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);
282 pci_dev = dpdk_get_pci_device (&dev_info);
284 if (pci_dev) /* bonded interface has no pci info */
286 pci_addr.domain = pci_dev->addr.domain;
287 pci_addr.bus = pci_dev->addr.bus;
288 pci_addr.slot = pci_dev->addr.devid;
289 pci_addr.function = pci_dev->addr.function;
290 p = hash_get (dm->conf->device_config_index_by_pci_addr,
295 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
297 devconf = &dm->conf->default_devconf;
299 /* Create vnet interface */
300 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
301 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
302 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
303 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
305 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
308 struct rte_eth_dev_info di = { 0 };
309 struct rte_pci_device *next_pci_dev;
310 rte_eth_dev_info_get (i + 1, &di);
311 next_pci_dev = di.device ? RTE_DEV_TO_PCI (di.device) : 0;
312 if (pci_dev && next_pci_dev &&
313 pci_addr.as_u32 != last_pci_addr.as_u32 &&
314 memcmp (&pci_dev->addr, &next_pci_dev->addr,
315 sizeof (struct rte_pci_addr)) == 0)
317 xd->interface_name_suffix = format (0, "0");
318 last_pci_addr.as_u32 = pci_addr.as_u32;
319 last_pci_addr_port = i;
321 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
323 xd->interface_name_suffix =
324 format (0, "%u", i - last_pci_addr_port);
328 last_pci_addr.as_u32 = ~0;
332 last_pci_addr.as_u32 = ~0;
334 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
335 sizeof (struct rte_eth_txconf));
337 if (dm->conf->no_multi_seg)
339 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
340 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
341 xd->port_conf.rxmode.jumbo_frame = 0;
342 xd->port_conf.rxmode.enable_scatter = 0;
344 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
345 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
346 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
351 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
352 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
353 xd->port_conf.rxmode.jumbo_frame = 1;
354 xd->port_conf.rxmode.enable_scatter = 1;
356 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
357 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
358 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
360 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
363 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
365 if (devconf->num_tx_queues > 0
366 && devconf->num_tx_queues < xd->tx_q_used)
367 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
369 if (devconf->num_rx_queues > 1
370 && dev_info.max_rx_queues >= devconf->num_rx_queues)
372 xd->rx_q_used = devconf->num_rx_queues;
373 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
374 if (devconf->rss_fn == 0)
375 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
376 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
379 u64 unsupported_bits;
380 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
381 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
382 unsupported_bits &= ~dev_info.flow_type_rss_offloads;
383 if (unsupported_bits)
384 dpdk_log_warn ("Unsupported RSS hash functions: %U",
385 format_dpdk_rss_hf_name, unsupported_bits);
387 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
388 dev_info.flow_type_rss_offloads;
393 xd->flags |= DPDK_DEVICE_FLAG_PMD;
395 /* workaround for drivers not setting driver_name */
396 if ((!dev_info.driver_name) && (pci_dev))
397 dev_info.driver_name = pci_dev->driver->driver.name;
399 ASSERT (dev_info.driver_name);
405 #define _(s,f) else if (dev_info.driver_name && \
406 !strcmp(dev_info.driver_name, s)) \
407 xd->pmd = VNET_DPDK_PMD_##f;
413 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
415 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
416 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
417 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
421 /* Drivers with valid speed_capa set */
422 case VNET_DPDK_PMD_E1000EM:
423 case VNET_DPDK_PMD_IGB:
424 case VNET_DPDK_PMD_IXGBE:
425 case VNET_DPDK_PMD_I40E:
426 xd->port_type = port_type_from_speed_capa (&dev_info);
427 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
428 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
429 VNET_FLOW_ACTION_BUFFER_ADVANCE |
430 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
432 if (dm->conf->no_tx_checksum_offload == 0)
434 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
435 xd->tx_conf.txq_flags &= ~(ETH_TXQ_FLAGS_NOXSUMUDP |
436 ETH_TXQ_FLAGS_NOXSUMTCP);
438 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
439 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
442 DPDK_DEVICE_FLAG_TX_OFFLOAD |
443 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
448 case VNET_DPDK_PMD_CXGBE:
449 case VNET_DPDK_PMD_MLX4:
450 case VNET_DPDK_PMD_MLX5:
451 case VNET_DPDK_PMD_QEDE:
452 xd->port_type = port_type_from_speed_capa (&dev_info);
456 case VNET_DPDK_PMD_IGBVF:
457 case VNET_DPDK_PMD_IXGBEVF:
458 case VNET_DPDK_PMD_I40EVF:
