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;
79 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
81 dpdk_main_t *dm = &dpdk_main;
82 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
85 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
87 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
89 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
90 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
92 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
94 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
96 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
97 rte_eth_promiscuous_enable (xd->port_id);
99 rte_eth_promiscuous_disable (xd->port_id);
102 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
104 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
105 dpdk_device_setup (xd);
111 dpdk_device_lock_init (dpdk_device_t * xd)
114 vec_validate (xd->lockp, xd->tx_q_used - 1);
115 for (q = 0; q < xd->tx_q_used; q++)
117 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
118 CLIB_CACHE_LINE_BYTES);
119 memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
123 static struct rte_mempool_ops *
124 get_ops_by_name (char *ops_name)
128 for (i = 0; i < rte_mempool_ops_table.num_ops; i++)
130 if (!strcmp (ops_name, rte_mempool_ops_table.ops[i].name))
131 return &rte_mempool_ops_table.ops[i];
138 dpdk_ring_alloc (struct rte_mempool *mp)
140 u32 rg_flags = 0, count;
142 char rg_name[RTE_RING_NAMESIZE];
145 ret = snprintf (rg_name, sizeof (rg_name), RTE_MEMPOOL_MZ_FORMAT, mp->name);
146 if (ret < 0 || ret >= (i32) sizeof (rg_name))
147 return -ENAMETOOLONG;
150 if (mp->flags & MEMPOOL_F_SP_PUT)
151 rg_flags |= RING_F_SP_ENQ;
152 if (mp->flags & MEMPOOL_F_SC_GET)
153 rg_flags |= RING_F_SC_DEQ;
155 count = rte_align32pow2 (mp->size + 1);
157 * Allocate the ring that will be used to store objects.
158 * Ring functions will return appropriate errors if we are
159 * running as a secondary process etc., so no checks made
160 * in this function for that condition.
162 /* XXX can we get memory from the right socket? */
163 r = clib_mem_alloc_aligned (rte_ring_get_memsize (count),
164 CLIB_CACHE_LINE_BYTES);
166 /* XXX rte_ring_lookup will not work */
168 ret = rte_ring_init (r, rg_name, count, rg_flags);
178 dpdk_port_crc_strip_enabled (dpdk_device_t * xd)
180 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
181 if (xd->port_conf.rxmode.hw_strip_crc)
183 if (xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_CRC_STRIP)
189 static clib_error_t *
190 dpdk_lib_init (dpdk_main_t * dm)
193 u32 mtu, max_rx_frame;
197 vlib_main_t *vm = vlib_get_main ();
198 vlib_thread_main_t *tm = vlib_get_thread_main ();
199 vnet_device_main_t *vdm = &vnet_device_main;
200 vnet_sw_interface_t *sw;
201 vnet_hw_interface_t *hi;
203 vlib_pci_addr_t last_pci_addr;
204 u32 last_pci_addr_port = 0;
205 vlib_thread_registration_t *tr_hqos;
208 u32 next_hqos_cpu = 0;
209 u8 af_packet_instance_num = 0;
210 u8 bond_ether_instance_num = 0;
211 last_pci_addr.as_u32 = ~0;
213 dm->hqos_cpu_first_index = 0;
214 dm->hqos_cpu_count = 0;
216 /* find out which cpus will be used for I/O TX */
217 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
218 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
220 if (tr_hqos && tr_hqos->count > 0)
222 dm->hqos_cpu_first_index = tr_hqos->first_index;
223 dm->hqos_cpu_count = tr_hqos->count;
226 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
227 CLIB_CACHE_LINE_BYTES);
229 nports = rte_eth_dev_count_avail ();
233 dpdk_log_notice ("DPDK drivers found no ports...");
237 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
239 if (dm->conf->enable_tcp_udp_checksum)
240 dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
241 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
243 /* vlib_buffer_t template */
244 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
245 CLIB_CACHE_LINE_BYTES);
246 for (i = 0; i < tm->n_vlib_mains; i++)
248 vlib_buffer_free_list_t *fl;
249 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
250 fl = vlib_buffer_get_free_list (vm,
251 VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
252 vlib_buffer_init_for_free_list (&ptd->buffer_template, fl);
253 ptd->buffer_template.flags = dm->buffer_flags_template;
254 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
258 RTE_ETH_FOREACH_DEV(i)
262 struct rte_eth_dev_info dev_info;
263 struct rte_pci_device *pci_dev;
264 struct rte_eth_link l;
265 dpdk_device_config_t *devconf = 0;
266 vlib_pci_addr_t pci_addr;
269 if (!rte_eth_dev_is_valid_port(i))
272 rte_eth_link_get_nowait (i, &l);
273 rte_eth_dev_info_get (i, &dev_info);
275 if (dev_info.device == 0)
277 clib_warning ("DPDK bug: missing device info. Skipping %s device",
278 dev_info.driver_name);
281 pci_dev = RTE_DEV_TO_PCI (dev_info.device);
283 if (pci_dev) /* bonded interface has no pci info */
285 pci_addr.domain = pci_dev->addr.domain;
286 pci_addr.bus = pci_dev->addr.bus;
287 pci_addr.slot = pci_dev->addr.devid;
288 pci_addr.function = pci_dev->addr.function;
289 p = hash_get (dm->conf->device_config_index_by_pci_addr,
294 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
296 devconf = &dm->conf->default_devconf;
298 /* Create vnet interface */
299 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
300 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
301 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
302 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
304 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
307 struct rte_eth_dev_info di = { 0 };
308 struct rte_pci_device *next_pci_dev;
309 rte_eth_dev_info_get (i + 1, &di);
