /* Set l3 packet size allowed as the lowest of slave */
1760 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1761 bhi->max_packet_bytes = shi->max_packet_bytes;
1773 * check each time through the loop in case intervals are changed
1775 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1776 dm->link_state_poll_interval : dm->stat_poll_interval;
1778 vlib_process_wait_for_event_or_clock (vm, min_wait);
1780 if (dm->admin_up_down_in_progress)
1781 /* skip the poll if an admin up down is in progress (on any interface) */
1784 vec_foreach (xd, dm->devices)
1786 f64 now = vlib_time_now (vm);
1787 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1788 dpdk_update_counters (xd, now);
1789 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1790 dpdk_update_link_state (xd, now);
1799 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1800 .function = dpdk_process,
1801 .type = VLIB_NODE_TYPE_PROCESS,
1802 .name = "dpdk-process",
1803 .process_log2_n_stack_bytes = 17,
1807 static clib_error_t *
1808 dpdk_init (vlib_main_t * vm)
1810 dpdk_main_t *dm = &dpdk_main;
1811 clib_error_t *error = 0;
1813 /* verify that structs are cacheline aligned */
1814 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1815 "Cache line marker must be 1st element in dpdk_device_t");
1816 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1817 CLIB_CACHE_LINE_BYTES,
1818 "Data in cache line 0 is bigger than cache line size");
1819 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1820 "Cache line marker must be 1st element in frame_queue_trace_t");
1821 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1822 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1825 dm->vnet_main = vnet_get_main ();
1826 dm->conf = &dpdk_config_main;
1828 dm->conf->nchannels = 4;
1829 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1830 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1832 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1833 dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID |
1834 VLIB_BUFFER_EXT_HDR_VALID |
1835 VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1836 VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
1838 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1839 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1842 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1845 dm->log_default = vlib_log_register_class ("dpdk", 0);
1850 VLIB_INIT_FUNCTION (dpdk_init);
1854 * fd.io coding-style-patch-verification: ON
1857 * eval: (c-set-style "gnu")