459 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
460 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
461 xd->port_conf.rxmode.hw_strip_crc = 1;
463 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
467 case VNET_DPDK_PMD_THUNDERX:
468 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
469 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
470 xd->port_conf.rxmode.hw_strip_crc = 1;
472 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
476 case VNET_DPDK_PMD_ENA:
477 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
478 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
479 xd->port_conf.rxmode.enable_scatter = 0;
481 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
485 case VNET_DPDK_PMD_DPAA2:
486 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
490 case VNET_DPDK_PMD_ENIC:
491 if (l.link_speed == 40000)
492 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
494 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
497 /* Intel Red Rock Canyon */
498 case VNET_DPDK_PMD_FM10K:
499 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
500 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
501 xd->port_conf.rxmode.hw_strip_crc = 1;
503 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
508 case VNET_DPDK_PMD_VIRTIO:
509 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
510 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
511 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
515 case VNET_DPDK_PMD_VMXNET3:
516 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
517 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
518 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
520 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
524 case VNET_DPDK_PMD_AF_PACKET:
525 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
526 xd->af_packet_instance_num = af_packet_instance_num++;
529 case VNET_DPDK_PMD_BOND:
530 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
531 xd->bond_instance_num = bond_ether_instance_num++;
534 case VNET_DPDK_PMD_VIRTIO_USER:
535 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
538 case VNET_DPDK_PMD_VHOST_ETHER:
539 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
542 case VNET_DPDK_PMD_LIOVF_ETHER:
543 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
546 case VNET_DPDK_PMD_FAILSAFE:
547 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
548 xd->port_conf.intr_conf.lsc = 1;
552 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
555 if (devconf->num_rx_desc)
556 xd->nb_rx_desc = devconf->num_rx_desc;
558 if (devconf->num_tx_desc)
559 xd->nb_tx_desc = devconf->num_tx_desc;
562 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
564 f64 now = vlib_time_now (vm);
566 rnd = (u32) (now * 1e6);
567 rnd = random_u32 (&rnd);
568 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
573 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
575 if (xd->tx_q_used < tm->n_vlib_mains)
576 dpdk_device_lock_init (xd);
579 xd->device_index = xd - dm->devices;
580 xd->per_interface_next_index = ~0;
582 /* assign interface to input thread */
585 if (devconf->hqos_enabled)
587 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
590 if (devconf->hqos.hqos_thread_valid)
592 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
593 return clib_error_return (0, "invalid HQoS thread index");
595 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
599 if (dm->hqos_cpu_count == 0)
600 return clib_error_return (0, "no HQoS threads available");
602 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
605 if (next_hqos_cpu == dm->hqos_cpu_count)
608 devconf->hqos.hqos_thread_valid = 1;
609 devconf->hqos.hqos_thread = cpu;
612 dpdk_device_and_queue_t *dq;
613 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
614 dq->device = xd->device_index;
618 /* count the number of descriptors used for this device */
619 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
621 error = ethernet_register_interface
622 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
623 /* ethernet address */ addr,
624 &xd->hw_if_index, dpdk_flag_change);
629 * Ensure default mtu is not > the mtu read from the hardware.
630 * Otherwise rte_eth_dev_configure() will fail and the port will
632 * Calculate max_frame_size and mtu supported by NIC
634 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
637 * This device does not support the platforms's max frame
638 * size. Use it's advertised mru instead.
640 max_rx_frame = dev_info.max_rx_pktlen;
641 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
645 /* VPP treats MTU and max_rx_pktlen both equal to
646 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
647 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
649 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
650 sizeof (ethernet_header_t)))
652 mtu = ETHERNET_MAX_PACKET_BYTES;
653 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
656 * Some platforms do not account for Ethernet FCS (4 bytes) in
657 * MTU calculations. To interop with them increase mru but only
658 * if the device's settings can support it.
