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/buffer.h>
26 #include <dpdk/device/dpdk.h>
27 #include <vlib/pci/pci.h>
28 #include <vlib/vmbus/vmbus.h>
36 #include <sys/mount.h>
40 #include <dpdk/device/dpdk_priv.h>
42 #define ETHER_MAX_LEN 1518 /**< Maximum frame len, including CRC. */
44 dpdk_main_t dpdk_main;
45 dpdk_config_main_t dpdk_config_main;
47 #define LINK_STATE_ELOGS 0
49 /* Port configuration, mildly modified Intel app values */
51 static dpdk_port_type_t
52 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
55 if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
56 return VNET_DPDK_PORT_TYPE_ETH_100G;
57 else if (dev_info->speed_capa & ETH_LINK_SPEED_56G)
58 return VNET_DPDK_PORT_TYPE_ETH_56G;
59 else if (dev_info->speed_capa & ETH_LINK_SPEED_50G)
60 return VNET_DPDK_PORT_TYPE_ETH_50G;
61 else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
62 return VNET_DPDK_PORT_TYPE_ETH_40G;
63 else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
64 return VNET_DPDK_PORT_TYPE_ETH_25G;
65 else if (dev_info->speed_capa & ETH_LINK_SPEED_20G)
66 return VNET_DPDK_PORT_TYPE_ETH_20G;
67 else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
68 return VNET_DPDK_PORT_TYPE_ETH_10G;
69 else if (dev_info->speed_capa & ETH_LINK_SPEED_5G)
70 return VNET_DPDK_PORT_TYPE_ETH_5G;
71 else if (dev_info->speed_capa & ETH_LINK_SPEED_2_5G)
72 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
73 else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
74 return VNET_DPDK_PORT_TYPE_ETH_1G;
76 return VNET_DPDK_PORT_TYPE_UNKNOWN;
79 static dpdk_port_type_t
80 port_type_from_link_speed (u32 link_speed)
84 case ETH_SPEED_NUM_1G:
85 return VNET_DPDK_PORT_TYPE_ETH_1G;
86 case ETH_SPEED_NUM_2_5G:
87 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
88 case ETH_SPEED_NUM_5G:
89 return VNET_DPDK_PORT_TYPE_ETH_5G;
90 case ETH_SPEED_NUM_10G:
91 return VNET_DPDK_PORT_TYPE_ETH_10G;
92 case ETH_SPEED_NUM_20G:
93 return VNET_DPDK_PORT_TYPE_ETH_20G;
94 case ETH_SPEED_NUM_25G:
95 return VNET_DPDK_PORT_TYPE_ETH_25G;
96 case ETH_SPEED_NUM_40G:
97 return VNET_DPDK_PORT_TYPE_ETH_40G;
98 case ETH_SPEED_NUM_50G:
99 return VNET_DPDK_PORT_TYPE_ETH_50G;
100 case ETH_SPEED_NUM_56G:
101 return VNET_DPDK_PORT_TYPE_ETH_56G;
102 case ETH_SPEED_NUM_100G:
103 return VNET_DPDK_PORT_TYPE_ETH_100G;
105 return VNET_DPDK_PORT_TYPE_UNKNOWN;
110 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
112 dpdk_main_t *dm = &dpdk_main;
113 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
116 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
118 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
120 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
121 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
123 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
125 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
127 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
128 rte_eth_promiscuous_enable (xd->port_id);
130 rte_eth_promiscuous_disable (xd->port_id);
133 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
135 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
136 dpdk_device_setup (xd);
142 dpdk_device_lock_init (dpdk_device_t * xd)
145 vec_validate (xd->lockp, xd->tx_q_used - 1);
146 for (q = 0; q < xd->tx_q_used; q++)
148 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
149 CLIB_CACHE_LINE_BYTES);
150 clib_memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
154 static struct rte_mempool_ops *
155 get_ops_by_name (char *ops_name)
159 for (i = 0; i < rte_mempool_ops_table.num_ops; i++)
161 if (!strcmp (ops_name, rte_mempool_ops_table.ops[i].name))
162 return &rte_mempool_ops_table.ops[i];
169 dpdk_ring_alloc (struct rte_mempool *mp)
171 u32 rg_flags = 0, count;
173 char rg_name[RTE_RING_NAMESIZE];
176 ret = snprintf (rg_name, sizeof (rg_name), RTE_MEMPOOL_MZ_FORMAT, mp->name);
177 if (ret < 0 || ret >= (i32) sizeof (rg_name))
178 return -ENAMETOOLONG;
181 if (mp->flags & MEMPOOL_F_SP_PUT)
182 rg_flags |= RING_F_SP_ENQ;
183 if (mp->flags & MEMPOOL_F_SC_GET)
184 rg_flags |= RING_F_SC_DEQ;
186 count = rte_align32pow2 (mp->size + 1);
188 * Allocate the ring that will be used to store objects.