310 next_pci_dev = di.device ? RTE_DEV_TO_PCI (di.device) : 0;
311 if (pci_dev && next_pci_dev &&
312 pci_addr.as_u32 != last_pci_addr.as_u32 &&
313 memcmp (&pci_dev->addr, &next_pci_dev->addr,
314 sizeof (struct rte_pci_addr)) == 0)
316 xd->interface_name_suffix = format (0, "0");
317 last_pci_addr.as_u32 = pci_addr.as_u32;
318 last_pci_addr_port = i;
320 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
322 xd->interface_name_suffix =
323 format (0, "%u", i - last_pci_addr_port);
327 last_pci_addr.as_u32 = ~0;
331 last_pci_addr.as_u32 = ~0;
333 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
334 sizeof (struct rte_eth_txconf));
336 if (dm->conf->no_multi_seg)
338 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
339 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
340 xd->port_conf.rxmode.jumbo_frame = 0;
341 xd->port_conf.rxmode.enable_scatter = 0;
343 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
344 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
345 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
350 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
351 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
352 xd->port_conf.rxmode.jumbo_frame = 1;
353 xd->port_conf.rxmode.enable_scatter = 1;
355 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
356 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
357 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
359 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
362 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
364 if (devconf->num_tx_queues > 0
365 && devconf->num_tx_queues < xd->tx_q_used)
366 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
368 if (devconf->num_rx_queues > 1
369 && dev_info.max_rx_queues >= devconf->num_rx_queues)
371 xd->rx_q_used = devconf->num_rx_queues;
372 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
373 if (devconf->rss_fn == 0)
374 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
375 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
378 u64 unsupported_bits;
379 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
380 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
381 unsupported_bits &= ~dev_info.flow_type_rss_offloads;
382 if (unsupported_bits)
383 dpdk_log_warn ("Unsupported RSS hash functions: %U",
384 format_dpdk_rss_hf_name, unsupported_bits);
386 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
387 dev_info.flow_type_rss_offloads;
392 xd->flags |= DPDK_DEVICE_FLAG_PMD;
394 /* workaround for drivers not setting driver_name */
395 if ((!dev_info.driver_name) && (pci_dev))
396 dev_info.driver_name = pci_dev->driver->driver.name;
398 ASSERT (dev_info.driver_name);
404 #define _(s,f) else if (dev_info.driver_name && \
405 !strcmp(dev_info.driver_name, s)) \
406 xd->pmd = VNET_DPDK_PMD_##f;
412 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
414 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
415 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
416 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
420 /* Drivers with valid speed_capa set */
421 case VNET_DPDK_PMD_E1000EM:
422 case VNET_DPDK_PMD_IGB:
423 case VNET_DPDK_PMD_IXGBE:
424 case VNET_DPDK_PMD_I40E:
425 xd->port_type = port_type_from_speed_capa (&dev_info);
426 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
427 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
428 VNET_FLOW_ACTION_BUFFER_ADVANCE |
429 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
431 if (dm->conf->no_tx_checksum_offload == 0)
433 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
434 xd->tx_conf.txq_flags &= ~(ETH_TXQ_FLAGS_NOXSUMUDP |
435 ETH_TXQ_FLAGS_NOXSUMTCP);
437 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
438 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
441 DPDK_DEVICE_FLAG_TX_OFFLOAD |
442 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
447 case VNET_DPDK_PMD_CXGBE:
448 case VNET_DPDK_PMD_MLX4:
449 case VNET_DPDK_PMD_MLX5:
450 case VNET_DPDK_PMD_QEDE:
451 xd->port_type = port_type_from_speed_capa (&dev_info);
455 case VNET_DPDK_PMD_IGBVF:
456 case VNET_DPDK_PMD_IXGBEVF:
457 case VNET_DPDK_PMD_I40EVF:
458 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
459 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
460 xd->port_conf.rxmode.hw_strip_crc = 1;
462 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
466 case VNET_DPDK_PMD_THUNDERX:
467 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
468 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
469 xd->port_conf.rxmode.hw_strip_crc = 1;
471 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
475 case VNET_DPDK_PMD_ENA:
476 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
477 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
478 xd->port_conf.rxmode.enable_scatter = 0;
480 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
484 case VNET_DPDK_PMD_DPAA2:
485 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
489 case VNET_DPDK_PMD_ENIC:
490 if (l.link_speed == 40000)
491 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
493 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
496 /* Intel Red Rock Canyon */
497 case VNET_DPDK_PMD_FM10K:
498 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
499 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
500 xd->port_conf.rxmode.hw_strip_crc = 1;
502 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
507 case VNET_DPDK_PMD_VIRTIO:
508 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
509 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
510 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
514 case VNET_DPDK_PMD_VMXNET3:
515 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
516 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
517 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
519 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
523 case VNET_DPDK_PMD_AF_PACKET:
524 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
525 xd->af_packet_instance_num = af_packet_instance_num++;
528 case VNET_DPDK_PMD_BOND:
529 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
530 xd->bond_instance_num = bond_ether_instance_num++;
533 case VNET_DPDK_PMD_VIRTIO_USER:
534 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
537 case VNET_DPDK_PMD_VHOST_ETHER:
538 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
541 case VNET_DPDK_PMD_LIOVF_ETHER:
542 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
545 case VNET_DPDK_PMD_FAILSAFE:
546 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
547 xd->port_conf.intr_conf.lsc = 1;
551 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
554 if (devconf->num_rx_desc)
555 xd->nb_rx_desc = devconf->num_rx_desc;
557 if (devconf->num_tx_desc)
558 xd->nb_tx_desc = devconf->num_tx_desc;
561 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
563 f64 now = vlib_time_now (vm);
565 rnd = (u32) (now * 1e6);
566 rnd = random_u32 (&rnd);
567 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
572 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
574 if (xd->tx_q_used < tm->n_vlib_mains)
575 dpdk_device_lock_init (xd);
578 xd->device_index = xd - dm->devices;
579 xd->per_interface_next_index = ~0;
581 /* assign interface to input thread */
584 if (devconf->hqos_enabled)
586 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
589 if (devconf->hqos.hqos_thread_valid)
591 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
592 return clib_error_return (0, "invalid HQoS thread index");
594 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
598 if (dm->hqos_cpu_count == 0)
599 return clib_error_return (0, "no HQoS threads available");
601 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
604 if (next_hqos_cpu == dm->hqos_cpu_count)
607 devconf->hqos.hqos_thread_valid = 1;
608 devconf->hqos.hqos_thread = cpu;
611 dpdk_device_and_queue_t *dq;
612 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
613 dq->device = xd->device_index;
617 /* count the number of descriptors used for this device */
618 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
620 error = ethernet_register_interface
621 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
622 /* ethernet address */ addr,
623 &xd->hw_if_index, dpdk_flag_change);
628 * Ensure default mtu is not > the mtu read from the hardware.
629 * Otherwise rte_eth_dev_configure() will fail and the port will
631 * Calculate max_frame_size and mtu supported by NIC
633 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
636 * This device does not support the platforms's max frame
637 * size. Use it's advertised mru instead.
639 max_rx_frame = dev_info.max_rx_pktlen;
640 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
644 /* VPP treats MTU and max_rx_pktlen both equal to
645 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
646 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
648 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
649 sizeof (ethernet_header_t)))
651 mtu = ETHERNET_MAX_PACKET_BYTES;
652 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
655 * Some platforms do not account for Ethernet FCS (4 bytes) in
656 * MTU calculations. To interop with them increase mru but only
657 * if the device's settings can support it.
659 if (dpdk_port_crc_strip_enabled (xd) &&
660 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
661 sizeof (ethernet_header_t) +
669 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
670 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
672 if (dpdk_port_crc_strip_enabled (xd) &&
673 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
680 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
682 /* failsafe device numerables are reported with active device only,
683 * need to query the mtu for current device setup to overwrite
687 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
690 max_rx_frame = mtu + sizeof (ethernet_header_t);
692 if (dpdk_port_crc_strip_enabled (xd))
699 /*Set port rxmode config */
700 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
702 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
703 xd->sw_if_index = sw->sw_if_index;
704 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
705 dpdk_input_node.index);
707 if (devconf->workers)
711 clib_bitmap_foreach (i, devconf->workers, ({
712 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
713 vdm->first_worker_thread_index + i);
717 for (q = 0; q < xd->rx_q_used; q++)
719 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
723 /*Get vnet hardware interface */
724 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
726 /*Override default max_packet_bytes and max_supported_bytes set in
727 * ethernet_register_interface() above*/
730 hi->max_packet_bytes = mtu;
731 hi->max_supported_packet_bytes = max_rx_frame;
734 if (dm->conf->no_tx_checksum_offload == 0)
735 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
736 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
738 dpdk_device_setup (xd);
740 if (vec_len (xd->errors))
741 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
742 format_dpdk_device_name, i,
743 format_dpdk_device_errors, xd);
745 if (devconf->hqos_enabled)
748 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
754 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
755 * specified otherwise in the startup config.