660 if (dpdk_port_crc_strip_enabled (xd) &&
661 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
662 sizeof (ethernet_header_t) +
670 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
671 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
673 if (dpdk_port_crc_strip_enabled (xd) &&
674 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
681 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
683 /* failsafe device numerables are reported with active device only,
684 * need to query the mtu for current device setup to overwrite
688 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
691 max_rx_frame = mtu + sizeof (ethernet_header_t);
693 if (dpdk_port_crc_strip_enabled (xd))
700 /*Set port rxmode config */
701 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
703 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
704 xd->sw_if_index = sw->sw_if_index;
705 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
706 dpdk_input_node.index);
708 if (devconf->workers)
712 clib_bitmap_foreach (i, devconf->workers, ({
713 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
714 vdm->first_worker_thread_index + i);
718 for (q = 0; q < xd->rx_q_used; q++)
720 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
724 /*Get vnet hardware interface */
725 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
727 /*Override default max_packet_bytes and max_supported_bytes set in
728 * ethernet_register_interface() above*/
731 hi->max_packet_bytes = mtu;
732 hi->max_supported_packet_bytes = max_rx_frame;
735 if (dm->conf->no_tx_checksum_offload == 0)
736 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
737 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
739 dpdk_device_setup (xd);
741 if (vec_len (xd->errors))
742 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
743 format_dpdk_device_name, i,
744 format_dpdk_device_errors, xd);
746 if (devconf->hqos_enabled)
749 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
755 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
756 * specified otherwise in the startup config.
757 * For other NICs default to VLAN strip disabled, unless specified
758 * otherwise in the startup config.
760 if (xd->pmd == VNET_DPDK_PMD_ENIC)
762 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
763 vlan_strip = 1; /* remove vlan tag from VIC port by default */
765 dpdk_log_warn ("VLAN strip disabled for interface\n");
767 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
773 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
774 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
775 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
776 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
779 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
781 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
783 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) == 0)
784 dpdk_log_info ("VLAN strip enabled for interface\n");
786 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
790 hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
791 - sizeof (ethernet_header_t);
793 clib_warning ("hi NULL");
795 if (dm->conf->no_multi_seg)
796 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
798 rte_eth_dev_set_mtu (xd->port_id, mtu);
802 if (nb_desc > dm->conf->num_mbufs)
803 dpdk_log_err ("%d mbufs allocated but total rx/tx ring size is %d\n",
804 dm->conf->num_mbufs, nb_desc);
810 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
814 int num_whitelisted = vec_len (conf->dev_confs);
815 vlib_pci_device_info_t *d = 0;
816 vlib_pci_addr_t *addr = 0, *addrs;
818 addrs = vlib_pci_get_all_dev_addrs ();
820 vec_foreach (addr, addrs)
822 dpdk_device_config_t * devconf = 0;
823 vec_reset_length (pci_addr);
824 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
827 vlib_pci_free_device_info (d);
830 d = vlib_pci_get_device_info (addr, &error);
833 clib_error_report (error);
837 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
842 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
847 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
851 if (d->vendor_id == 0x1af4 &&
852 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
853 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
