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;
510 if (dm->conf->no_tx_checksum_offload == 0)
512 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
513 xd->tx_conf.txq_flags &= ~(ETH_TXQ_FLAGS_NOXSUMUDP |
514 ETH_TXQ_FLAGS_NOXSUMTCP);
516 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
517 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
520 DPDK_DEVICE_FLAG_TX_OFFLOAD;
524 case VNET_DPDK_PMD_ENA:
525 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
526 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
527 xd->port_conf.rxmode.enable_scatter = 0;
529 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
533 case VNET_DPDK_PMD_DPAA2:
534 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
538 case VNET_DPDK_PMD_ENIC:
539 if (l.link_speed == 40000)
540 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
542 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
545 /* Intel Red Rock Canyon */
546 case VNET_DPDK_PMD_FM10K:
547 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
548 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
549 xd->port_conf.rxmode.hw_strip_crc = 1;
550 #elif RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
551 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
556 case VNET_DPDK_PMD_VIRTIO:
557 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
558 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
559 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
563 case VNET_DPDK_PMD_VMXNET3:
564 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
565 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
566 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
568 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
572 case VNET_DPDK_PMD_AF_PACKET:
573 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
574 xd->af_packet_instance_num = af_packet_instance_num++;
577 case VNET_DPDK_PMD_BOND:
578 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
579 xd->bond_instance_num = bond_ether_instance_num++;
582 case VNET_DPDK_PMD_VIRTIO_USER:
583 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
586 case VNET_DPDK_PMD_VHOST_ETHER:
587 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
590 case VNET_DPDK_PMD_LIOVF_ETHER:
591 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
594 case VNET_DPDK_PMD_FAILSAFE:
595 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
596 xd->port_conf.intr_conf.lsc = 1;
599 case VNET_DPDK_PMD_NETVSC:
600 xd->port_type = port_type_from_link_speed (l.link_speed);
604 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
607 if (devconf->num_rx_desc)
608 xd->nb_rx_desc = devconf->num_rx_desc;
610 if (devconf->num_tx_desc)
611 xd->nb_tx_desc = devconf->num_tx_desc;
614 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
616 f64 now = vlib_time_now (vm);
618 rnd = (u32) (now * 1e6);
619 rnd = random_u32 (&rnd);
620 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
625 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
627 if (xd->tx_q_used < tm->n_vlib_mains)
628 dpdk_device_lock_init (xd);
631 xd->device_index = xd - dm->devices;
632 xd->per_interface_next_index = ~0;
634 /* assign interface to input thread */
637 if (devconf->hqos_enabled)
639 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
642 if (devconf->hqos.hqos_thread_valid)
644 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
645 return clib_error_return (0, "invalid HQoS thread index");
647 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
651 if (dm->hqos_cpu_count == 0)
652 return clib_error_return (0, "no HQoS threads available");
654 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
657 if (next_hqos_cpu == dm->hqos_cpu_count)
660 devconf->hqos.hqos_thread_valid = 1;
661 devconf->hqos.hqos_thread = cpu;
664 dpdk_device_and_queue_t *dq;
665 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
666 dq->device = xd->device_index;
670 /* count the number of descriptors used for this device */
671 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
673 error = ethernet_register_interface
674 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
675 /* ethernet address */ addr,
676 &xd->hw_if_index, dpdk_flag_change);
681 * Ensure default mtu is not > the mtu read from the hardware.
682 * Otherwise rte_eth_dev_configure() will fail and the port will
684 * Calculate max_frame_size and mtu supported by NIC
686 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
689 * This device does not support the platforms's max frame
690 * size. Use it's advertised mru instead.
692 max_rx_frame = dev_info.max_rx_pktlen;
693 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
697 /* VPP treats MTU and max_rx_pktlen both equal to
698 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
699 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
701 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
702 sizeof (ethernet_header_t)))
704 mtu = ETHERNET_MAX_PACKET_BYTES;
705 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
708 * Some platforms do not account for Ethernet FCS (4 bytes) in
709 * MTU calculations. To interop with them increase mru but only
710 * if the device's settings can support it.