189 * Ring functions will return appropriate errors if we are
190 * running as a secondary process etc., so no checks made
191 * in this function for that condition.
193 /* XXX can we get memory from the right socket? */
194 r = clib_mem_alloc_aligned (rte_ring_get_memsize (count),
195 CLIB_CACHE_LINE_BYTES);
197 /* XXX rte_ring_lookup will not work */
199 ret = rte_ring_init (r, rg_name, count, rg_flags);
209 dpdk_port_crc_strip_enabled (dpdk_device_t * xd)
211 #if 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 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
278 clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
279 ptd->buffer_template.flags = dm->buffer_flags_template;
280 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
284 RTE_ETH_FOREACH_DEV(i)
288 struct rte_eth_dev_info dev_info;
289 struct rte_pci_device *pci_dev;
290 struct rte_eth_link l;
291 dpdk_device_config_t *devconf = 0;
292 vlib_pci_addr_t pci_addr;
295 if (!rte_eth_dev_is_valid_port(i))
298 rte_eth_link_get_nowait (i, &l);
299 rte_eth_dev_info_get (i, &dev_info);
301 if (dev_info.device == 0)
303 clib_warning ("DPDK bug: missing device info. Skipping %s device",
304 dev_info.driver_name);
308 pci_dev = dpdk_get_pci_device (&dev_info);
310 if (pci_dev) /* bonded interface has no pci info */
312 pci_addr.domain = pci_dev->addr.domain;
313 pci_addr.bus = pci_dev->addr.bus;
314 pci_addr.slot = pci_dev->addr.devid;
315 pci_addr.function = pci_dev->addr.function;
316 p = hash_get (dm->conf->device_config_index_by_pci_addr,
321 /* Create vnet interface */
322 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
323 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
324 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
325 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
329 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
330 xd->name = devconf->name;
333 devconf = &dm->conf->default_devconf;
335 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
338 struct rte_eth_dev_info di = { 0 };
339 struct rte_pci_device *next_pci_dev;
340 rte_eth_dev_info_get (i + 1, &di);
341 next_pci_dev = di.device ? RTE_DEV_TO_PCI (di.device) : 0;
342 if (pci_dev && next_pci_dev &&
343 pci_addr.as_u32 != last_pci_addr.as_u32 &&
344 memcmp (&pci_dev->addr, &next_pci_dev->addr,
345 sizeof (struct rte_pci_addr)) == 0)
347 xd->interface_name_suffix = format (0, "0");
348 last_pci_addr.as_u32 = pci_addr.as_u32;
349 last_pci_addr_port = i;
351 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
353 xd->interface_name_suffix =
354 format (0, "%u", i - last_pci_addr_port);
358 last_pci_addr.as_u32 = ~0;
362 last_pci_addr.as_u32 = ~0;
364 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
365 sizeof (struct rte_eth_txconf));
367 if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
369 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
370 xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
373 if (dm->conf->no_multi_seg)
375 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
376 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
377 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
381 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
382 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
383 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
384 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
387 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
389 if (devconf->num_tx_queues > 0
390 && devconf->num_tx_queues < xd->tx_q_used)
391 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
393 if (devconf->num_rx_queues > 1
394 && dev_info.max_rx_queues >= devconf->num_rx_queues)
396 xd->rx_q_used = devconf->num_rx_queues;
397 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
398 if (devconf->rss_fn == 0)
399 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
400 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
403 u64 unsupported_bits;
404 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
405 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
406 unsupported_bits &= ~dev_info.flow_type_rss_offloads;
407 if (unsupported_bits)
408 dpdk_log_warn ("Unsupported RSS hash functions: %U",
409 format_dpdk_rss_hf_name, unsupported_bits);
411 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
412 dev_info.flow_type_rss_offloads;
417 xd->flags |= DPDK_DEVICE_FLAG_PMD;
419 /* workaround for drivers not setting driver_name */
420 if ((!dev_info.driver_name) && (pci_dev))
421 dev_info.driver_name = pci_dev->driver->driver.name;
423 ASSERT (dev_info.driver_name);
429 #define _(s,f) else if (dev_info.driver_name && \
430 !strcmp(dev_info.driver_name, s)) \
431 xd->pmd = VNET_DPDK_PMD_##f;
437 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
439 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
440 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
441 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
445 /* Drivers with valid speed_capa set */
446 case VNET_DPDK_PMD_E1000EM:
447 case VNET_DPDK_PMD_IGB:
448 case VNET_DPDK_PMD_IXGBE:
449 case VNET_DPDK_PMD_I40E:
450 xd->port_type = port_type_from_speed_capa (&dev_info);
451 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
452 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
453 VNET_FLOW_ACTION_BUFFER_ADVANCE |
454 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
456 if (dm->conf->no_tx_checksum_offload == 0)
458 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