856 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
858 /* all Intel network devices */
859 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
861 /* all Intel QAT devices VFs */
862 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
863 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
866 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
869 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
871 /* Amazen Elastic Network Adapter */
872 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
874 /* Cavium Network Adapter */
875 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
877 /* Cavium FastlinQ QL41000 Series */
878 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
881 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
886 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
892 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
893 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
898 error = vlib_pci_bind_to_uio (addr, (char *) conf->uio_driver_name);
904 pool_get (conf->dev_confs, devconf);
905 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
906 devconf - conf->dev_confs);
907 devconf->pci_addr.as_u32 = addr->as_u32;
909 devconf->is_blacklisted = 1;
910 clib_error_report (error);
915 vlib_pci_free_device_info (d);
918 static clib_error_t *
919 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
920 unformat_input_t * input, u8 is_default)
922 clib_error_t *error = 0;
924 dpdk_device_config_t *devconf;
925 unformat_input_t sub_input;
929 devconf = &conf->default_devconf;
933 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
937 pool_get (conf->dev_confs, devconf);
938 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
939 devconf - conf->dev_confs);
942 return clib_error_return (0,
943 "duplicate configuration for PCI address %U",
944 format_vlib_pci_addr, &pci_addr);
947 devconf->pci_addr.as_u32 = pci_addr.as_u32;
948 devconf->hqos_enabled = 0;
949 dpdk_device_config_hqos_default (&devconf->hqos);
954 unformat_skip_white_space (input);
955 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
957 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
959 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
961 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
963 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
965 else if (unformat (input, "workers %U", unformat_bitmap_list,
970 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
972 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
976 else if (unformat (input, "vlan-strip-offload off"))
977 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
978 else if (unformat (input, "vlan-strip-offload on"))
979 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
982 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
984 devconf->hqos_enabled = 1;
985 error = unformat_hqos (&sub_input, &devconf->hqos);
989 else if (unformat (input, "hqos"))
991 devconf->hqos_enabled = 1;
995 error = clib_error_return (0, "unknown input `%U'",
996 format_unformat_error, input);
1004 if (devconf->workers && devconf->num_rx_queues == 0)
1005 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1006 else if (devconf->workers &&
1007 clib_bitmap_count_set_bits (devconf->workers) !=
1008 devconf->num_rx_queues)
1010 clib_error_return (0,
1011 "%U: number of worker threads must be "
1012 "equal to number of rx queues", format_vlib_pci_addr,
1018 static clib_error_t *
1019 dpdk_log_read_ready (clib_file_t * uf)
1021 unformat_input_t input;
1028 uword len = vec_len (s);
1029 vec_resize (s, len + n_try);
1031 n = read (uf->file_descriptor, s + len, n_try);
1032 if (n < 0 && errno != EAGAIN)
1033 return clib_error_return_unix (0, "read");
1034 _vec_len (s) = len + (n < 0 ? 0 : n);
1037 unformat_init_vector (&input, s);
1039 while (unformat_user (&input, unformat_line, &line))
1041 dpdk_log_notice ("%v", line);
1045 unformat_free (&input);
1049 static clib_error_t *
1050 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1052 clib_error_t *error = 0;
1053 dpdk_config_main_t *conf = &dpdk_config_main;
1054 vlib_thread_main_t *tm = vlib_get_thread_main ();
1055 dpdk_device_config_t *devconf;
1056 vlib_pci_addr_t pci_addr;
