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, 11, 0, 0)
210 return ! !(xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_CRC_STRIP);
212 return !(xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC);
216 static clib_error_t *
217 dpdk_lib_init (dpdk_main_t * dm)
220 u32 mtu, max_rx_frame;
224 vlib_main_t *vm = vlib_get_main ();
225 vlib_thread_main_t *tm = vlib_get_thread_main ();
226 vnet_device_main_t *vdm = &vnet_device_main;
227 vnet_sw_interface_t *sw;
228 vnet_hw_interface_t *hi;
230 vlib_pci_addr_t last_pci_addr;
231 u32 last_pci_addr_port = 0;
232 vlib_thread_registration_t *tr_hqos;
235 u32 next_hqos_cpu = 0;
236 u8 af_packet_instance_num = 0;
237 u8 bond_ether_instance_num = 0;
238 last_pci_addr.as_u32 = ~0;
240 dm->hqos_cpu_first_index = 0;
241 dm->hqos_cpu_count = 0;
243 /* find out which cpus will be used for I/O TX */
244 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
245 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
247 if (tr_hqos && tr_hqos->count > 0)
249 dm->hqos_cpu_first_index = tr_hqos->first_index;
250 dm->hqos_cpu_count = tr_hqos->count;
253 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
254 CLIB_CACHE_LINE_BYTES);
256 nports = rte_eth_dev_count_avail ();
260 dpdk_log_notice ("DPDK drivers found no ports...");
264 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
266 if (dm->conf->enable_tcp_udp_checksum)
267 dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
268 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
270 /* vlib_buffer_t template */
271 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
272 CLIB_CACHE_LINE_BYTES);
273 for (i = 0; i < tm->n_vlib_mains; i++)
275 vlib_buffer_free_list_t *fl;
276 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
277 fl = vlib_buffer_get_free_list (vm,
278 VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
279 vlib_buffer_init_for_free_list (&ptd->buffer_template, fl);
280 ptd->buffer_template.flags = dm->buffer_flags_template;
281 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
285 RTE_ETH_FOREACH_DEV(i)
289 struct rte_eth_dev_info dev_info;
290 struct rte_pci_device *pci_dev;
291 struct rte_eth_link l;
292 dpdk_device_config_t *devconf = 0;
293 vlib_pci_addr_t pci_addr;
296 if (!rte_eth_dev_is_valid_port(i))
299 rte_eth_link_get_nowait (i, &l);
300 rte_eth_dev_info_get (i, &dev_info);
302 if (dev_info.device == 0)
304 clib_warning ("DPDK bug: missing device info. Skipping %s device",
305 dev_info.driver_name);
309 pci_dev = dpdk_get_pci_device (&dev_info);
311 if (pci_dev) /* bonded interface has no pci info */
313 pci_addr.domain = pci_dev->addr.domain;
314 pci_addr.bus = pci_dev->addr.bus;
315 pci_addr.slot = pci_dev->addr.devid;
316 pci_addr.function = pci_dev->addr.function;
317 p = hash_get (dm->conf->device_config_index_by_pci_addr,
322 /* Create vnet interface */
323 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
324 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
325 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
326 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
330 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
331 xd->name = devconf->name;
334 devconf = &dm->conf->default_devconf;
336 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
339 struct rte_eth_dev_info di = { 0 };
340 struct rte_pci_device *next_pci_dev;
341 rte_eth_dev_info_get (i + 1, &di);
342 next_pci_dev = di.device ? RTE_DEV_TO_PCI (di.device) : 0;
343 if (pci_dev && next_pci_dev &&
344 pci_addr.as_u32 != last_pci_addr.as_u32 &&
345 memcmp (&pci_dev->addr, &next_pci_dev->addr,
346 sizeof (struct rte_pci_addr)) == 0)
348 xd->interface_name_suffix = format (0, "0");
349 last_pci_addr.as_u32 = pci_addr.as_u32;
350 last_pci_addr_port = i;
352 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
354 xd->interface_name_suffix =
355 format (0, "%u", i - last_pci_addr_port);
359 last_pci_addr.as_u32 = ~0;
363 last_pci_addr.as_u32 = ~0;
365 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
366 sizeof (struct rte_eth_txconf));
368 if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
370 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
371 xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
374 if (dm->conf->no_multi_seg)
376 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
377 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
378 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
382 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
383 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
384 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
385 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
388 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
390 if (devconf->num_tx_queues > 0
391 && devconf->num_tx_queues < xd->tx_q_used)
392 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
394 if (devconf->num_rx_queues > 1
395 && dev_info.max_rx_queues >= devconf->num_rx_queues)
397 xd->rx_q_used = devconf->num_rx_queues;
398 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
399 if (devconf->rss_fn == 0)
400 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
401 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
404 u64 unsupported_bits;
405 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
406 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
407 unsupported_bits &= ~dev_info.flow_type_rss_offloads;
408 if (unsupported_bits)
409 dpdk_log_warn ("Unsupported RSS hash functions: %U",
410 format_dpdk_rss_hf_name, unsupported_bits);
412 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
413 dev_info.flow_type_rss_offloads;
418 xd->flags |= DPDK_DEVICE_FLAG_PMD;
