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 struct rte_eth_conf port_conf_template = {
54 .mq_mode = ETH_MQ_TX_NONE,
58 static dpdk_port_type_t
59 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
62 if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
63 return VNET_DPDK_PORT_TYPE_ETH_100G;
64 else if (dev_info->speed_capa & ETH_LINK_SPEED_56G)
65 return VNET_DPDK_PORT_TYPE_ETH_56G;
66 else if (dev_info->speed_capa & ETH_LINK_SPEED_50G)
67 return VNET_DPDK_PORT_TYPE_ETH_50G;
68 else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
69 return VNET_DPDK_PORT_TYPE_ETH_40G;
70 else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
71 return VNET_DPDK_PORT_TYPE_ETH_25G;
72 else if (dev_info->speed_capa & ETH_LINK_SPEED_20G)
73 return VNET_DPDK_PORT_TYPE_ETH_20G;
74 else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
75 return VNET_DPDK_PORT_TYPE_ETH_10G;
76 else if (dev_info->speed_capa & ETH_LINK_SPEED_5G)
77 return VNET_DPDK_PORT_TYPE_ETH_5G;
78 else if (dev_info->speed_capa & ETH_LINK_SPEED_2_5G)
79 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
80 else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
81 return VNET_DPDK_PORT_TYPE_ETH_1G;
83 return VNET_DPDK_PORT_TYPE_UNKNOWN;
88 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
90 dpdk_main_t *dm = &dpdk_main;
91 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
94 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
96 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
98 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
99 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
101 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
103 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
105 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
106 rte_eth_promiscuous_enable (xd->port_id);
108 rte_eth_promiscuous_disable (xd->port_id);
111 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
113 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
114 dpdk_device_setup (xd);
120 dpdk_device_lock_init (dpdk_device_t * xd)
123 vec_validate (xd->lockp, xd->tx_q_used - 1);
124 for (q = 0; q < xd->tx_q_used; q++)
126 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
127 CLIB_CACHE_LINE_BYTES);
128 memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
132 static struct rte_mempool_ops *
133 get_ops_by_name (char *ops_name)
137 for (i = 0; i < rte_mempool_ops_table.num_ops; i++)
139 if (!strcmp (ops_name, rte_mempool_ops_table.ops[i].name))
140 return &rte_mempool_ops_table.ops[i];
147 dpdk_ring_alloc (struct rte_mempool *mp)
149 u32 rg_flags = 0, count;
151 char rg_name[RTE_RING_NAMESIZE];
154 ret = snprintf (rg_name, sizeof (rg_name), RTE_MEMPOOL_MZ_FORMAT, mp->name);
155 if (ret < 0 || ret >= (i32) sizeof (rg_name))
156 return -ENAMETOOLONG;
159 if (mp->flags & MEMPOOL_F_SP_PUT)
160 rg_flags |= RING_F_SP_ENQ;
161 if (mp->flags & MEMPOOL_F_SC_GET)
162 rg_flags |= RING_F_SC_DEQ;
164 count = rte_align32pow2 (mp->size + 1);
166 * Allocate the ring that will be used to store objects.
167 * Ring functions will return appropriate errors if we are
168 * running as a secondary process etc., so no checks made
169 * in this function for that condition.