756 * For other NICs default to VLAN strip disabled, unless specified
757 * otherwise in the startup config.
759 if (xd->pmd == VNET_DPDK_PMD_ENIC)
761 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
762 vlan_strip = 1; /* remove vlan tag from VIC port by default */
764 dpdk_log_warn ("VLAN strip disabled for interface\n");
766 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
772 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
773 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
774 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
775 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
778 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
780 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
782 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) == 0)
783 dpdk_log_info ("VLAN strip enabled for interface\n");
785 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
789 hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
790 - sizeof (ethernet_header_t);
792 clib_warning ("hi NULL");
794 if (dm->conf->no_multi_seg)
795 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
797 rte_eth_dev_set_mtu (xd->port_id, mtu);
801 if (nb_desc > dm->conf->num_mbufs)
802 dpdk_log_err ("%d mbufs allocated but total rx/tx ring size is %d\n",
803 dm->conf->num_mbufs, nb_desc);
809 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
813 int num_whitelisted = vec_len (conf->dev_confs);
814 vlib_pci_device_info_t *d = 0;
815 vlib_pci_addr_t *addr = 0, *addrs;
817 addrs = vlib_pci_get_all_dev_addrs ();
819 vec_foreach (addr, addrs)
821 dpdk_device_config_t * devconf = 0;
822 vec_reset_length (pci_addr);
823 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
826 vlib_pci_free_device_info (d);
829 d = vlib_pci_get_device_info (addr, &error);
832 clib_error_report (error);
836 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
841 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
846 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
850 if (d->vendor_id == 0x1af4 &&
851 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
852 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
855 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
857 /* all Intel network devices */
858 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
860 /* all Intel QAT devices VFs */
861 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
862 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
865 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
868 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
870 /* Amazen Elastic Network Adapter */
871 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
873 /* Cavium Network Adapter */
874 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
876 /* Cavium FastlinQ QL41000 Series */
877 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
880 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
885 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
891 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
892 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
897 error = vlib_pci_bind_to_uio (addr, (char *) conf->uio_driver_name);
903 pool_get (conf->dev_confs, devconf);
904 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
905 devconf - conf->dev_confs);
906 devconf->pci_addr.as_u32 = addr->as_u32;
908 devconf->is_blacklisted = 1;
909 clib_error_report (error);
914 vlib_pci_free_device_info (d);
917 static clib_error_t *
918 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
919 unformat_input_t * input, u8 is_default)
921 clib_error_t *error = 0;
923 dpdk_device_config_t *devconf;
924 unformat_input_t sub_input;
928 devconf = &conf->default_devconf;
932 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
936 pool_get (conf->dev_confs, devconf);
937 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
938 devconf - conf->dev_confs);
941 return clib_error_return (0,
942 "duplicate configuration for PCI address %U",
943 format_vlib_pci_addr, &pci_addr);
946 devconf->pci_addr.as_u32 = pci_addr.as_u32;
947 devconf->hqos_enabled = 0;
948 dpdk_device_config_hqos_default (&devconf->hqos);
953 unformat_skip_white_space (input);
954 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
956 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
958 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
960 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
962 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
964 else if (unformat (input, "workers %U", unformat_bitmap_list,
969 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
971 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
975 else if (unformat (input, "vlan-strip-offload off"))