420 /* workaround for drivers not setting driver_name */
421 if ((!dev_info.driver_name) && (pci_dev))
422 dev_info.driver_name = pci_dev->driver->driver.name;
424 ASSERT (dev_info.driver_name);
430 #define _(s,f) else if (dev_info.driver_name && \
431 !strcmp(dev_info.driver_name, s)) \
432 xd->pmd = VNET_DPDK_PMD_##f;
438 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
440 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
441 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
442 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
446 /* Drivers with valid speed_capa set */
447 case VNET_DPDK_PMD_E1000EM:
448 case VNET_DPDK_PMD_IGB:
449 case VNET_DPDK_PMD_IXGBE:
450 case VNET_DPDK_PMD_I40E:
451 xd->port_type = port_type_from_speed_capa (&dev_info);
452 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
453 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
454 VNET_FLOW_ACTION_BUFFER_ADVANCE |
455 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
457 if (dm->conf->no_tx_checksum_offload == 0)
459 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
460 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
462 DPDK_DEVICE_FLAG_TX_OFFLOAD |
463 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
468 case VNET_DPDK_PMD_CXGBE:
469 case VNET_DPDK_PMD_MLX4:
470 case VNET_DPDK_PMD_MLX5:
471 case VNET_DPDK_PMD_QEDE:
472 xd->port_type = port_type_from_speed_capa (&dev_info);
476 case VNET_DPDK_PMD_IGBVF:
477 case VNET_DPDK_PMD_IXGBEVF:
478 case VNET_DPDK_PMD_I40EVF:
479 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
480 #if RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
481 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
485 case VNET_DPDK_PMD_THUNDERX:
486 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
487 #if RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
488 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
491 if (dm->conf->no_tx_checksum_offload == 0)
493 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
494 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
495 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
499 case VNET_DPDK_PMD_ENA:
500 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
501 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
504 case VNET_DPDK_PMD_DPAA2:
505 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
509 case VNET_DPDK_PMD_ENIC:
510 if (l.link_speed == 40000)
511 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
513 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
516 /* Intel Red Rock Canyon */
517 case VNET_DPDK_PMD_FM10K:
518 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
519 #if RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
520 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
525 case VNET_DPDK_PMD_VIRTIO:
526 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
527 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
528 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
532 case VNET_DPDK_PMD_VMXNET3:
533 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
534 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
537 case VNET_DPDK_PMD_AF_PACKET:
538 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
539 xd->af_packet_instance_num = af_packet_instance_num++;
542 case VNET_DPDK_PMD_BOND:
543 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
544 xd->bond_instance_num = bond_ether_instance_num++;
547 case VNET_DPDK_PMD_VIRTIO_USER:
548 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
551 case VNET_DPDK_PMD_VHOST_ETHER:
552 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
555 case VNET_DPDK_PMD_LIOVF_ETHER:
556 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
559 case VNET_DPDK_PMD_FAILSAFE:
560 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
561 xd->port_conf.intr_conf.lsc = 1;
564 case VNET_DPDK_PMD_NETVSC:
565 xd->port_type = port_type_from_link_speed (l.link_speed);
569 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
572 if (devconf->num_rx_desc)
573 xd->nb_rx_desc = devconf->num_rx_desc;
575 if (devconf->num_tx_desc)
576 xd->nb_tx_desc = devconf->num_tx_desc;
579 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
581 f64 now = vlib_time_now (vm);
583 rnd = (u32) (now * 1e6);
584 rnd = random_u32 (&rnd);
585 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
590 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
592 if (xd->tx_q_used < tm->n_vlib_mains)
593 dpdk_device_lock_init (xd);
596 xd->device_index = xd - dm->devices;
597 xd->per_interface_next_index = ~0;
599 /* assign interface to input thread */
602 if (devconf->hqos_enabled)
604 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
607 if (devconf->hqos.hqos_thread_valid)
609 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
610 return clib_error_return (0, "invalid HQoS thread index");
612 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
616 if (dm->hqos_cpu_count == 0)
617 return clib_error_return (0, "no HQoS threads available");
619 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
622 if (next_hqos_cpu == dm->hqos_cpu_count)
625 devconf->hqos.hqos_thread_valid = 1;
626 devconf->hqos.hqos_thread = cpu;
629 dpdk_device_and_queue_t *dq;
630 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
631 dq->device = xd->device_index;
635 /* count the number of descriptors used for this device */
636 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
638 error = ethernet_register_interface
639 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
640 /* ethernet address */ addr,
641 &xd->hw_if_index, dpdk_flag_change);
646 * Ensure default mtu is not > the mtu read from the hardware.