459 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
461 DPDK_DEVICE_FLAG_TX_OFFLOAD |
462 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
467 case VNET_DPDK_PMD_CXGBE:
468 case VNET_DPDK_PMD_MLX4:
469 case VNET_DPDK_PMD_MLX5:
470 case VNET_DPDK_PMD_QEDE:
471 xd->port_type = port_type_from_speed_capa (&dev_info);
475 case VNET_DPDK_PMD_IGBVF:
476 case VNET_DPDK_PMD_IXGBEVF:
477 case VNET_DPDK_PMD_I40EVF:
478 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
479 #if RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
480 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
484 case VNET_DPDK_PMD_THUNDERX:
485 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
486 #if RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
487 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
490 if (dm->conf->no_tx_checksum_offload == 0)
492 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
493 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
494 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
498 case VNET_DPDK_PMD_ENA:
499 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
500 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
503 case VNET_DPDK_PMD_DPAA2:
504 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
508 case VNET_DPDK_PMD_ENIC:
509 if (l.link_speed == 40000)
510 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
512 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
515 /* Intel Red Rock Canyon */
516 case VNET_DPDK_PMD_FM10K:
517 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
518 #if RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
519 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
524 case VNET_DPDK_PMD_VIRTIO:
525 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
526 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
527 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
531 case VNET_DPDK_PMD_VMXNET3:
532 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
533 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
536 case VNET_DPDK_PMD_AF_PACKET:
537 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
538 xd->af_packet_instance_num = af_packet_instance_num++;
541 case VNET_DPDK_PMD_BOND:
542 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
543 xd->bond_instance_num = bond_ether_instance_num++;
546 case VNET_DPDK_PMD_VIRTIO_USER:
547 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
550 case VNET_DPDK_PMD_VHOST_ETHER:
551 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
554 case VNET_DPDK_PMD_LIOVF_ETHER:
555 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
558 case VNET_DPDK_PMD_FAILSAFE:
559 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
560 xd->port_conf.intr_conf.lsc = 1;
563 case VNET_DPDK_PMD_NETVSC:
564 xd->port_type = port_type_from_link_speed (l.link_speed);
568 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
571 if (devconf->num_rx_desc)
572 xd->nb_rx_desc = devconf->num_rx_desc;
574 if (devconf->num_tx_desc)
575 xd->nb_tx_desc = devconf->num_tx_desc;
578 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
580 f64 now = vlib_time_now (vm);
582 rnd = (u32) (now * 1e6);
583 rnd = random_u32 (&rnd);
584 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
589 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
591 if (xd->tx_q_used < tm->n_vlib_mains)
592 dpdk_device_lock_init (xd);
595 xd->device_index = xd - dm->devices;
596 xd->per_interface_next_index = ~0;
598 /* assign interface to input thread */
601 if (devconf->hqos_enabled)
603 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
606 if (devconf->hqos.hqos_thread_valid)
608 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
609 return clib_error_return (0, "invalid HQoS thread index");
611 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
615 if (dm->hqos_cpu_count == 0)
616 return clib_error_return (0, "no HQoS threads available");
618 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
621 if (next_hqos_cpu == dm->hqos_cpu_count)
624 devconf->hqos.hqos_thread_valid = 1;
625 devconf->hqos.hqos_thread = cpu;
628 dpdk_device_and_queue_t *dq;
629 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
630 dq->device = xd->device_index;
634 /* count the number of descriptors used for this device */
635 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
637 error = ethernet_register_interface
638 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
639 /* ethernet address */ addr,
640 &xd->hw_if_index, dpdk_flag_change);
645 * Ensure default mtu is not > the mtu read from the hardware.
646 * Otherwise rte_eth_dev_configure() will fail and the port will
648 * Calculate max_frame_size and mtu supported by NIC
650 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
653 * This device does not support the platforms's max frame
654 * size. Use it's advertised mru instead.
656 max_rx_frame = dev_info.max_rx_pktlen;
657 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
661 /* VPP treats MTU and max_rx_pktlen both equal to
662 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
663 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
665 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
666 sizeof (ethernet_header_t)))
668 mtu = ETHERNET_MAX_PACKET_BYTES;
669 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
672 * Some platforms do not account for Ethernet FCS (4 bytes) in
673 * MTU calculations. To interop with them increase mru but only
674 * if the device's settings can support it.