712 if (dpdk_port_crc_strip_enabled (xd) &&
713 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
714 sizeof (ethernet_header_t) +
722 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
723 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
725 if (dpdk_port_crc_strip_enabled (xd) &&
726 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
733 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
735 /* failsafe device numerables are reported with active device only,
736 * need to query the mtu for current device setup to overwrite
740 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
743 max_rx_frame = mtu + sizeof (ethernet_header_t);
745 if (dpdk_port_crc_strip_enabled (xd))
752 /*Set port rxmode config */
753 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
755 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
756 xd->sw_if_index = sw->sw_if_index;
757 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
758 dpdk_input_node.index);
760 if (devconf->workers)
764 clib_bitmap_foreach (i, devconf->workers, ({
765 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
766 vdm->first_worker_thread_index + i);
770 for (q = 0; q < xd->rx_q_used; q++)
772 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
776 /*Get vnet hardware interface */
777 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
779 /*Override default max_packet_bytes and max_supported_bytes set in
780 * ethernet_register_interface() above*/
783 hi->max_packet_bytes = mtu;
784 hi->max_supported_packet_bytes = max_rx_frame;
787 if (dm->conf->no_tx_checksum_offload == 0)
788 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
789 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
791 dpdk_device_setup (xd);
793 if (vec_len (xd->errors))
794 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
795 format_dpdk_device_name, i,
796 format_dpdk_device_errors, xd);
798 if (devconf->hqos_enabled)
801 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
807 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
808 * specified otherwise in the startup config.
809 * For other NICs default to VLAN strip disabled, unless specified
810 * otherwise in the startup config.
812 if (xd->pmd == VNET_DPDK_PMD_ENIC)
814 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
815 vlan_strip = 1; /* remove vlan tag from VIC port by default */
817 dpdk_log_warn ("VLAN strip disabled for interface\n");
819 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
825 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
826 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
827 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
828 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
831 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
833 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
835 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) == 0)
836 dpdk_log_info ("VLAN strip enabled for interface\n");
838 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
842 hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
843 - sizeof (ethernet_header_t);
845 clib_warning ("hi NULL");
847 if (dm->conf->no_multi_seg)
848 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
850 rte_eth_dev_set_mtu (xd->port_id, mtu);
854 if (nb_desc > dm->conf->num_mbufs)
855 dpdk_log_err ("%d mbufs allocated but total rx/tx ring size is %d\n",
856 dm->conf->num_mbufs, nb_desc);
862 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
864 vlib_main_t *vm = vlib_get_main ();
867 int num_whitelisted = vec_len (conf->dev_confs);
868 vlib_pci_device_info_t *d = 0;
869 vlib_pci_addr_t *addr = 0, *addrs;
871 addrs = vlib_pci_get_all_dev_addrs ();
873 vec_foreach (addr, addrs)
875 dpdk_device_config_t * devconf = 0;
876 vec_reset_length (pci_addr);
877 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
880 vlib_pci_free_device_info (d);
883 d = vlib_pci_get_device_info (vm, addr, &error);
886 clib_error_report (error);
890 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
895 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
900 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
904 if (d->vendor_id == 0x1af4 &&
905 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
906 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
909 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
912 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
913 * the default is to put it in the blacklist.