647 * Otherwise rte_eth_dev_configure() will fail and the port will
649 * Calculate max_frame_size and mtu supported by NIC
651 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
654 * This device does not support the platforms's max frame
655 * size. Use it's advertised mru instead.
657 max_rx_frame = dev_info.max_rx_pktlen;
658 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
662 /* VPP treats MTU and max_rx_pktlen both equal to
663 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
664 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
666 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
667 sizeof (ethernet_header_t)))
669 mtu = ETHERNET_MAX_PACKET_BYTES;
670 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
673 * Some platforms do not account for Ethernet FCS (4 bytes) in
674 * MTU calculations. To interop with them increase mru but only
675 * if the device's settings can support it.
677 if (dpdk_port_crc_strip_enabled (xd) &&
678 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
679 sizeof (ethernet_header_t) +
687 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
688 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
690 if (dpdk_port_crc_strip_enabled (xd) &&
691 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
698 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
700 /* failsafe device numerables are reported with active device only,
701 * need to query the mtu for current device setup to overwrite
705 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
708 max_rx_frame = mtu + sizeof (ethernet_header_t);
710 if (dpdk_port_crc_strip_enabled (xd))
717 /*Set port rxmode config */
718 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
720 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
721 xd->sw_if_index = sw->sw_if_index;
722 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
723 dpdk_input_node.index);
725 if (devconf->workers)
729 clib_bitmap_foreach (i, devconf->workers, ({
730 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
731 vdm->first_worker_thread_index + i);
735 for (q = 0; q < xd->rx_q_used; q++)
737 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
741 /*Get vnet hardware interface */
742 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
744 /*Override default max_packet_bytes and max_supported_bytes set in
745 * ethernet_register_interface() above*/
748 hi->max_packet_bytes = mtu;
749 hi->max_supported_packet_bytes = max_rx_frame;
752 if (dm->conf->no_tx_checksum_offload == 0)
753 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
754 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
756 dpdk_device_setup (xd);
758 if (vec_len (xd->errors))
759 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
760 format_dpdk_device_name, i,
761 format_dpdk_device_errors, xd);
763 if (devconf->hqos_enabled)
766 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
772 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
773 * specified otherwise in the startup config.
774 * For other NICs default to VLAN strip disabled, unless specified
775 * otherwise in the startup config.
777 if (xd->pmd == VNET_DPDK_PMD_ENIC)
779 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
780 vlan_strip = 1; /* remove vlan tag from VIC port by default */
782 dpdk_log_warn ("VLAN strip disabled for interface\n");
784 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
790 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
791 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
793 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
795 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
796 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) == 0)
797 dpdk_log_info ("VLAN strip enabled for interface\n");
799 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
803 hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
804 - sizeof (ethernet_header_t);
806 clib_warning ("hi NULL");
808 if (dm->conf->no_multi_seg)
809 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
811 rte_eth_dev_set_mtu (xd->port_id, mtu);
815 if (nb_desc > dm->conf->num_mbufs)
816 dpdk_log_err ("%d mbufs allocated but total rx/tx ring size is %d\n",
817 dm->conf->num_mbufs, nb_desc);
823 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
825 vlib_main_t *vm = vlib_get_main ();
828 int num_whitelisted = vec_len (conf->dev_confs);
829 vlib_pci_device_info_t *d = 0;
830 vlib_pci_addr_t *addr = 0, *addrs;
832 addrs = vlib_pci_get_all_dev_addrs ();
834 vec_foreach (addr, addrs)
836 dpdk_device_config_t * devconf = 0;
837 vec_reset_length (pci_addr);
838 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
841 vlib_pci_free_device_info (d);
844 d = vlib_pci_get_device_info (vm, addr, &error);
847 clib_error_report (error);
851 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
856 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
861 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
865 if (d->vendor_id == 0x1af4 &&
866 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
867 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
870 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
873 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
874 * the default is to put it in the blacklist.