1057 unformat_input_t sub_input;
1062 int num_whitelisted = 0;
1068 u8 *huge_dir_path = 0;
1071 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1073 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1074 log_level = RTE_LOG_NOTICE;
1076 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1078 /* Prime the pump */
1079 if (unformat (input, "no-hugetlb"))
1081 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1085 else if (unformat (input, "enable-tcp-udp-checksum"))
1086 conf->enable_tcp_udp_checksum = 1;
1088 else if (unformat (input, "no-tx-checksum-offload"))
1089 conf->no_tx_checksum_offload = 1;
1091 else if (unformat (input, "decimal-interface-names"))
1092 conf->interface_name_format_decimal = 1;
1094 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
1097 else if (unformat (input, "no-multi-seg"))
1098 conf->no_multi_seg = 1;
1100 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1104 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1112 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1113 unformat_vlib_cli_sub_input, &sub_input))
1115 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1122 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1124 error = dpdk_device_config (conf, pci_addr, 0, 0);
1131 else if (unformat (input, "num-mem-channels %d", &conf->nchannels))
1132 conf->nchannels_set_manually = 0;
1133 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1135 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1137 else if (unformat (input, "socket-mem %s", &socket_mem))
1139 else if (unformat (input, "no-pci"))
1142 tmp = format (0, "--no-pci%c", 0);
1143 vec_add1 (conf->eal_init_args, tmp);
1147 else if (unformat(input, #a)) \
1149 tmp = format (0, "--%s%c", #a, 0); \
1150 vec_add1 (conf->eal_init_args, tmp); \
1152 foreach_eal_double_hyphen_predicate_arg
1155 else if (unformat(input, #a " %s", &s)) \
1157 if (!strncmp(#a, "huge-dir", 8)) \
1159 else if (!strncmp(#a, "file-prefix", 11)) \
1161 tmp = format (0, "--%s%c", #a, 0); \
1162 vec_add1 (conf->eal_init_args, tmp); \
1164 if (!strncmp(#a, "vdev", 4)) \
1165 if (strstr((char*)s, "af_packet")) \
1166 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1167 vec_add1 (conf->eal_init_args, s); \
1169 foreach_eal_double_hyphen_arg
1172 else if (unformat(input, #a " %s", &s)) \
1174 tmp = format (0, "-%s%c", #b, 0); \
1175 vec_add1 (conf->eal_init_args, tmp); \
1177 vec_add1 (conf->eal_init_args, s); \
1179 foreach_eal_single_hyphen_arg
1182 else if (unformat(input, #a " %s", &s)) \
1184 tmp = format (0, "-%s%c", #b, 0); \
1185 vec_add1 (conf->eal_init_args, tmp); \
1187 vec_add1 (conf->eal_init_args, s); \
1188 conf->a##_set_manually = 1; \
1190 foreach_eal_single_hyphen_mandatory_arg
1192 else if (unformat (input, "default"))
1195 else if (unformat_skip_white_space (input))
1199 error = clib_error_return (0, "unknown input `%U'",
1200 format_unformat_error, input);
1205 if (!conf->uio_driver_name)
1206 conf->uio_driver_name = format (0, "auto%c", 0);
1209 * Use 1G huge pages if available.
1211 if (!no_huge && !huge_dir)
1213 u32 x, *mem_by_socket = 0;
1217 umount ((char *) huge_dir_path);
1219 /* Process "socket-mem" parameter value */
1220 if (vec_len (socket_mem))
1222 unformat_input_t in;
1223 unformat_init_vector (&in, socket_mem);
1224 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1226 if (unformat (&in, "%u,", &x))
1228 else if (unformat (&in, "%u", &x))
1230 else if (unformat (&in, ","))
1235 vec_add1 (mem_by_socket, x);
1237 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1238 unformat_free (&in);
1244 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1246 vec_validate(mem_by_socket, c);
1247 mem_by_socket[c] = 64; /* default per-socket mem */
1254 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1258 vec_validate(mem_by_socket, c);
1260 e = clib_sysfs_prealloc_hugepages(c, 2 << 10, mem_by_socket[c] / 2);
1262 clib_error_report (e);
1266 if (mem_by_socket == 0)
1268 error = clib_error_return (0, "mem_by_socket NULL");
1271 _vec_len (mem_by_socket) = c + 1;
1273 /* regenerate socket_mem string */
1274 vec_foreach_index (x, mem_by_socket)
1275 socket_mem = format (socket_mem, "%s%u",