917 pool_get (conf->dev_confs, devconf);
918 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
919 devconf - conf->dev_confs);
920 devconf->pci_addr.as_u32 = addr->as_u32;
921 devconf->is_blacklisted = 1;
924 /* all Intel network devices */
925 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
927 /* all Intel QAT devices VFs */
928 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
929 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
932 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
935 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
937 /* Amazen Elastic Network Adapter */
938 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
940 /* Cavium Network Adapter */
941 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
943 /* Cavium FastlinQ QL41000 Series */
944 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
947 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
952 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
958 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
959 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
964 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
970 pool_get (conf->dev_confs, devconf);
971 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
972 devconf - conf->dev_confs);
973 devconf->pci_addr.as_u32 = addr->as_u32;
975 devconf->is_blacklisted = 1;
976 clib_error_report (error);
981 vlib_pci_free_device_info (d);
984 static clib_error_t *
985 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
986 unformat_input_t * input, u8 is_default)
988 clib_error_t *error = 0;
990 dpdk_device_config_t *devconf;
991 unformat_input_t sub_input;
995 devconf = &conf->default_devconf;
999 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
1003 pool_get (conf->dev_confs, devconf);
1004 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
1005 devconf - conf->dev_confs);
1008 return clib_error_return (0,
1009 "duplicate configuration for PCI address %U",
1010 format_vlib_pci_addr, &pci_addr);
1013 devconf->pci_addr.as_u32 = pci_addr.as_u32;
1014 devconf->hqos_enabled = 0;
1015 dpdk_device_config_hqos_default (&devconf->hqos);
1020 unformat_skip_white_space (input);
1021 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1023 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1025 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1027 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1029 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1031 else if (unformat (input, "workers %U", unformat_bitmap_list,
1036 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1038 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1042 else if (unformat (input, "vlan-strip-offload off"))
1043 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
1044 else if (unformat (input, "vlan-strip-offload on"))
1045 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
1048 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
1050 devconf->hqos_enabled = 1;
1051 error = unformat_hqos (&sub_input, &devconf->hqos);
1055 else if (unformat (input, "hqos"))
1057 devconf->hqos_enabled = 1;
1061 error = clib_error_return (0, "unknown input `%U'",
1062 format_unformat_error, input);
1070 if (devconf->workers && devconf->num_rx_queues == 0)
1071 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1072 else if (devconf->workers &&
1073 clib_bitmap_count_set_bits (devconf->workers) !=
1074 devconf->num_rx_queues)
1076 clib_error_return (0,
1077 "%U: number of worker threads must be "
1078 "equal to number of rx queues", format_vlib_pci_addr,
1084 static clib_error_t *
1085 dpdk_log_read_ready (clib_file_t * uf)
1087 unformat_input_t input;
1094 uword len = vec_len (s);
1095 vec_resize (s, len + n_try);
1097 n = read (uf->file_descriptor, s + len, n_try);
1098 if (n < 0 && errno != EAGAIN)
1099 return clib_error_return_unix (0, "read");
1100 _vec_len (s) = len + (n < 0 ? 0 : n);
1103 unformat_init_vector (&input, s);
1105 while (unformat_user (&input, unformat_line, &line))