878 pool_get (conf->dev_confs, devconf);
879 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
880 devconf - conf->dev_confs);
881 devconf->pci_addr.as_u32 = addr->as_u32;
882 devconf->is_blacklisted = 1;
885 /* all Intel network devices */
886 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
888 /* all Intel QAT devices VFs */
889 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
890 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
893 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
896 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
898 /* Amazen Elastic Network Adapter */
899 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
901 /* Cavium Network Adapter */
902 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
904 /* Cavium FastlinQ QL41000 Series */
905 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
908 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
913 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
919 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
920 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
925 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
931 pool_get (conf->dev_confs, devconf);
932 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
933 devconf - conf->dev_confs);
934 devconf->pci_addr.as_u32 = addr->as_u32;
936 devconf->is_blacklisted = 1;
937 clib_error_report (error);
942 vlib_pci_free_device_info (d);
945 static clib_error_t *
946 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
947 unformat_input_t * input, u8 is_default)
949 clib_error_t *error = 0;
951 dpdk_device_config_t *devconf;
952 unformat_input_t sub_input;
956 devconf = &conf->default_devconf;
960 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
964 pool_get (conf->dev_confs, devconf);
965 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
966 devconf - conf->dev_confs);
969 return clib_error_return (0,
970 "duplicate configuration for PCI address %U",
971 format_vlib_pci_addr, &pci_addr);
974 devconf->pci_addr.as_u32 = pci_addr.as_u32;
975 devconf->hqos_enabled = 0;
976 dpdk_device_config_hqos_default (&devconf->hqos);
981 unformat_skip_white_space (input);
982 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
984 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
986 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
988 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
990 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
992 else if (unformat (input, "name %s", &devconf->name))
994 else if (unformat (input, "workers %U", unformat_bitmap_list,
999 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1001 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1005 else if (unformat (input, "vlan-strip-offload off"))
1006 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
1007 else if (unformat (input, "vlan-strip-offload on"))
1008 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
1011 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
1013 devconf->hqos_enabled = 1;
1014 error = unformat_hqos (&sub_input, &devconf->hqos);
1018 else if (unformat (input, "hqos"))
1020 devconf->hqos_enabled = 1;
1024 error = clib_error_return (0, "unknown input `%U'",
1025 format_unformat_error, input);
1033 if (devconf->workers && devconf->num_rx_queues == 0)
1034 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1035 else if (devconf->workers &&
1036 clib_bitmap_count_set_bits (devconf->workers) !=
1037 devconf->num_rx_queues)
1039 clib_error_return (0,
1040 "%U: number of worker threads must be "
1041 "equal to number of rx queues", format_vlib_pci_addr,
1047 static clib_error_t *
1048 dpdk_log_read_ready (clib_file_t * uf)
1050 unformat_input_t input;