976 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
977 else if (unformat (input, "vlan-strip-offload on"))
978 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
981 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
983 devconf->hqos_enabled = 1;
984 error = unformat_hqos (&sub_input, &devconf->hqos);
988 else if (unformat (input, "hqos"))
990 devconf->hqos_enabled = 1;
994 error = clib_error_return (0, "unknown input `%U'",
995 format_unformat_error, input);
1003 if (devconf->workers && devconf->num_rx_queues == 0)
1004 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1005 else if (devconf->workers &&
1006 clib_bitmap_count_set_bits (devconf->workers) !=
1007 devconf->num_rx_queues)
1009 clib_error_return (0,
1010 "%U: number of worker threads must be "
1011 "equal to number of rx queues", format_vlib_pci_addr,
1017 static clib_error_t *
1018 dpdk_log_read_ready (clib_file_t * uf)
1020 unformat_input_t input;
1027 uword len = vec_len (s);
1028 vec_resize (s, len + n_try);
1030 n = read (uf->file_descriptor, s + len, n_try);
1031 if (n < 0 && errno != EAGAIN)
1032 return clib_error_return_unix (0, "read");
1033 _vec_len (s) = len + (n < 0 ? 0 : n);
1036 unformat_init_vector (&input, s);
1038 while (unformat_user (&input, unformat_line, &line))
1040 dpdk_log_notice ("%v", line);
1044 unformat_free (&input);
1048 static clib_error_t *
1049 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1051 clib_error_t *error = 0;
1052 dpdk_config_main_t *conf = &dpdk_config_main;
1053 vlib_thread_main_t *tm = vlib_get_thread_main ();
1054 dpdk_device_config_t *devconf;
1055 vlib_pci_addr_t pci_addr;
1056 unformat_input_t sub_input;
1061 int num_whitelisted = 0;
1067 u8 *huge_dir_path = 0;
1070 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1072 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1073 log_level = RTE_LOG_NOTICE;
1075 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1077 /* Prime the pump */
1078 if (unformat (input, "no-hugetlb"))
1080 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1084 else if (unformat (input, "enable-tcp-udp-checksum"))
1085 conf->enable_tcp_udp_checksum = 1;
1087 else if (unformat (input, "no-tx-checksum-offload"))
1088 conf->no_tx_checksum_offload = 1;
1090 else if (unformat (input, "decimal-interface-names"))
1091 conf->interface_name_format_decimal = 1;
1093 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
1096 else if (unformat (input, "no-multi-seg"))
1097 conf->no_multi_seg = 1;
1099 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1103 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1111 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1112 unformat_vlib_cli_sub_input, &sub_input))
1114 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1121 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1123 error = dpdk_device_config (conf, pci_addr, 0, 0);
1130 else if (unformat (input, "num-mem-channels %d", &conf->nchannels))
1131 conf->nchannels_set_manually = 0;
1132 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1134 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1136 else if (unformat (input, "socket-mem %s", &socket_mem))
1138 else if (unformat (input, "no-pci"))
1141 tmp = format (0, "--no-pci%c", 0);
1142 vec_add1 (conf->eal_init_args, tmp);
1146 else if (unformat(input, #a)) \
1148 tmp = format (0, "--%s%c", #a, 0); \
1149 vec_add1 (conf->eal_init_args, tmp); \
1151 foreach_eal_double_hyphen_predicate_arg
1154 else if (unformat(input, #a " %s", &s)) \
1156 if (!strncmp(#a, "huge-dir", 8)) \
1158 else if (!strncmp(#a, "file-prefix", 11)) \
1160 tmp = format (0, "--%s%c", #a, 0); \
1161 vec_add1 (conf->eal_init_args, tmp); \
1163 if (!strncmp(#a, "vdev", 4)) \
1164 if (strstr((char*)s, "af_packet")) \
1165 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1166 vec_add1 (conf->eal_init_args, s); \
1168 foreach_eal_double_hyphen_arg
1171 else if (unformat(input, #a " %s", &s)) \
1173 tmp = format (0, "-%s%c", #b, 0); \
1174 vec_add1 (conf->eal_init_args, tmp); \
1176 vec_add1 (conf->eal_init_args, s); \
1178 foreach_eal_single_hyphen_arg
1181 else if (unformat(input, #a " %s", &s)) \
1183 tmp = format (0, "-%s%c", #b, 0); \
1184 vec_add1 (conf->eal_init_args, tmp); \
1186 vec_add1 (conf->eal_init_args, s); \
1187 conf->a##_set_manually = 1; \
1189 foreach_eal_single_hyphen_mandatory_arg
1191 else if (unformat (input, "default"))
1194 else if (unformat_skip_white_space (input))
1198 error = clib_error_return (0, "unknown input `%U'",
1199 format_unformat_error, input);
1204 if (!conf->uio_driver_name)
1205 conf->uio_driver_name = format (0, "auto%c", 0);
1208 * Use 1G huge pages if available.