1107 dpdk_log_notice ("%v", line);
1111 unformat_free (&input);
1115 static clib_error_t *
1116 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1118 clib_error_t *error = 0;
1119 dpdk_config_main_t *conf = &dpdk_config_main;
1120 vlib_thread_main_t *tm = vlib_get_thread_main ();
1121 dpdk_device_config_t *devconf;
1122 vlib_pci_addr_t pci_addr;
1123 unformat_input_t sub_input;
1128 int num_whitelisted = 0;
1134 u8 *huge_dir_path = 0;
1137 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1139 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1140 log_level = RTE_LOG_NOTICE;
1142 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1144 /* Prime the pump */
1145 if (unformat (input, "no-hugetlb"))
1147 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1151 else if (unformat (input, "enable-tcp-udp-checksum"))
1152 conf->enable_tcp_udp_checksum = 1;
1154 else if (unformat (input, "no-tx-checksum-offload"))
1155 conf->no_tx_checksum_offload = 1;
1157 else if (unformat (input, "decimal-interface-names"))
1158 conf->interface_name_format_decimal = 1;
1160 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
1163 else if (unformat (input, "no-multi-seg"))
1164 conf->no_multi_seg = 1;
1166 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1170 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1178 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1179 unformat_vlib_cli_sub_input, &sub_input))
1181 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1188 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1190 error = dpdk_device_config (conf, pci_addr, 0, 0);
1197 else if (unformat (input, "num-mem-channels %d", &conf->nchannels))
1198 conf->nchannels_set_manually = 0;
1199 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1201 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1203 else if (unformat (input, "socket-mem %s", &socket_mem))
1205 else if (unformat (input, "no-pci"))
1208 tmp = format (0, "--no-pci%c", 0);
1209 vec_add1 (conf->eal_init_args, tmp);
1213 else if (unformat(input, #a)) \
1215 tmp = format (0, "--%s%c", #a, 0); \
1216 vec_add1 (conf->eal_init_args, tmp); \
1218 foreach_eal_double_hyphen_predicate_arg
1221 else if (unformat(input, #a " %s", &s)) \
1223 if (!strncmp(#a, "huge-dir", 8)) \
1225 else if (!strncmp(#a, "file-prefix", 11)) \
1227 tmp = format (0, "--%s%c", #a, 0); \
1228 vec_add1 (conf->eal_init_args, tmp); \
1230 if (!strncmp(#a, "vdev", 4)) \
1231 if (strstr((char*)s, "af_packet")) \
1232 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1233 vec_add1 (conf->eal_init_args, s); \
1235 foreach_eal_double_hyphen_arg
1238 else if (unformat(input, #a " %s", &s)) \
1240 tmp = format (0, "-%s%c", #b, 0); \
1241 vec_add1 (conf->eal_init_args, tmp); \
1243 vec_add1 (conf->eal_init_args, s); \
1245 foreach_eal_single_hyphen_arg
1248 else if (unformat(input, #a " %s", &s)) \
1250 tmp = format (0, "-%s%c", #b, 0); \
1251 vec_add1 (conf->eal_init_args, tmp); \
1253 vec_add1 (conf->eal_init_args, s); \
1254 conf->a##_set_manually = 1; \
1256 foreach_eal_single_hyphen_mandatory_arg
1258 else if (unformat (input, "default"))
1261 else if (unformat_skip_white_space (input))
1265 error = clib_error_return (0, "unknown input `%U'",
1266 format_unformat_error, input);
1271 if (!conf->uio_driver_name)
1272 conf->uio_driver_name = format (0, "auto%c", 0);
1275 * Use 1G huge pages if available.
1277 if (!no_huge && !huge_dir)
1279 u32 x, *mem_by_socket = 0;
1283 umount ((char *) huge_dir_path);
1285 /* Process "socket-mem" parameter value */
1286 if (vec_len (socket_mem))
1288 unformat_input_t in;
1289 unformat_init_vector (&in, socket_mem);
1290 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1292 if (unformat (&in, "%u,", &x))
1294 else if (unformat (&in, "%u", &x))
1296 else if (unformat (&in, ","))
1301 vec_add1 (mem_by_socket, x);
1303 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1304 unformat_free (&in);
1310 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1312 vec_validate(mem_by_socket, c);