676 if (dpdk_port_crc_strip_enabled (xd) &&
677 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
678 sizeof (ethernet_header_t) +
686 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
687 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
689 if (dpdk_port_crc_strip_enabled (xd) &&
690 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
697 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
699 /* failsafe device numerables are reported with active device only,
700 * need to query the mtu for current device setup to overwrite
704 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
707 max_rx_frame = mtu + sizeof (ethernet_header_t);
709 if (dpdk_port_crc_strip_enabled (xd))
716 /*Set port rxmode config */
717 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
719 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
720 xd->sw_if_index = sw->sw_if_index;
721 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
722 dpdk_input_node.index);
724 if (devconf->workers)
728 clib_bitmap_foreach (i, devconf->workers, ({
729 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
730 vdm->first_worker_thread_index + i);
734 for (q = 0; q < xd->rx_q_used; q++)
736 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
740 /*Get vnet hardware interface */
741 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
743 /*Override default max_packet_bytes and max_supported_bytes set in
744 * ethernet_register_interface() above*/
747 hi->max_packet_bytes = mtu;
748 hi->max_supported_packet_bytes = max_rx_frame;
751 if (dm->conf->no_tx_checksum_offload == 0)
752 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
753 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
755 dpdk_device_setup (xd);
757 if (vec_len (xd->errors))
758 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
759 format_dpdk_device_name, i,
760 format_dpdk_device_errors, xd);
762 if (devconf->hqos_enabled)
765 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
771 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
772 * specified otherwise in the startup config.
773 * For other NICs default to VLAN strip disabled, unless specified
774 * otherwise in the startup config.
776 if (xd->pmd == VNET_DPDK_PMD_ENIC)
778 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
779 vlan_strip = 1; /* remove vlan tag from VIC port by default */
781 dpdk_log_warn ("VLAN strip disabled for interface\n");
783 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
789 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
790 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
792 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
794 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
795 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) == 0)
796 dpdk_log_info ("VLAN strip enabled for interface\n");
798 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
802 hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
803 - sizeof (ethernet_header_t);
805 clib_warning ("hi NULL");
807 if (dm->conf->no_multi_seg)
808 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
810 rte_eth_dev_set_mtu (xd->port_id, mtu);
814 if (nb_desc > dm->conf->num_mbufs)
815 dpdk_log_err ("%d mbufs allocated but total rx/tx ring size is %d\n",
816 dm->conf->num_mbufs, nb_desc);
822 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
824 vlib_main_t *vm = vlib_get_main ();
827 int num_whitelisted = vec_len (conf->dev_confs);
828 vlib_pci_device_info_t *d = 0;
829 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);
864 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
867 /* Enforce Device blacklist by vendor and device */
868 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
871 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
872 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
873 if (d->vendor_id == vendor && d->device_id == device)
876 * Expected case: device isn't whitelisted,
881 /* Device is blacklisted */
882 pool_get (conf->dev_confs, devconf);
883 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
884 devconf - conf->dev_confs);
885 devconf->pci_addr.as_u32 = addr->as_u32;
886 devconf->is_blacklisted = 1;
889 else /* explicitly whitelisted, ignore the device blacklist */
895 if (d->vendor_id == 0x1af4 &&
896 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
897 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
900 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
903 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
904 * the default is to put it in the blacklist.
908 pool_get (conf->dev_confs, devconf);
909 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
910 devconf - conf->dev_confs);
911 devconf->pci_addr.as_u32 = addr->as_u32;
912 devconf->is_blacklisted = 1;
915 /* all Intel network devices */
916 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
918 /* all Intel QAT devices VFs */
919 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
920 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