1057 uword len = vec_len (s);
1058 vec_resize (s, len + n_try);
1060 n = read (uf->file_descriptor, s + len, n_try);
1061 if (n < 0 && errno != EAGAIN)
1062 return clib_error_return_unix (0, "read");
1063 _vec_len (s) = len + (n < 0 ? 0 : n);
1066 unformat_init_vector (&input, s);
1068 while (unformat_user (&input, unformat_line, &line))
1070 dpdk_log_notice ("%v", line);
1074 unformat_free (&input);
1078 static clib_error_t *
1079 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1081 clib_error_t *error = 0;
1082 dpdk_config_main_t *conf = &dpdk_config_main;
1083 vlib_thread_main_t *tm = vlib_get_thread_main ();
1084 dpdk_device_config_t *devconf;
1085 vlib_pci_addr_t pci_addr;
1086 unformat_input_t sub_input;
1091 int num_whitelisted = 0;
1097 u8 *huge_dir_path = 0;
1100 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1102 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1103 log_level = RTE_LOG_NOTICE;
1105 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1107 /* Prime the pump */
1108 if (unformat (input, "no-hugetlb"))
1110 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1114 else if (unformat (input, "enable-tcp-udp-checksum"))
1115 conf->enable_tcp_udp_checksum = 1;
1117 else if (unformat (input, "no-tx-checksum-offload"))
1118 conf->no_tx_checksum_offload = 1;
1120 else if (unformat (input, "decimal-interface-names"))
1121 conf->interface_name_format_decimal = 1;
1123 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
1126 else if (unformat (input, "no-multi-seg"))
1127 conf->no_multi_seg = 1;
1129 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1133 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1141 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1142 unformat_vlib_cli_sub_input, &sub_input))
1144 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1151 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1153 error = dpdk_device_config (conf, pci_addr, 0, 0);
1160 else if (unformat (input, "num-mem-channels %d", &conf->nchannels))
1161 conf->nchannels_set_manually = 0;
1162 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1164 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1166 else if (unformat (input, "socket-mem %s", &socket_mem))
1168 else if (unformat (input, "no-pci"))
1171 tmp = format (0, "--no-pci%c", 0);
1172 vec_add1 (conf->eal_init_args, tmp);
1176 else if (unformat(input, #a)) \
1178 tmp = format (0, "--%s%c", #a, 0); \
1179 vec_add1 (conf->eal_init_args, tmp); \
1181 foreach_eal_double_hyphen_predicate_arg
1184 else if (unformat(input, #a " %s", &s)) \
1186 if (!strncmp(#a, "huge-dir", 8)) \
1188 else if (!strncmp(#a, "file-prefix", 11)) \
1190 tmp = format (0, "--%s%c", #a, 0); \
1191 vec_add1 (conf->eal_init_args, tmp); \
1193 if (!strncmp(#a, "vdev", 4)) \
1194 if (strstr((char*)s, "af_packet")) \
1195 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1196 vec_add1 (conf->eal_init_args, s); \
1198 foreach_eal_double_hyphen_arg
1201 else if (unformat(input, #a " %s", &s)) \
1203 tmp = format (0, "-%s%c", #b, 0); \
1204 vec_add1 (conf->eal_init_args, tmp); \
1206 vec_add1 (conf->eal_init_args, s); \
1208 foreach_eal_single_hyphen_arg
1211 else if (unformat(input, #a " %s", &s)) \
1213 tmp = format (0, "-%s%c", #b, 0); \
1214 vec_add1 (conf->eal_init_args, tmp); \
1216 vec_add1 (conf->eal_init_args, s); \
1217 conf->a##_set_manually = 1; \
1219 foreach_eal_single_hyphen_mandatory_arg
1221 else if (unformat (input, "default"))
1224 else if (unformat_skip_white_space (input))
1228 error = clib_error_return (0, "unknown input `%U'",
1229 format_unformat_error, input);
1234 if (!conf->uio_driver_name)
1235 conf->uio_driver_name = format (0, "auto%c", 0);
1238 * Use 1G huge pages if available.