1313 mem_by_socket[c] = 64; /* default per-socket mem */
1319 uword default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1321 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1325 vec_validate(mem_by_socket, c);
1326 n_pages = round_pow2 ((uword) mem_by_socket[c]<<20,
1327 default_hugepage_sz);
1328 n_pages /= default_hugepage_sz;
1330 if ((e = clib_sysfs_prealloc_hugepages(c, 0, n_pages)))
1331 clib_error_report (e);
1335 if (mem_by_socket == 0)
1337 error = clib_error_return (0, "mem_by_socket NULL");
1340 _vec_len (mem_by_socket) = c + 1;
1342 /* regenerate socket_mem string */
1343 vec_foreach_index (x, mem_by_socket)
1344 socket_mem = format (socket_mem, "%s%u",
1345 socket_mem ? "," : "", mem_by_socket[x]);
1346 socket_mem = format (socket_mem, "%c", 0);
1348 vec_free (mem_by_socket);
1350 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1356 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1360 error = clib_error_return (0, "mount failed %d", errno);
1364 tmp = format (0, "--huge-dir%c", 0);
1365 vec_add1 (conf->eal_init_args, tmp);
1366 tmp = format (0, "%s%c", huge_dir_path, 0);
1367 vec_add1 (conf->eal_init_args, tmp);
1370 tmp = format (0, "--file-prefix%c", 0);
1371 vec_add1 (conf->eal_init_args, tmp);
1372 tmp = format (0, "vpp%c", 0);
1373 vec_add1 (conf->eal_init_args, tmp);
1380 /* I'll bet that -c and -n must be the first and second args... */
1381 if (!conf->coremask_set_manually)
1383 vlib_thread_registration_t *tr;
1384 uword *coremask = 0;
1387 /* main thread core */
1388 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1390 for (i = 0; i < vec_len (tm->registrations); i++)
1392 tr = tm->registrations[i];
1393 coremask = clib_bitmap_or (coremask, tr->coremask);
1396 vec_insert (conf->eal_init_args, 2, 1);
1397 conf->eal_init_args[1] = (u8 *) "-c";
1398 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1399 conf->eal_init_args[2] = tmp;
1400 clib_bitmap_free (coremask);
1403 if (!conf->nchannels_set_manually)
1405 vec_insert (conf->eal_init_args, 2, 3);
1406 conf->eal_init_args[3] = (u8 *) "-n";
1407 tmp = format (0, "%d", conf->nchannels);
1408 conf->eal_init_args[4] = tmp;
1411 if (no_pci == 0 && geteuid () == 0)
1412 dpdk_bind_devices_to_uio (conf);
1415 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1416 devconf->x = conf->default_devconf.x ;
1419 pool_foreach (devconf, conf->dev_confs, ({
1421 /* default per-device config items */
1422 foreach_dpdk_device_config_item
1424 /* add DPDK EAL whitelist/blacklist entry */
1425 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1427 tmp = format (0, "-w%c", 0);
1428 vec_add1 (conf->eal_init_args, tmp);
1429 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1430 vec_add1 (conf->eal_init_args, tmp);
1432 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1434 tmp = format (0, "-b%c", 0);
1435 vec_add1 (conf->eal_init_args, tmp);
1436 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1437 vec_add1 (conf->eal_init_args, tmp);
1444 /* set master-lcore */
1445 tmp = format (0, "--master-lcore%c", 0);
1446 vec_add1 (conf->eal_init_args, tmp);
1447 tmp = format (0, "%u%c", tm->main_lcore, 0);
1448 vec_add1 (conf->eal_init_args, tmp);
1450 /* set socket-mem */
1453 tmp = format (0, "--socket-mem%c", 0);
1454 vec_add1 (conf->eal_init_args, tmp);
1455 tmp = format (0, "%s%c", socket_mem, 0);
1456 vec_add1 (conf->eal_init_args, tmp);
1459 /* NULL terminate the "argv" vector, in case of stupidity */
1460 vec_add1 (conf->eal_init_args, 0);
1461 _vec_len (conf->eal_init_args) -= 1;
1463 /* Set up DPDK eal and packet mbuf pool early. */
1465 rte_log_set_global_level (log_level);
1466 int log_fds[2] = { 0 };
1467 if (pipe (log_fds) == 0)
1469 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1471 FILE *f = fdopen (log_fds[1], "a");
1472 if (f && rte_openlog_stream (f) == 0)
1474 clib_file_t t = { 0 };
1475 t.read_function = dpdk_log_read_ready;
1476 t.file_descriptor = log_fds[0];
1477 t.description = format (0, "DPDK logging pipe");