923 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
926 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
928 /* Amazen Elastic Network Adapter */
929 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
931 /* Cavium Network Adapter */
932 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
934 /* Cavium FastlinQ QL41000 Series */
935 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
938 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
943 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
949 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
950 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
955 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
961 pool_get (conf->dev_confs, devconf);
962 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
963 devconf - conf->dev_confs);
964 devconf->pci_addr.as_u32 = addr->as_u32;
966 devconf->is_blacklisted = 1;
967 clib_error_report (error);
972 vlib_pci_free_device_info (d);
976 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
979 vlib_vmbus_addr_t *addrs, *addr = 0;
981 addrs = vlib_vmbus_get_all_dev_addrs ();
984 vec_foreach (addr, addrs)
986 error = vlib_vmbus_bind_to_uio (addr);
990 clib_error_report (error);
996 static clib_error_t *
997 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
998 unformat_input_t * input, u8 is_default)
1000 clib_error_t *error = 0;
1002 dpdk_device_config_t *devconf;
1003 unformat_input_t sub_input;
1007 devconf = &conf->default_devconf;
1011 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
1015 pool_get (conf->dev_confs, devconf);
1016 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
1017 devconf - conf->dev_confs);
1020 return clib_error_return (0,
1021 "duplicate configuration for PCI address %U",
1022 format_vlib_pci_addr, &pci_addr);
1025 devconf->pci_addr.as_u32 = pci_addr.as_u32;
1026 devconf->hqos_enabled = 0;
1027 dpdk_device_config_hqos_default (&devconf->hqos);
1032 unformat_skip_white_space (input);
1033 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1035 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1037 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1039 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1041 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1043 else if (unformat (input, "name %s", &devconf->name))
1045 else if (unformat (input, "workers %U", unformat_bitmap_list,
1050 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1052 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1056 else if (unformat (input, "vlan-strip-offload off"))
1057 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
1058 else if (unformat (input, "vlan-strip-offload on"))
1059 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
1062 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
1064 devconf->hqos_enabled = 1;
1065 error = unformat_hqos (&sub_input, &devconf->hqos);
1069 else if (unformat (input, "hqos"))
1071 devconf->hqos_enabled = 1;
1075 error = clib_error_return (0, "unknown input `%U'",
1076 format_unformat_error, input);
1084 if (devconf->workers && devconf->num_rx_queues == 0)
1085 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1086 else if (devconf->workers &&
1087 clib_bitmap_count_set_bits (devconf->workers) !=
1088 devconf->num_rx_queues)
1090 clib_error_return (0,
1091 "%U: number of worker threads must be "
1092 "equal to number of rx queues", format_vlib_pci_addr,
1098 static clib_error_t *
1099 dpdk_log_read_ready (clib_file_t * uf)
1101 unformat_input_t input;
1108 uword len = vec_len (s);
1109 vec_resize (s, len + n_try);
1111 n = read (uf->file_descriptor, s + len, n_try);
1112 if (n < 0 && errno != EAGAIN)
1113 return clib_error_return_unix (0, "read");
1114 _vec_len (s) = len + (n < 0 ? 0 : n);
1117 unformat_init_vector (&input, s);
1119 while (unformat_user (&input, unformat_line, &line))
1121 dpdk_log_notice ("%v", line);
1125 unformat_free (&input);
1129 static clib_error_t *
1130 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1132 clib_error_t *error = 0;
1133 dpdk_config_main_t *conf = &dpdk_config_main;
1134 vlib_thread_main_t *tm = vlib_get_thread_main ();
1135 dpdk_device_config_t *devconf;
1136 vlib_pci_addr_t pci_addr;
1137 unformat_input_t sub_input;
1138 uword default_hugepage_sz, x;
1142 int num_whitelisted = 0;
1147 u8 *huge_dir_path = 0;
1151 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1153 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1154 log_level = RTE_LOG_NOTICE;
1156 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1158 /* Prime the pump */
1159 if (unformat (input, "no-hugetlb"))
1161 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1164 else if (unformat (input, "enable-tcp-udp-checksum"))
1165 conf->enable_tcp_udp_checksum = 1;
1167 else if (unformat (input, "no-tx-checksum-offload"))
1168 conf->no_tx_checksum_offload = 1;
1170 else if (unformat (input, "decimal-interface-names"))
1171 conf->interface_name_format_decimal = 1;