1240 if (!no_huge && !huge_dir)
1242 u32 x, *mem_by_socket = 0;
1246 umount ((char *) huge_dir_path);
1248 /* Process "socket-mem" parameter value */
1249 if (vec_len (socket_mem))
1251 unformat_input_t in;
1252 unformat_init_vector (&in, socket_mem);
1253 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1255 if (unformat (&in, "%u,", &x))
1257 else if (unformat (&in, "%u", &x))
1259 else if (unformat (&in, ","))
1264 vec_add1 (mem_by_socket, x);
1266 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1267 unformat_free (&in);
1273 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1275 vec_validate(mem_by_socket, c);
1276 mem_by_socket[c] = 64; /* default per-socket mem */
1282 uword default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1284 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1288 vec_validate(mem_by_socket, c);
1289 n_pages = round_pow2 ((uword) mem_by_socket[c]<<20,
1290 default_hugepage_sz);
1291 n_pages /= default_hugepage_sz;
1293 if ((e = clib_sysfs_prealloc_hugepages(c, 0, n_pages)))
1294 clib_error_report (e);
1298 if (mem_by_socket == 0)
1300 error = clib_error_return (0, "mem_by_socket NULL");
1303 _vec_len (mem_by_socket) = c + 1;
1305 /* regenerate socket_mem string */
1306 vec_foreach_index (x, mem_by_socket)
1307 socket_mem = format (socket_mem, "%s%u",
1308 socket_mem ? "," : "", mem_by_socket[x]);
1309 socket_mem = format (socket_mem, "%c", 0);
1311 vec_free (mem_by_socket);
1313 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1319 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1323 error = clib_error_return (0, "mount failed %d", errno);
1327 tmp = format (0, "--huge-dir%c", 0);
1328 vec_add1 (conf->eal_init_args, tmp);
1329 tmp = format (0, "%s%c", huge_dir_path, 0);
1330 vec_add1 (conf->eal_init_args, tmp);
1333 tmp = format (0, "--file-prefix%c", 0);
1334 vec_add1 (conf->eal_init_args, tmp);
1335 tmp = format (0, "vpp%c", 0);
1336 vec_add1 (conf->eal_init_args, tmp);
1343 /* I'll bet that -c and -n must be the first and second args... */
1344 if (!conf->coremask_set_manually)
1346 vlib_thread_registration_t *tr;
1347 uword *coremask = 0;
1350 /* main thread core */
1351 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1353 for (i = 0; i < vec_len (tm->registrations); i++)
1355 tr = tm->registrations[i];
1356 coremask = clib_bitmap_or (coremask, tr->coremask);
1359 vec_insert (conf->eal_init_args, 2, 1);
1360 conf->eal_init_args[1] = (u8 *) "-c";
1361 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1362 conf->eal_init_args[2] = tmp;
1363 clib_bitmap_free (coremask);
1366 if (!conf->nchannels_set_manually)
1368 vec_insert (conf->eal_init_args, 2, 3);
1369 conf->eal_init_args[3] = (u8 *) "-n";
1370 tmp = format (0, "%d", conf->nchannels);
1371 conf->eal_init_args[4] = tmp;
1374 if (no_pci == 0 && geteuid () == 0)
1375 dpdk_bind_devices_to_uio (conf);
1378 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1379 devconf->x = conf->default_devconf.x ;
1382 pool_foreach (devconf, conf->dev_confs, ({
1384 /* default per-device config items */
1385 foreach_dpdk_device_config_item
1387 /* add DPDK EAL whitelist/blacklist entry */
1388 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1390 tmp = format (0, "-w%c", 0);
1391 vec_add1 (conf->eal_init_args, tmp);
1392 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1393 vec_add1 (conf->eal_init_args, tmp);
1395 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1397 tmp = format (0, "-b%c", 0);
1398 vec_add1 (conf->eal_init_args, tmp);
1399 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1400 vec_add1 (conf->eal_init_args, tmp);
1407 /* set master-lcore */
1408 tmp = format (0, "--master-lcore%c", 0);
1409 vec_add1 (conf->eal_init_args, tmp);
1410 tmp = format (0, "%u%c", tm->main_lcore, 0);
1411 vec_add1 (conf->eal_init_args, tmp);
1413 /* set socket-mem */
1416 tmp = format (0, "--socket-mem%c", 0);
1417 vec_add1 (conf->eal_init_args, tmp);
1418 tmp = format (0, "%s%c", socket_mem, 0);
1419 vec_add1 (conf->eal_init_args, tmp);
1422 /* NULL terminate the "argv" vector, in case of stupidity */
1423 vec_add1 (conf->eal_init_args, 0);
1424 _vec_len (conf->eal_init_args) -= 1;
1426 /* Set up DPDK eal and packet mbuf pool early. */
1428 rte_log_set_global_level (log_level);
1429 int log_fds[2] = { 0 };
1430 if (pipe (log_fds) == 0)