1276 socket_mem ? "," : "", mem_by_socket[x]);
1277 socket_mem = format (socket_mem, "%c", 0);
1279 vec_free (mem_by_socket);
1281 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1287 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1291 error = clib_error_return (0, "mount failed %d", errno);
1295 tmp = format (0, "--huge-dir%c", 0);
1296 vec_add1 (conf->eal_init_args, tmp);
1297 tmp = format (0, "%s%c", huge_dir_path, 0);
1298 vec_add1 (conf->eal_init_args, tmp);
1301 tmp = format (0, "--file-prefix%c", 0);
1302 vec_add1 (conf->eal_init_args, tmp);
1303 tmp = format (0, "vpp%c", 0);
1304 vec_add1 (conf->eal_init_args, tmp);
1311 /* I'll bet that -c and -n must be the first and second args... */
1312 if (!conf->coremask_set_manually)
1314 vlib_thread_registration_t *tr;
1315 uword *coremask = 0;
1318 /* main thread core */
1319 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1321 for (i = 0; i < vec_len (tm->registrations); i++)
1323 tr = tm->registrations[i];
1324 coremask = clib_bitmap_or (coremask, tr->coremask);
1327 vec_insert (conf->eal_init_args, 2, 1);
1328 conf->eal_init_args[1] = (u8 *) "-c";
1329 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1330 conf->eal_init_args[2] = tmp;
1331 clib_bitmap_free (coremask);
1334 if (!conf->nchannels_set_manually)
1336 vec_insert (conf->eal_init_args, 2, 3);
1337 conf->eal_init_args[3] = (u8 *) "-n";
1338 tmp = format (0, "%d", conf->nchannels);
1339 conf->eal_init_args[4] = tmp;
1342 if (no_pci == 0 && geteuid () == 0)
1343 dpdk_bind_devices_to_uio (conf);
1346 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1347 devconf->x = conf->default_devconf.x ;
1350 pool_foreach (devconf, conf->dev_confs, ({
1352 /* default per-device config items */
1353 foreach_dpdk_device_config_item
1355 /* add DPDK EAL whitelist/blacklist entry */
1356 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1358 tmp = format (0, "-w%c", 0);
1359 vec_add1 (conf->eal_init_args, tmp);
1360 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1361 vec_add1 (conf->eal_init_args, tmp);
1363 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1365 tmp = format (0, "-b%c", 0);
1366 vec_add1 (conf->eal_init_args, tmp);
1367 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1368 vec_add1 (conf->eal_init_args, tmp);
1375 /* set master-lcore */
1376 tmp = format (0, "--master-lcore%c", 0);
1377 vec_add1 (conf->eal_init_args, tmp);
1378 tmp = format (0, "%u%c", tm->main_lcore, 0);
1379 vec_add1 (conf->eal_init_args, tmp);
1381 /* set socket-mem */
1384 tmp = format (0, "--socket-mem%c", 0);
1385 vec_add1 (conf->eal_init_args, tmp);
1386 tmp = format (0, "%s%c", socket_mem, 0);
1387 vec_add1 (conf->eal_init_args, tmp);
1390 /* NULL terminate the "argv" vector, in case of stupidity */
1391 vec_add1 (conf->eal_init_args, 0);
1392 _vec_len (conf->eal_init_args) -= 1;
1394 /* Set up DPDK eal and packet mbuf pool early. */
1396 rte_log_set_global_level (log_level);
1397 int log_fds[2] = { 0 };
1398 if (pipe (log_fds) == 0)
1400 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1402 FILE *f = fdopen (log_fds[1], "a");
1403 if (f && rte_openlog_stream (f) == 0)
1405 clib_file_t t = { 0 };
1406 t.read_function = dpdk_log_read_ready;
1407 t.file_descriptor = log_fds[0];
1408 t.description = format (0, "DPDK logging pipe");
1409 clib_file_add (&file_main, &t);
1419 vm = vlib_get_main ();
1421 /* make copy of args as rte_eal_init tends to mess up with arg array */
1422 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1423 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1424 conf->eal_init_args[i]);
1426 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1427 ret = rte_eal_init (vec_len (conf->eal_init_args),
1428 (char **) conf->eal_init_args);
1430 /* lazy umount hugepages */
1431 umount2 ((char *) huge_dir_path, MNT_DETACH);
1432 rmdir ((char *) huge_dir_path);
1433 vec_free (huge_dir_path);
1436 return clib_error_return (0, "rte_eal_init returned %d", ret);
1438 /* set custom ring memory allocator */
1440 struct rte_mempool_ops *ops = NULL;
1442 ops = get_ops_by_name ("ring_sp_sc");
1443 ops->alloc = dpdk_ring_alloc;
1445 ops = get_ops_by_name ("ring_mp_sc");
1446 ops->alloc = dpdk_ring_alloc;