1173 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
1176 else if (unformat (input, "no-multi-seg"))
1177 conf->no_multi_seg = 1;
1179 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1183 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1191 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1192 unformat_vlib_cli_sub_input, &sub_input))
1194 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1201 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1203 error = dpdk_device_config (conf, pci_addr, 0, 0);
1210 else if (unformat (input, "num-mem-channels %d", &conf->nchannels))
1211 conf->nchannels_set_manually = 0;
1212 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1214 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1216 else if (unformat (input, "socket-mem %s", &socket_mem))
1218 else if (unformat (input, "no-pci"))
1221 tmp = format (0, "--no-pci%c", 0);
1222 vec_add1 (conf->eal_init_args, tmp);
1224 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1226 u32 blacklist_entry;
1227 if (vendor > 0xFFFF)
1228 return clib_error_return (0, "blacklist PCI vendor out of range");
1229 if (device > 0xFFFF)
1230 return clib_error_return (0, "blacklist PCI device out of range");
1231 blacklist_entry = (vendor << 16) | (device & 0xffff);
1232 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1235 else if (unformat (input, "no-vmbus"))
1238 tmp = format (0, "--no-vmbus%c", 0);
1239 vec_add1 (conf->eal_init_args, tmp);
1243 else if (unformat(input, #a)) \
1245 tmp = format (0, "--%s%c", #a, 0); \
1246 vec_add1 (conf->eal_init_args, tmp); \
1248 foreach_eal_double_hyphen_predicate_arg
1251 else if (unformat(input, #a " %s", &s)) \
1253 if (!strncmp(#a, "file-prefix", 11)) \
1255 tmp = format (0, "--%s%c", #a, 0); \
1256 vec_add1 (conf->eal_init_args, tmp); \
1258 if (!strncmp(#a, "vdev", 4)) \
1259 if (strstr((char*)s, "af_packet")) \
1260 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1261 vec_add1 (conf->eal_init_args, s); \
1263 foreach_eal_double_hyphen_arg
1266 else if (unformat(input, #a " %s", &s)) \
1268 tmp = format (0, "-%s%c", #b, 0); \
1269 vec_add1 (conf->eal_init_args, tmp); \
1271 vec_add1 (conf->eal_init_args, s); \
1273 foreach_eal_single_hyphen_arg
1276 else if (unformat(input, #a " %s", &s)) \
1278 tmp = format (0, "-%s%c", #b, 0); \
1279 vec_add1 (conf->eal_init_args, tmp); \
1281 vec_add1 (conf->eal_init_args, s); \
1282 conf->a##_set_manually = 1; \
1284 foreach_eal_single_hyphen_mandatory_arg
1286 else if (unformat (input, "default"))
1289 else if (unformat_skip_white_space (input))
1293 error = clib_error_return (0, "unknown input `%U'",
1294 format_unformat_error, input);
1299 if (!conf->uio_driver_name)
1300 conf->uio_driver_name = format (0, "auto%c", 0);
1302 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1305 clib_bitmap_foreach (x, tm->cpu_socket_bitmap, (
1309 /* preallocate at least 16MB of hugepages per socket,
1310 if more is needed it is up to consumer to preallocate more */
1311 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1312 n_pages /= default_hugepage_sz;
1314 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1315 clib_error_report (e);
1321 tmp = format (0, "--file-prefix%c", 0);
1322 vec_add1 (conf->eal_init_args, tmp);
1323 tmp = format (0, "vpp%c", 0);
1324 vec_add1 (conf->eal_init_args, tmp);
1330 /* I'll bet that -c and -n must be the first and second args... */
1331 if (!conf->coremask_set_manually)
1333 vlib_thread_registration_t *tr;
1334 uword *coremask = 0;
1337 /* main thread core */
1338 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1340 for (i = 0; i < vec_len (tm->registrations); i++)
1342 tr = tm->registrations[i];
1343 coremask = clib_bitmap_or (coremask, tr->coremask);
1346 vec_insert (conf->eal_init_args, 2, 1);
1347 conf->eal_init_args[1] = (u8 *) "-c";
1348 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1349 conf->eal_init_args[2] = tmp;
1350 clib_bitmap_free (coremask);
1353 if (!conf->nchannels_set_manually)
1355 vec_insert (conf->eal_init_args, 2, 3);
1356 conf->eal_init_args[3] = (u8 *) "-n";
1357 tmp = format (0, "%d", conf->nchannels);
1358 conf->eal_init_args[4] = tmp;
1361 if (no_pci == 0 && geteuid () == 0)
1362 dpdk_bind_devices_to_uio (conf);
1364 if (no_vmbus == 0 && geteuid () == 0)
1365 dpdk_bind_vmbus_devices_to_uio (conf);
1368 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1369 devconf->x = conf->default_devconf.x ;
1372 pool_foreach (devconf, conf->dev_confs, ({
1374 /* default per-device config items */
1375 foreach_dpdk_device_config_item
1377 /* add DPDK EAL whitelist/blacklist entry */
1378 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1380 tmp = format (0, "-w%c", 0);
1381 vec_add1 (conf->eal_init_args, tmp);
1382 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1383 vec_add1 (conf->eal_init_args, tmp);
1385 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1387 tmp = format (0, "-b%c", 0);
1388 vec_add1 (conf->eal_init_args, tmp);