1432 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1434 FILE *f = fdopen (log_fds[1], "a");
1435 if (f && rte_openlog_stream (f) == 0)
1437 clib_file_t t = { 0 };
1438 t.read_function = dpdk_log_read_ready;
1439 t.file_descriptor = log_fds[0];
1440 t.description = format (0, "DPDK logging pipe");
1441 clib_file_add (&file_main, &t);
1451 vm = vlib_get_main ();
1453 /* make copy of args as rte_eal_init tends to mess up with arg array */
1454 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1455 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1456 conf->eal_init_args[i]);
1458 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1459 ret = rte_eal_init (vec_len (conf->eal_init_args),
1460 (char **) conf->eal_init_args);
1462 /* lazy umount hugepages */
1463 umount2 ((char *) huge_dir_path, MNT_DETACH);
1464 rmdir ((char *) huge_dir_path);
1465 vec_free (huge_dir_path);
1468 return clib_error_return (0, "rte_eal_init returned %d", ret);
1470 /* set custom ring memory allocator */
1472 struct rte_mempool_ops *ops = NULL;
1474 ops = get_ops_by_name ("ring_sp_sc");
1475 ops->alloc = dpdk_ring_alloc;
1477 ops = get_ops_by_name ("ring_mp_sc");
1478 ops->alloc = dpdk_ring_alloc;
1480 ops = get_ops_by_name ("ring_sp_mc");
1481 ops->alloc = dpdk_ring_alloc;
1483 ops = get_ops_by_name ("ring_mp_mc");
1484 ops->alloc = dpdk_ring_alloc;
1487 /* main thread 1st */
1488 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1492 for (i = 0; i < RTE_MAX_LCORE; i++)
1494 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1495 rte_lcore_to_socket_id (i));
1504 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1507 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1509 vnet_main_t *vnm = vnet_get_main ();
1510 struct rte_eth_link prev_link = xd->link;
1512 u8 hw_flags_chg = 0;
1514 /* only update link state for PMD interfaces */
1515 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1518 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1519 clib_memset (&xd->link, 0, sizeof (xd->link));
1520 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1522 if (LINK_STATE_ELOGS)
1524 vlib_main_t *vm = vlib_get_main ();
1525 ELOG_TYPE_DECLARE (e) =
1528 "update-link-state: sw_if_index %d, admin_up %d,"
1529 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1538 ed = ELOG_DATA (&vm->elog_main, e);
1539 ed->sw_if_index = xd->sw_if_index;
1540 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1541 ed->old_link_state = (u8)
1542 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1543 ed->new_link_state = (u8) xd->link.link_status;
1546 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1547 && ((xd->link.link_status != 0) ^
1548 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1551 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1554 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1557 switch (xd->link.link_duplex)
1559 case ETH_LINK_HALF_DUPLEX:
1560 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1562 case ETH_LINK_FULL_DUPLEX:
1563 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1569 if (xd->link.link_speed != prev_link.link_speed)
1570 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1571 xd->link.link_speed * 1000);
1575 if (LINK_STATE_ELOGS)
1577 vlib_main_t *vm = vlib_get_main ();
1579 ELOG_TYPE_DECLARE (e) =
1582 "update-link-state: sw_if_index %d, new flags %d",.format_args
1590 ed = ELOG_DATA (&vm->elog_main, e);
1591 ed->sw_if_index = xd->sw_if_index;
1592 ed->flags = hw_flags;
1594 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1599 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1601 clib_error_t *error;
1602 vnet_main_t *vnm = vnet_get_main ();
1603 dpdk_main_t *dm = &dpdk_main;
1604 ethernet_main_t *em = ðernet_main;
1606 vlib_thread_main_t *tm = vlib_get_thread_main ();
1610 error = dpdk_lib_init (dm);
1613 clib_error_report (error);
1615 tm->worker_thread_release = 1;
1617 f64 now = vlib_time_now (vm);
1618 vec_foreach (xd, dm->devices)
1620 dpdk_update_link_state (xd, now);
1625 * Extra set up for bond interfaces:
1626 * 1. Setup MACs for bond interfaces and their slave links which was set
1627 * in dpdk_device_setup() but needs to be done again here to take
1629 * 2. Set up info and register slave link state change callback handling.
1630 * 3. Set up info for bond interface related CLI support.