1210 if (!no_huge && !huge_dir)
1212 u32 x, *mem_by_socket = 0;
1216 umount ((char *) huge_dir_path);
1218 /* Process "socket-mem" parameter value */
1219 if (vec_len (socket_mem))
1221 unformat_input_t in;
1222 unformat_init_vector (&in, socket_mem);
1223 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1225 if (unformat (&in, "%u,", &x))
1227 else if (unformat (&in, "%u", &x))
1229 else if (unformat (&in, ","))
1234 vec_add1 (mem_by_socket, x);
1236 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1237 unformat_free (&in);
1243 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1245 vec_validate(mem_by_socket, c);
1246 mem_by_socket[c] = 64; /* default per-socket mem */
1253 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1257 vec_validate(mem_by_socket, c);
1259 e = clib_sysfs_prealloc_hugepages(c, 2 << 10, mem_by_socket[c] / 2);
1261 clib_error_report (e);
1265 if (mem_by_socket == 0)
1267 error = clib_error_return (0, "mem_by_socket NULL");
1270 _vec_len (mem_by_socket) = c + 1;
1272 /* regenerate socket_mem string */
1273 vec_foreach_index (x, mem_by_socket)
1274 socket_mem = format (socket_mem, "%s%u",
1275 socket_mem ? "," : "", mem_by_socket[x]);
1276 socket_mem = format (socket_mem, "%c", 0);
1278 vec_free (mem_by_socket);
1280 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1286 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1290 error = clib_error_return (0, "mount failed %d", errno);
1294 tmp = format (0, "--huge-dir%c", 0);
1295 vec_add1 (conf->eal_init_args, tmp);
1296 tmp = format (0, "%s%c", huge_dir_path, 0);
1297 vec_add1 (conf->eal_init_args, tmp);
1300 tmp = format (0, "--file-prefix%c", 0);
1301 vec_add1 (conf->eal_init_args, tmp);
1302 tmp = format (0, "vpp%c", 0);
1303 vec_add1 (conf->eal_init_args, tmp);
1310 /* I'll bet that -c and -n must be the first and second args... */
1311 if (!conf->coremask_set_manually)
1313 vlib_thread_registration_t *tr;
1314 uword *coremask = 0;
1317 /* main thread core */
1318 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1320 for (i = 0; i < vec_len (tm->registrations); i++)
1322 tr = tm->registrations[i];
1323 coremask = clib_bitmap_or (coremask, tr->coremask);
1326 vec_insert (conf->eal_init_args, 2, 1);
1327 conf->eal_init_args[1] = (u8 *) "-c";
1328 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1329 conf->eal_init_args[2] = tmp;
1330 clib_bitmap_free (coremask);
1333 if (!conf->nchannels_set_manually)
1335 vec_insert (conf->eal_init_args, 2, 3);
1336 conf->eal_init_args[3] = (u8 *) "-n";
1337 tmp = format (0, "%d", conf->nchannels);
1338 conf->eal_init_args[4] = tmp;
1341 if (no_pci == 0 && geteuid () == 0)
1342 dpdk_bind_devices_to_uio (conf);
1345 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1346 devconf->x = conf->default_devconf.x ;
1349 pool_foreach (devconf, conf->dev_confs, ({
1351 /* default per-device config items */
1352 foreach_dpdk_device_config_item
1354 /* add DPDK EAL whitelist/blacklist entry */
1355 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1357 tmp = format (0, "-w%c", 0);
1358 vec_add1 (conf->eal_init_args, tmp);
1359 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1360 vec_add1 (conf->eal_init_args, tmp);
1362 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1364 tmp = format (0, "-b%c", 0);
1365 vec_add1 (conf->eal_init_args, tmp);
1366 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1367 vec_add1 (conf->eal_init_args, tmp);
1374 /* set master-lcore */
1375 tmp = format (0, "--master-lcore%c", 0);
1376 vec_add1 (conf->eal_init_args, tmp);
1377 tmp = format (0, "%u%c", tm->main_lcore, 0);
1378 vec_add1 (conf->eal_init_args, tmp);
1380 /* set socket-mem */
1383 tmp = format (0, "--socket-mem%c", 0);
1384 vec_add1 (conf->eal_init_args, tmp);
1385 tmp = format (0, "%s%c", socket_mem, 0);
1386 vec_add1 (conf->eal_init_args, tmp);
1389 /* NULL terminate the "argv" vector, in case of stupidity */
1390 vec_add1 (conf->eal_init_args, 0);
1391 _vec_len (conf->eal_init_args) -= 1;
1393 /* Set up DPDK eal and packet mbuf pool early. */
1395 rte_log_set_global_level (log_level);
1396 int log_fds[2] = { 0 };
1397 if (pipe (log_fds) == 0)
1399 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1401 FILE *f = fdopen (log_fds[1], "a");
1402 if (f && rte_openlog_stream (f) == 0)
1404 clib_file_t t = { 0 };
1405 t.read_function = dpdk_log_read_ready;
1406 t.file_descriptor = log_fds[0];
1407 t.description = format (0, "DPDK logging pipe");
1408 clib_file_add (&file_main, &t);
1418 vm = vlib_get_main ();
1420 /* make copy of args as rte_eal_init tends to mess up with arg array */
1421 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1422 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1423 conf->eal_init_args[i]);