1389 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1390 vec_add1 (conf->eal_init_args, tmp);
1397 /* set master-lcore */
1398 tmp = format (0, "--master-lcore%c", 0);
1399 vec_add1 (conf->eal_init_args, tmp);
1400 tmp = format (0, "%u%c", tm->main_lcore, 0);
1401 vec_add1 (conf->eal_init_args, tmp);
1405 clib_warning ("socket-mem argument is deprecated");
1407 /* NULL terminate the "argv" vector, in case of stupidity */
1408 vec_add1 (conf->eal_init_args, 0);
1409 _vec_len (conf->eal_init_args) -= 1;
1411 /* Set up DPDK eal and packet mbuf pool early. */
1413 rte_log_set_global_level (log_level);
1414 int log_fds[2] = { 0 };
1415 if (pipe (log_fds) == 0)
1417 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1419 FILE *f = fdopen (log_fds[1], "a");
1420 if (f && rte_openlog_stream (f) == 0)
1422 clib_file_t t = { 0 };
1423 t.read_function = dpdk_log_read_ready;
1424 t.file_descriptor = log_fds[0];
1425 t.description = format (0, "DPDK logging pipe");
1426 clib_file_add (&file_main, &t);
1436 vm = vlib_get_main ();
1438 /* make copy of args as rte_eal_init tends to mess up with arg array */
1439 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1440 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1441 conf->eal_init_args[i]);
1443 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1444 ret = rte_eal_init (vec_len (conf->eal_init_args),
1445 (char **) conf->eal_init_args);
1447 /* lazy umount hugepages */
1448 umount2 ((char *) huge_dir_path, MNT_DETACH);
1449 rmdir ((char *) huge_dir_path);
1450 vec_free (huge_dir_path);
1453 return clib_error_return (0, "rte_eal_init returned %d", ret);
1455 /* set custom ring memory allocator */
1457 struct rte_mempool_ops *ops = NULL;
1459 ops = get_ops_by_name ("ring_sp_sc");
1460 ops->alloc = dpdk_ring_alloc;
1462 ops = get_ops_by_name ("ring_mp_sc");
1463 ops->alloc = dpdk_ring_alloc;
1465 ops = get_ops_by_name ("ring_sp_mc");
1466 ops->alloc = dpdk_ring_alloc;
1468 ops = get_ops_by_name ("ring_mp_mc");
1469 ops->alloc = dpdk_ring_alloc;
1472 /* main thread 1st */
1473 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1477 for (i = 0; i < RTE_MAX_LCORE; i++)
1479 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1480 rte_lcore_to_socket_id (i));
1489 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1492 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1494 vnet_main_t *vnm = vnet_get_main ();
1495 struct rte_eth_link prev_link = xd->link;
1497 u8 hw_flags_chg = 0;
1499 /* only update link state for PMD interfaces */
1500 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1503 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1504 clib_memset (&xd->link, 0, sizeof (xd->link));
1505 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1507 if (LINK_STATE_ELOGS)
1509 vlib_main_t *vm = vlib_get_main ();
1510 ELOG_TYPE_DECLARE (e) =
1513 "update-link-state: sw_if_index %d, admin_up %d,"
1514 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1523 ed = ELOG_DATA (&vm->elog_main, e);
1524 ed->sw_if_index = xd->sw_if_index;
1525 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1526 ed->old_link_state = (u8)
1527 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1528 ed->new_link_state = (u8) xd->link.link_status;
1531 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1532 && ((xd->link.link_status != 0) ^
1533 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1536 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1539 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1542 switch (xd->link.link_duplex)
1544 case ETH_LINK_HALF_DUPLEX:
1545 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1547 case ETH_LINK_FULL_DUPLEX:
1548 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1554 if (xd->link.link_speed != prev_link.link_speed)
1555 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1556 xd->link.link_speed * 1000);
1560 if (LINK_STATE_ELOGS)
1562 vlib_main_t *vm = vlib_get_main ();
1564 ELOG_TYPE_DECLARE (e) =
1567 "update-link-state: sw_if_index %d, new flags %d",.format_args
1575 ed = ELOG_DATA (&vm->elog_main, e);
1576 ed->sw_if_index = xd->sw_if_index;
1577 ed->flags = hw_flags;
1579 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1584 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1586 clib_error_t *error;
1587 vnet_main_t *vnm = vnet_get_main ();
1588 dpdk_main_t *dm = &dpdk_main;
1589 ethernet_main_t *em = ðernet_main;
1591 vlib_thread_main_t *tm = vlib_get_thread_main ();
1595 error = dpdk_lib_init (dm);
1598 clib_error_report (error);
1600 tm->worker_thread_release = 1;
1602 f64 now = vlib_time_now (vm);
1603 vec_foreach (xd, dm->devices)
1605 dpdk_update_link_state (xd, now);
1610 * Extra set up for bond interfaces:
1611 * 1. Setup MACs for bond interfaces and their slave links which was set
1612 * in dpdk_device_setup() but needs to be done again here to take
1614 * 2. Set up info and register slave link state change callback handling.
1615 * 3. Set up info for bond interface related CLI support.