1632 int nports = rte_eth_dev_count_avail ();
1636 RTE_ETH_FOREACH_DEV(i)
1639 for (j = 0; j < nports; j++)
1641 if (dm->devices[j].port_id == i)
1643 xd = &dm->devices[j];
1646 if (xd != NULL && xd->pmd == VNET_DPDK_PMD_BOND)
1649 dpdk_portid_t slink[16];
1650 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1653 vnet_hw_interface_t *bhi;
1654 ethernet_interface_t *bei;
1657 /* Get MAC of 1st slave link */
1659 (slink[0], (struct ether_addr *) addr);
1661 /* Set MAC of bounded interface to that of 1st slave link */
1662 dpdk_log_info ("Set MAC for bond port %d BondEthernet%d",
1663 i, xd->bond_instance_num);
1664 rv = rte_eth_bond_mac_address_set
1665 (i, (struct ether_addr *) addr);
1667 dpdk_log_warn ("Set MAC addr failure rv=%d", rv);
1669 /* Populate MAC of bonded interface in VPP hw tables */
1670 bhi = vnet_get_hw_interface
1671 (vnm, dm->devices[i].hw_if_index);
1672 bei = pool_elt_at_index
1673 (em->interfaces, bhi->hw_instance);
1674 clib_memcpy (bhi->hw_address, addr, 6);
1675 clib_memcpy (bei->address, addr, 6);
1677 /* Init l3 packet size allowed on bonded interface */
1678 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1680 { /* for all slave links */
1681 int slave = slink[--nlink];
1682 dpdk_device_t *sdev = &dm->devices[slave];
1683 vnet_hw_interface_t *shi;
1684 vnet_sw_interface_t *ssi;
1685 ethernet_interface_t *sei;
1686 /* Add MAC to all slave links except the first one */
1689 dpdk_log_info ("Add MAC for slave port %d",
1691 rv = rte_eth_dev_mac_addr_add
1692 (slave, (struct ether_addr *) addr, 0);
1694 dpdk_log_warn ("Add MAC addr failure rv=%d",
1697 /* Setup slave link state change callback handling */
1698 rte_eth_dev_callback_register
1699 (slave, RTE_ETH_EVENT_INTR_LSC,
1700 dpdk_port_state_callback, NULL);
1701 dpdk_device_t *sxd = &dm->devices[slave];
1702 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1704 /* Set slaves bitmap for bonded interface */
1705 bhi->bond_info = clib_bitmap_set
1706 (bhi->bond_info, sdev->hw_if_index, 1);
1707 /* Set MACs and slave link flags on slave interface */
1708 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1709 ssi = vnet_get_sw_interface (vnm, sdev->sw_if_index);
1710 sei = pool_elt_at_index
1711 (em->interfaces, shi->hw_instance);
1712 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1713 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1714 clib_memcpy (shi->hw_address, addr, 6);
1715 clib_memcpy (sei->address, addr, 6);
1716 /* Set l3 packet size allowed as the lowest of slave */
1717 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1718 bhi->max_packet_bytes = shi->max_packet_bytes;
1730 * check each time through the loop in case intervals are changed
1732 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1733 dm->link_state_poll_interval : dm->stat_poll_interval;
1735 vlib_process_wait_for_event_or_clock (vm, min_wait);
1737 if (dm->admin_up_down_in_progress)
1738 /* skip the poll if an admin up down is in progress (on any interface) */
1741 vec_foreach (xd, dm->devices)
1743 f64 now = vlib_time_now (vm);
1744 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1745 dpdk_update_counters (xd, now);
1746 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1747 dpdk_update_link_state (xd, now);
1756 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1757 .function = dpdk_process,
1758 .type = VLIB_NODE_TYPE_PROCESS,
1759 .name = "dpdk-process",
1760 .process_log2_n_stack_bytes = 17,
1764 static clib_error_t *
1765 dpdk_init (vlib_main_t * vm)
1767 dpdk_main_t *dm = &dpdk_main;
1768 clib_error_t *error = 0;
1770 /* verify that structs are cacheline aligned */
1771 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1772 "Cache line marker must be 1st element in dpdk_device_t");
1773 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1774 CLIB_CACHE_LINE_BYTES,
1775 "Data in cache line 0 is bigger than cache line size");
1776 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1777 "Cache line marker must be 1st element in frame_queue_trace_t");
1778 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1779 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1782 dm->vnet_main = vnet_get_main ();
1783 dm->conf = &dpdk_config_main;
1785 dm->conf->nchannels = 4;
1786 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1787 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1789 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1790 dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID |
1791 VLIB_BUFFER_EXT_HDR_VALID |
1792 VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1793 VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
1795 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1796 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1799 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1802 dm->log_default = vlib_log_register_class ("dpdk", 0);
1807 VLIB_INIT_FUNCTION (dpdk_init);
1811 * fd.io coding-style-patch-verification: ON
1814 * eval: (c-set-style "gnu")