1425 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1426 ret = rte_eal_init (vec_len (conf->eal_init_args),
1427 (char **) conf->eal_init_args);
1429 /* lazy umount hugepages */
1430 umount2 ((char *) huge_dir_path, MNT_DETACH);
1431 rmdir ((char *) huge_dir_path);
1432 vec_free (huge_dir_path);
1435 return clib_error_return (0, "rte_eal_init returned %d", ret);
1437 /* set custom ring memory allocator */
1439 struct rte_mempool_ops *ops = NULL;
1441 ops = get_ops_by_name ("ring_sp_sc");
1442 ops->alloc = dpdk_ring_alloc;
1444 ops = get_ops_by_name ("ring_mp_sc");
1445 ops->alloc = dpdk_ring_alloc;
1447 ops = get_ops_by_name ("ring_sp_mc");
1448 ops->alloc = dpdk_ring_alloc;
1450 ops = get_ops_by_name ("ring_mp_mc");
1451 ops->alloc = dpdk_ring_alloc;
1454 /* main thread 1st */
1455 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1459 for (i = 0; i < RTE_MAX_LCORE; i++)
1461 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1462 rte_lcore_to_socket_id (i));
1471 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1474 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1476 vnet_main_t *vnm = vnet_get_main ();
1477 struct rte_eth_link prev_link = xd->link;
1479 u8 hw_flags_chg = 0;
1481 /* only update link state for PMD interfaces */
1482 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1485 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1486 memset (&xd->link, 0, sizeof (xd->link));
1487 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1489 if (LINK_STATE_ELOGS)
1491 vlib_main_t *vm = vlib_get_main ();
1492 ELOG_TYPE_DECLARE (e) =
1495 "update-link-state: sw_if_index %d, admin_up %d,"
1496 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1505 ed = ELOG_DATA (&vm->elog_main, e);
1506 ed->sw_if_index = xd->sw_if_index;
1507 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1508 ed->old_link_state = (u8)
1509 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1510 ed->new_link_state = (u8) xd->link.link_status;
1513 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1514 && ((xd->link.link_status != 0) ^
1515 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1518 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1521 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1524 switch (xd->link.link_duplex)
1526 case ETH_LINK_HALF_DUPLEX:
1527 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1529 case ETH_LINK_FULL_DUPLEX:
1530 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1536 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1539 switch (xd->link.link_speed)
1541 case ETH_SPEED_NUM_10M:
1542 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1544 case ETH_SPEED_NUM_100M:
1545 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1547 case ETH_SPEED_NUM_1G:
1548 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1550 case ETH_SPEED_NUM_2_5G:
1551 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_2_5G;
1553 case ETH_SPEED_NUM_5G:
1554 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_5G;
1556 case ETH_SPEED_NUM_10G:
1557 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1559 case ETH_SPEED_NUM_20G:
1560 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_20G;
1562 case ETH_SPEED_NUM_25G:
1563 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_25G;
1565 case ETH_SPEED_NUM_40G:
1566 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1568 case ETH_SPEED_NUM_50G:
1569 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_50G;
1571 case ETH_SPEED_NUM_56G:
1572 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_56G;
1574 case ETH_SPEED_NUM_100G:
1575 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100G;
1580 dpdk_log_warn ("unknown link speed %d", xd->link.link_speed);
1586 if (LINK_STATE_ELOGS)
1588 vlib_main_t *vm = vlib_get_main ();
1590 ELOG_TYPE_DECLARE (e) =
1593 "update-link-state: sw_if_index %d, new flags %d",.format_args
1601 ed = ELOG_DATA (&vm->elog_main, e);
1602 ed->sw_if_index = xd->sw_if_index;
1603 ed->flags = hw_flags;
1605 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1610 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1612 clib_error_t *error;
1613 vnet_main_t *vnm = vnet_get_main ();
1614 dpdk_main_t *dm = &dpdk_main;
1615 ethernet_main_t *em = ðernet_main;
1617 vlib_thread_main_t *tm = vlib_get_thread_main ();
1621 error = dpdk_lib_init (dm);
1624 clib_error_report (error);
1626 tm->worker_thread_release = 1;
1628 f64 now = vlib_time_now (vm);
1629 vec_foreach (xd, dm->devices)
1631 dpdk_update_link_state (xd, now);
1636 * Extra set up for bond interfaces:
1637 * 1. Setup MACs for bond interfaces and their slave links which was set
1638 * in dpdk_device_setup() but needs to be done again here to take
1640 * 2. Set up info and register slave link state change callback handling.
1641 * 3. Set up info for bond interface related CLI support.