1617 int nports = rte_eth_dev_count_avail ();
1621 RTE_ETH_FOREACH_DEV(i)
1624 for (j = 0; j < nports; j++)
1626 if (dm->devices[j].port_id == i)
1628 xd = &dm->devices[j];
1631 if (xd != NULL && xd->pmd == VNET_DPDK_PMD_BOND)
1634 dpdk_portid_t slink[16];
1635 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1638 vnet_hw_interface_t *bhi;
1639 ethernet_interface_t *bei;
1642 /* Get MAC of 1st slave link */
1644 (slink[0], (struct ether_addr *) addr);
1646 /* Set MAC of bounded interface to that of 1st slave link */
1647 dpdk_log_info ("Set MAC for bond port %d BondEthernet%d",
1648 i, xd->bond_instance_num);
1649 rv = rte_eth_bond_mac_address_set
1650 (i, (struct ether_addr *) addr);
1652 dpdk_log_warn ("Set MAC addr failure rv=%d", rv);
1654 /* Populate MAC of bonded interface in VPP hw tables */
1655 bhi = vnet_get_hw_interface
1656 (vnm, dm->devices[i].hw_if_index);
1657 bei = pool_elt_at_index
1658 (em->interfaces, bhi->hw_instance);
1659 clib_memcpy (bhi->hw_address, addr, 6);
1660 clib_memcpy (bei->address, addr, 6);
1662 /* Init l3 packet size allowed on bonded interface */
1663 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1665 { /* for all slave links */
1666 int slave = slink[--nlink];
1667 dpdk_device_t *sdev = &dm->devices[slave];
1668 vnet_hw_interface_t *shi;
1669 vnet_sw_interface_t *ssi;
1670 ethernet_interface_t *sei;
1671 /* Add MAC to all slave links except the first one */
1674 dpdk_log_info ("Add MAC for slave port %d",
1676 rv = rte_eth_dev_mac_addr_add
1677 (slave, (struct ether_addr *) addr, 0);
1679 dpdk_log_warn ("Add MAC addr failure rv=%d",
1682 /* Setup slave link state change callback handling */
1683 rte_eth_dev_callback_register
1684 (slave, RTE_ETH_EVENT_INTR_LSC,
1685 dpdk_port_state_callback, NULL);
1686 dpdk_device_t *sxd = &dm->devices[slave];
1687 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1689 /* Set slaves bitmap for bonded interface */
1690 bhi->bond_info = clib_bitmap_set
1691 (bhi->bond_info, sdev->hw_if_index, 1);
1692 /* Set MACs and slave link flags on slave interface */
1693 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1694 ssi = vnet_get_sw_interface (vnm, sdev->sw_if_index);
1695 sei = pool_elt_at_index
1696 (em->interfaces, shi->hw_instance);
1697 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1698 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1699 clib_memcpy (shi->hw_address, addr, 6);
1700 clib_memcpy (sei->address, addr, 6);
1701 /* Set l3 packet size allowed as the lowest of slave */
1702 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1703 bhi->max_packet_bytes = shi->max_packet_bytes;
1715 * check each time through the loop in case intervals are changed
1717 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1718 dm->link_state_poll_interval : dm->stat_poll_interval;
1720 vlib_process_wait_for_event_or_clock (vm, min_wait);
1722 if (dm->admin_up_down_in_progress)
1723 /* skip the poll if an admin up down is in progress (on any interface) */
1726 vec_foreach (xd, dm->devices)
1728 f64 now = vlib_time_now (vm);
1729 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1730 dpdk_update_counters (xd, now);
1731 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1732 dpdk_update_link_state (xd, now);
1741 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1742 .function = dpdk_process,
1743 .type = VLIB_NODE_TYPE_PROCESS,
1744 .name = "dpdk-process",
1745 .process_log2_n_stack_bytes = 17,
1749 static clib_error_t *
1750 dpdk_init (vlib_main_t * vm)
1752 dpdk_main_t *dm = &dpdk_main;
1753 clib_error_t *error = 0;
1755 /* verify that structs are cacheline aligned */
1756 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1757 "Cache line marker must be 1st element in dpdk_device_t");
1758 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1759 CLIB_CACHE_LINE_BYTES,
1760 "Data in cache line 0 is bigger than cache line size");
1761 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1762 "Cache line marker must be 1st element in frame_queue_trace_t");
1763 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1764 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1767 dm->vnet_main = vnet_get_main ();
1768 dm->conf = &dpdk_config_main;
1770 dm->conf->nchannels = 4;
1771 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1772 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1773 vec_add1 (dm->conf->eal_init_args, (u8 *) "--in-memory");
1775 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1776 dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID |
1777 VLIB_BUFFER_EXT_HDR_VALID |
1778 VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1779 VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
1781 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1782 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1785 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1788 dm->log_default = vlib_log_register_class ("dpdk", 0);
1793 VLIB_INIT_FUNCTION (dpdk_init);
1797 * fd.io coding-style-patch-verification: ON
1800 * eval: (c-set-style "gnu")