1448 ops = get_ops_by_name ("ring_sp_mc");
1449 ops->alloc = dpdk_ring_alloc;
1451 ops = get_ops_by_name ("ring_mp_mc");
1452 ops->alloc = dpdk_ring_alloc;
1455 /* main thread 1st */
1456 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1460 for (i = 0; i < RTE_MAX_LCORE; i++)
1462 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1463 rte_lcore_to_socket_id (i));
1472 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1475 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1477 vnet_main_t *vnm = vnet_get_main ();
1478 struct rte_eth_link prev_link = xd->link;
1480 u8 hw_flags_chg = 0;
1482 /* only update link state for PMD interfaces */
1483 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1486 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1487 memset (&xd->link, 0, sizeof (xd->link));
1488 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1490 if (LINK_STATE_ELOGS)
1492 vlib_main_t *vm = vlib_get_main ();
1493 ELOG_TYPE_DECLARE (e) =
1496 "update-link-state: sw_if_index %d, admin_up %d,"
1497 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1506 ed = ELOG_DATA (&vm->elog_main, e);
1507 ed->sw_if_index = xd->sw_if_index;
1508 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1509 ed->old_link_state = (u8)
1510 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1511 ed->new_link_state = (u8) xd->link.link_status;
1514 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1515 && ((xd->link.link_status != 0) ^
1516 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1519 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1522 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1525 switch (xd->link.link_duplex)
1527 case ETH_LINK_HALF_DUPLEX:
1528 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1530 case ETH_LINK_FULL_DUPLEX:
1531 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1537 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1540 switch (xd->link.link_speed)
1542 case ETH_SPEED_NUM_10M:
1543 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1545 case ETH_SPEED_NUM_100M:
1546 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1548 case ETH_SPEED_NUM_1G:
1549 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1551 case ETH_SPEED_NUM_2_5G:
1552 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_2_5G;
1554 case ETH_SPEED_NUM_5G:
1555 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_5G;
1557 case ETH_SPEED_NUM_10G:
1558 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1560 case ETH_SPEED_NUM_20G:
1561 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_20G;
1563 case ETH_SPEED_NUM_25G:
1564 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_25G;
1566 case ETH_SPEED_NUM_40G:
1567 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1569 case ETH_SPEED_NUM_50G:
1570 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_50G;
1572 case ETH_SPEED_NUM_56G:
1573 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_56G;
1575 case ETH_SPEED_NUM_100G:
1576 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100G;
1581 dpdk_log_warn ("unknown link speed %d", xd->link.link_speed);
1587 if (LINK_STATE_ELOGS)
1589 vlib_main_t *vm = vlib_get_main ();
1591 ELOG_TYPE_DECLARE (e) =
1594 "update-link-state: sw_if_index %d, new flags %d",.format_args
1602 ed = ELOG_DATA (&vm->elog_main, e);
1603 ed->sw_if_index = xd->sw_if_index;
1604 ed->flags = hw_flags;
1606 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1611 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1613 clib_error_t *error;
1614 vnet_main_t *vnm = vnet_get_main ();
1615 dpdk_main_t *dm = &dpdk_main;
1616 ethernet_main_t *em = ðernet_main;
1618 vlib_thread_main_t *tm = vlib_get_thread_main ();
1622 error = dpdk_lib_init (dm);
1625 clib_error_report (error);
1627 tm->worker_thread_release = 1;
1629 f64 now = vlib_time_now (vm);
1630 vec_foreach (xd, dm->devices)
1632 dpdk_update_link_state (xd, now);
1637 * Extra set up for bond interfaces:
1638 * 1. Setup MACs for bond interfaces and their slave links which was set
1639 * in dpdk_device_setup() but needs to be done again here to take
1641 * 2. Set up info and register slave link state change callback handling.
1642 * 3. Set up info for bond interface related CLI support.