1478 clib_file_add (&file_main, &t);
1488 vm = vlib_get_main ();
1490 /* make copy of args as rte_eal_init tends to mess up with arg array */
1491 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1492 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1493 conf->eal_init_args[i]);
1495 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1496 ret = rte_eal_init (vec_len (conf->eal_init_args),
1497 (char **) conf->eal_init_args);
1499 /* lazy umount hugepages */
1500 umount2 ((char *) huge_dir_path, MNT_DETACH);
1501 rmdir ((char *) huge_dir_path);
1502 vec_free (huge_dir_path);
1505 return clib_error_return (0, "rte_eal_init returned %d", ret);
1507 /* set custom ring memory allocator */
1509 struct rte_mempool_ops *ops = NULL;
1511 ops = get_ops_by_name ("ring_sp_sc");
1512 ops->alloc = dpdk_ring_alloc;
1514 ops = get_ops_by_name ("ring_mp_sc");
1515 ops->alloc = dpdk_ring_alloc;
1517 ops = get_ops_by_name ("ring_sp_mc");
1518 ops->alloc = dpdk_ring_alloc;
1520 ops = get_ops_by_name ("ring_mp_mc");
1521 ops->alloc = dpdk_ring_alloc;
1524 /* main thread 1st */
1525 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1529 for (i = 0; i < RTE_MAX_LCORE; i++)
1531 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1532 rte_lcore_to_socket_id (i));
1541 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1544 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1546 vnet_main_t *vnm = vnet_get_main ();
1547 struct rte_eth_link prev_link = xd->link;
1549 u8 hw_flags_chg = 0;
1551 /* only update link state for PMD interfaces */
1552 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1555 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1556 clib_memset (&xd->link, 0, sizeof (xd->link));
1557 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1559 if (LINK_STATE_ELOGS)
1561 vlib_main_t *vm = vlib_get_main ();
1562 ELOG_TYPE_DECLARE (e) =
1565 "update-link-state: sw_if_index %d, admin_up %d,"
1566 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1575 ed = ELOG_DATA (&vm->elog_main, e);
1576 ed->sw_if_index = xd->sw_if_index;
1577 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1578 ed->old_link_state = (u8)
1579 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1580 ed->new_link_state = (u8) xd->link.link_status;
1583 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1584 && ((xd->link.link_status != 0) ^
1585 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1588 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1591 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1594 switch (xd->link.link_duplex)
1596 case ETH_LINK_HALF_DUPLEX:
1597 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1599 case ETH_LINK_FULL_DUPLEX:
1600 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1606 if (xd->link.link_speed != prev_link.link_speed)
1607 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1608 xd->link.link_speed * 1000);
1612 if (LINK_STATE_ELOGS)
1614 vlib_main_t *vm = vlib_get_main ();
1616 ELOG_TYPE_DECLARE (e) =
1619 "update-link-state: sw_if_index %d, new flags %d",.format_args
1627 ed = ELOG_DATA (&vm->elog_main, e);
1628 ed->sw_if_index = xd->sw_if_index;
1629 ed->flags = hw_flags;
1631 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1636 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1638 clib_error_t *error;
1639 vnet_main_t *vnm = vnet_get_main ();
1640 dpdk_main_t *dm = &dpdk_main;
1641 ethernet_main_t *em = ðernet_main;
1643 vlib_thread_main_t *tm = vlib_get_thread_main ();
1647 error = dpdk_lib_init (dm);
1650 clib_error_report (error);
1652 tm->worker_thread_release = 1;
1654 f64 now = vlib_time_now (vm);
1655 vec_foreach (xd, dm->devices)
1657 dpdk_update_link_state (xd, now);
1662 * Extra set up for bond interfaces:
1663 * 1. Setup MACs for bond interfaces and their slave links which was set
1664 * in dpdk_device_setup() but needs to be done again here to take
1666 * 2. Set up info and register slave link state change callback handling.
1667 * 3. Set up info for bond interface related CLI support.