1643 int nports = rte_eth_dev_count_avail ();
1647 RTE_ETH_FOREACH_DEV(i)
1650 for (j = 0; j < nports; j++)
1652 if (dm->devices[j].port_id == i)
1654 xd = &dm->devices[j];
1657 if (xd != NULL && xd->pmd == VNET_DPDK_PMD_BOND)
1660 dpdk_portid_t slink[16];
1661 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1664 vnet_hw_interface_t *bhi;
1665 ethernet_interface_t *bei;
1668 /* Get MAC of 1st slave link */
1670 (slink[0], (struct ether_addr *) addr);
1672 /* Set MAC of bounded interface to that of 1st slave link */
1673 dpdk_log_info ("Set MAC for bond port %d BondEthernet%d",
1674 i, xd->bond_instance_num);
1675 rv = rte_eth_bond_mac_address_set
1676 (i, (struct ether_addr *) addr);
1678 dpdk_log_warn ("Set MAC addr failure rv=%d", rv);
1680 /* Populate MAC of bonded interface in VPP hw tables */
1681 bhi = vnet_get_hw_interface
1682 (vnm, dm->devices[i].hw_if_index);
1683 bei = pool_elt_at_index
1684 (em->interfaces, bhi->hw_instance);
1685 clib_memcpy (bhi->hw_address, addr, 6);
1686 clib_memcpy (bei->address, addr, 6);
1688 /* Init l3 packet size allowed on bonded interface */
1689 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1691 { /* for all slave links */
1692 int slave = slink[--nlink];
1693 dpdk_device_t *sdev = &dm->devices[slave];
1694 vnet_hw_interface_t *shi;
1695 vnet_sw_interface_t *ssi;
1696 ethernet_interface_t *sei;
1697 /* Add MAC to all slave links except the first one */
1700 dpdk_log_info ("Add MAC for slave port %d",
1702 rv = rte_eth_dev_mac_addr_add
1703 (slave, (struct ether_addr *) addr, 0);
1705 dpdk_log_warn ("Add MAC addr failure rv=%d",
1708 /* Setup slave link state change callback handling */
1709 rte_eth_dev_callback_register
1710 (slave, RTE_ETH_EVENT_INTR_LSC,
1711 dpdk_port_state_callback, NULL);
1712 dpdk_device_t *sxd = &dm->devices[slave];
1713 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1715 /* Set slaves bitmap for bonded interface */
1716 bhi->bond_info = clib_bitmap_set
1717 (bhi->bond_info, sdev->hw_if_index, 1);
1718 /* Set MACs and slave link flags on slave interface */
1719 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1720 ssi = vnet_get_sw_interface (vnm, sdev->sw_if_index);
1721 sei = pool_elt_at_index
1722 (em->interfaces, shi->hw_instance);
1723 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1724 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1725 clib_memcpy (shi->hw_address, addr, 6);
1726 clib_memcpy (sei->address, addr, 6);
1727 /* Set l3 packet size allowed as the lowest of slave */
1728 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1729 bhi->max_packet_bytes = shi->max_packet_bytes;
1741 * check each time through the loop in case intervals are changed
1743 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1744 dm->link_state_poll_interval : dm->stat_poll_interval;
1746 vlib_process_wait_for_event_or_clock (vm, min_wait);
1748 if (dm->admin_up_down_in_progress)
1749 /* skip the poll if an admin up down is in progress (on any interface) */
1752 vec_foreach (xd, dm->devices)
1754 f64 now = vlib_time_now (vm);
1755 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1756 dpdk_update_counters (xd, now);
1757 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1758 dpdk_update_link_state (xd, now);
1767 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1768 .function = dpdk_process,
1769 .type = VLIB_NODE_TYPE_PROCESS,
1770 .name = "dpdk-process",
1771 .process_log2_n_stack_bytes = 17,
1775 static clib_error_t *
1776 dpdk_init (vlib_main_t * vm)
1778 dpdk_main_t *dm = &dpdk_main;
1779 clib_error_t *error = 0;
1781 /* verify that structs are cacheline aligned */
1782 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1783 "Cache line marker must be 1st element in dpdk_device_t");
1784 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1785 CLIB_CACHE_LINE_BYTES,
1786 "Data in cache line 0 is bigger than cache line size");
1787 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1788 "Cache line marker must be 1st element in frame_queue_trace_t");
1789 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1790 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1793 dm->vnet_main = vnet_get_main ();
1794 dm->conf = &dpdk_config_main;
1796 dm->conf->nchannels = 4;
1797 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1798 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1800 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1801 dm->buffer_flags_template =
1802 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1803 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1804 VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
1806 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1807 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1810 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1813 dm->log_default = vlib_log_register_class ("dpdk", 0);
1818 VLIB_INIT_FUNCTION (dpdk_init);
1822 * fd.io coding-style-patch-verification: ON
1825 * eval: (c-set-style "gnu")