1644 int nports = rte_eth_dev_count_avail ();
1648 RTE_ETH_FOREACH_DEV(i)
1651 for (j = 0; j < nports; j++)
1653 if (dm->devices[j].port_id == i)
1655 xd = &dm->devices[j];
1658 if (xd != NULL && xd->pmd == VNET_DPDK_PMD_BOND)
1661 dpdk_portid_t slink[16];
1662 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1665 vnet_hw_interface_t *bhi;
1666 ethernet_interface_t *bei;
1669 /* Get MAC of 1st slave link */
1671 (slink[0], (struct ether_addr *) addr);
1673 /* Set MAC of bounded interface to that of 1st slave link */
1674 dpdk_log_info ("Set MAC for bond port %d BondEthernet%d",
1675 i, xd->bond_instance_num);
1676 rv = rte_eth_bond_mac_address_set
1677 (i, (struct ether_addr *) addr);
1679 dpdk_log_warn ("Set MAC addr failure rv=%d", rv);
1681 /* Populate MAC of bonded interface in VPP hw tables */
1682 bhi = vnet_get_hw_interface
1683 (vnm, dm->devices[i].hw_if_index);
1684 bei = pool_elt_at_index
1685 (em->interfaces, bhi->hw_instance);
1686 clib_memcpy (bhi->hw_address, addr, 6);
1687 clib_memcpy (bei->address, addr, 6);
1689 /* Init l3 packet size allowed on bonded interface */
1690 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1692 { /* for all slave links */
1693 int slave = slink[--nlink];
1694 dpdk_device_t *sdev = &dm->devices[slave];
1695 vnet_hw_interface_t *shi;
1696 vnet_sw_interface_t *ssi;
1697 ethernet_interface_t *sei;
1698 /* Add MAC to all slave links except the first one */
1701 dpdk_log_info ("Add MAC for slave port %d",
1703 rv = rte_eth_dev_mac_addr_add
1704 (slave, (struct ether_addr *) addr, 0);
1706 dpdk_log_warn ("Add MAC addr failure rv=%d",
1709 /* Setup slave link state change callback handling */
1710 rte_eth_dev_callback_register
1711 (slave, RTE_ETH_EVENT_INTR_LSC,
1712 dpdk_port_state_callback, NULL);
1713 dpdk_device_t *sxd = &dm->devices[slave];
1714 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1716 /* Set slaves bitmap for bonded interface */
1717 bhi->bond_info = clib_bitmap_set
1718 (bhi->bond_info, sdev->hw_if_index, 1);
1719 /* Set MACs and slave link flags on slave interface */
1720 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1721 ssi = vnet_get_sw_interface (vnm, sdev->sw_if_index);
1722 sei = pool_elt_at_index
1723 (em->interfaces, shi->hw_instance);
1724 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1725 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1726 clib_memcpy (shi->hw_address, addr, 6);
1727 clib_memcpy (sei->address, addr, 6);
1728 /* Set l3 packet size allowed as the lowest of slave */
1729 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1730 bhi->max_packet_bytes = shi->max_packet_bytes;
1742 * check each time through the loop in case intervals are changed
1744 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1745 dm->link_state_poll_interval : dm->stat_poll_interval;
1747 vlib_process_wait_for_event_or_clock (vm, min_wait);
1749 if (dm->admin_up_down_in_progress)
1750 /* skip the poll if an admin up down is in progress (on any interface) */
1753 vec_foreach (xd, dm->devices)
1755 f64 now = vlib_time_now (vm);
1756 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1757 dpdk_update_counters (xd, now);
1758 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1759 dpdk_update_link_state (xd, now);
1768 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1769 .function = dpdk_process,
1770 .type = VLIB_NODE_TYPE_PROCESS,
1771 .name = "dpdk-process",
1772 .process_log2_n_stack_bytes = 17,
1776 static clib_error_t *
1777 dpdk_init (vlib_main_t * vm)
1779 dpdk_main_t *dm = &dpdk_main;
1780 clib_error_t *error = 0;
1782 /* verify that structs are cacheline aligned */
1783 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1784 "Cache line marker must be 1st element in dpdk_device_t");
1785 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1786 CLIB_CACHE_LINE_BYTES,
1787 "Data in cache line 0 is bigger than cache line size");
1788 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1789 "Cache line marker must be 1st element in frame_queue_trace_t");
1790 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1791 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1794 dm->vnet_main = vnet_get_main ();
1795 dm->conf = &dpdk_config_main;
1797 dm->conf->nchannels = 4;
1798 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1799 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1801 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1802 dm->buffer_flags_template =
1803 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1804 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1805 VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
1807 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1808 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1811 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1814 dm->log_default = vlib_log_register_class ("dpdk", 0);
1819 VLIB_INIT_FUNCTION (dpdk_init);
1823 * fd.io coding-style-patch-verification: ON
1826 * eval: (c-set-style "gnu")