1669 int nports = rte_eth_dev_count_avail ();
1673 RTE_ETH_FOREACH_DEV(i)
1676 for (j = 0; j < nports; j++)
1678 if (dm->devices[j].port_id == i)
1680 xd = &dm->devices[j];
1683 if (xd != NULL && xd->pmd == VNET_DPDK_PMD_BOND)
1686 dpdk_portid_t slink[16];
1687 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1690 vnet_hw_interface_t *bhi;
1691 ethernet_interface_t *bei;
1694 /* Get MAC of 1st slave link */
1696 (slink[0], (struct ether_addr *) addr);
1698 /* Set MAC of bounded interface to that of 1st slave link */
1699 dpdk_log_info ("Set MAC for bond port %d BondEthernet%d",
1700 i, xd->bond_instance_num);
1701 rv = rte_eth_bond_mac_address_set
1702 (i, (struct ether_addr *) addr);
1704 dpdk_log_warn ("Set MAC addr failure rv=%d", rv);
1706 /* Populate MAC of bonded interface in VPP hw tables */
1707 bhi = vnet_get_hw_interface
1708 (vnm, dm->devices[i].hw_if_index);
1709 bei = pool_elt_at_index
1710 (em->interfaces, bhi->hw_instance);
1711 clib_memcpy (bhi->hw_address, addr, 6);
1712 clib_memcpy (bei->address, addr, 6);
1714 /* Init l3 packet size allowed on bonded interface */
1715 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1717 { /* for all slave links */
1718 int slave = slink[--nlink];
1719 dpdk_device_t *sdev = &dm->devices[slave];
1720 vnet_hw_interface_t *shi;
1721 vnet_sw_interface_t *ssi;
1722 ethernet_interface_t *sei;
1723 /* Add MAC to all slave links except the first one */
1726 dpdk_log_info ("Add MAC for slave port %d",
1728 rv = rte_eth_dev_mac_addr_add
1729 (slave, (struct ether_addr *) addr, 0);
1731 dpdk_log_warn ("Add MAC addr failure rv=%d",
1734 /* Setup slave link state change callback handling */
1735 rte_eth_dev_callback_register
1736 (slave, RTE_ETH_EVENT_INTR_LSC,
1737 dpdk_port_state_callback, NULL);
1738 dpdk_device_t *sxd = &dm->devices[slave];
1739 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1741 /* Set slaves bitmap for bonded interface */
1742 bhi->bond_info = clib_bitmap_set
1743 (bhi->bond_info, sdev->hw_if_index, 1);
1744 /* Set MACs and slave link flags on slave interface */
1745 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1746 ssi = vnet_get_sw_interface (vnm, sdev->sw_if_index);
1747 sei = pool_elt_at_index
1748 (em->interfaces, shi->hw_instance);
1749 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1750 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1751 clib_memcpy (shi->hw_address, addr, 6);
1752 clib_memcpy (sei->address, addr, 6);
1753 /* Set l3 packet size allowed as the lowest of slave */
1754 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1755 bhi->max_packet_bytes = shi->max_packet_bytes;
1767 * check each time through the loop in case intervals are changed
1769 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1770 dm->link_state_poll_interval : dm->stat_poll_interval;
1772 vlib_process_wait_for_event_or_clock (vm, min_wait);
1774 if (dm->admin_up_down_in_progress)
1775 /* skip the poll if an admin up down is in progress (on any interface) */
1778 vec_foreach (xd, dm->devices)
1780 f64 now = vlib_time_now (vm);
1781 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1782 dpdk_update_counters (xd, now);
1783 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1784 dpdk_update_link_state (xd, now);
1793 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1794 .function = dpdk_process,
1795 .type = VLIB_NODE_TYPE_PROCESS,
1796 .name = "dpdk-process",
1797 .process_log2_n_stack_bytes = 17,
1801 static clib_error_t *
1802 dpdk_init (vlib_main_t * vm)
1804 dpdk_main_t *dm = &dpdk_main;
1805 clib_error_t *error = 0;
1807 /* verify that structs are cacheline aligned */
1808 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1809 "Cache line marker must be 1st element in dpdk_device_t");
1810 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1811 CLIB_CACHE_LINE_BYTES,
1812 "Data in cache line 0 is bigger than cache line size");
1813 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1814 "Cache line marker must be 1st element in frame_queue_trace_t");
1815 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1816 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1819 dm->vnet_main = vnet_get_main ();
1820 dm->conf = &dpdk_config_main;
1822 dm->conf->nchannels = 4;
1823 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1824 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1826 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1827 dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID |
1828 VLIB_BUFFER_EXT_HDR_VALID |
1829 VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1830 VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
1832 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1833 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1836 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1839 dm->log_default = vlib_log_register_class ("dpdk", 0);
1844 VLIB_INIT_FUNCTION (dpdk_init);
1848 * fd.io coding-style-patch-verification: ON
1851 * eval: (c-set-style "gnu")