171 /* XXX can we get memory from the right socket? */
172 r = clib_mem_alloc_aligned (rte_ring_get_memsize (count),
173 CLIB_CACHE_LINE_BYTES);
175 /* XXX rte_ring_lookup will not work */
177 ret = rte_ring_init (r, rg_name, count, rg_flags);
187 dpdk_port_crc_strip_enabled (dpdk_device_t * xd)
189 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
190 if (xd->port_conf.rxmode.hw_strip_crc)
192 if (xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_CRC_STRIP)
198 static clib_error_t *
199 dpdk_lib_init (dpdk_main_t * dm)
202 u32 mtu, max_rx_frame;
206 vlib_main_t *vm = vlib_get_main ();
207 vlib_thread_main_t *tm = vlib_get_thread_main ();
208 vnet_device_main_t *vdm = &vnet_device_main;
209 vnet_sw_interface_t *sw;
210 vnet_hw_interface_t *hi;
212 vlib_pci_addr_t last_pci_addr;
213 u32 last_pci_addr_port = 0;
214 vlib_thread_registration_t *tr_hqos;
217 u32 next_hqos_cpu = 0;
218 u8 af_packet_instance_num = 0;
219 u8 bond_ether_instance_num = 0;
220 last_pci_addr.as_u32 = ~0;
222 dm->hqos_cpu_first_index = 0;
223 dm->hqos_cpu_count = 0;
225 /* find out which cpus will be used for I/O TX */
226 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
227 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
229 if (tr_hqos && tr_hqos->count > 0)
231 dm->hqos_cpu_first_index = tr_hqos->first_index;
232 dm->hqos_cpu_count = tr_hqos->count;
235 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
236 CLIB_CACHE_LINE_BYTES);
238 nports = rte_eth_dev_count_avail ();
242 dpdk_log_notice ("DPDK drivers found no ports...");
246 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
248 if (dm->conf->enable_tcp_udp_checksum)
249 dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
250 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
252 /* vlib_buffer_t template */
253 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
254 CLIB_CACHE_LINE_BYTES);
255 for (i = 0; i < tm->n_vlib_mains; i++)
257 vlib_buffer_free_list_t *fl;
258 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
259 fl = vlib_buffer_get_free_list (vm,
260 VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
261 vlib_buffer_init_for_free_list (&ptd->buffer_template, fl);
262 ptd->buffer_template.flags = dm->buffer_flags_template;
263 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
267 RTE_ETH_FOREACH_DEV(i)
271 struct rte_eth_dev_info dev_info;
272 struct rte_pci_device *pci_dev;
273 struct rte_eth_link l;
274 dpdk_device_config_t *devconf = 0;
275 vlib_pci_addr_t pci_addr;
278 if (!rte_eth_dev_is_valid_port(i))
281 rte_eth_link_get_nowait (i, &l);
282 rte_eth_dev_info_get (i, &dev_info);
284 if (dev_info.device == 0)
286 clib_warning ("DPDK bug: missing device info. Skipping %s device",
287 dev_info.driver_name);
290 pci_dev = RTE_DEV_TO_PCI (dev_info.device);
292 if (pci_dev) /* bonded interface has no pci info */
294 pci_addr.domain = pci_dev->addr.domain;
295 pci_addr.bus = pci_dev->addr.bus;
296 pci_addr.slot = pci_dev->addr.devid;
297 pci_addr.function = pci_dev->addr.function;
299 hash_get (dm->conf->device_config_index_by_pci_addr,
304 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
306 devconf = &dm->conf->default_devconf;
308 /* Create vnet interface */
309 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
310 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
311 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
312 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
314 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
317 struct rte_eth_dev_info di = { 0 };
318 struct rte_pci_device *next_pci_dev;
319 rte_eth_dev_info_get (i + 1, &di);
320 next_pci_dev = di.device ? RTE_DEV_TO_PCI (di.device) : 0;
321 if (pci_dev && next_pci_dev &&
322 pci_addr.as_u32 != last_pci_addr.as_u32 &&
323 memcmp (&pci_dev->addr, &next_pci_dev->addr,
324 sizeof (struct rte_pci_addr)) == 0)
326 xd->interface_name_suffix = format (0, "0");
327 last_pci_addr.as_u32 = pci_addr.as_u32;
328 last_pci_addr_port = i;
330 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
332 xd->interface_name_suffix =
333 format (0, "%u", i - last_pci_addr_port);
337 last_pci_addr.as_u32 = ~0;
341 last_pci_addr.as_u32 = ~0;
343 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
344 sizeof (struct rte_eth_txconf));
346 if (dm->conf->no_multi_seg)
348 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
349 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
350 port_conf_template.rxmode.jumbo_frame = 0;
351 port_conf_template.rxmode.enable_scatter = 0;
353 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
354 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
355 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
360 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
361 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
362 port_conf_template.rxmode.jumbo_frame = 1;
363 port_conf_template.rxmode.enable_scatter = 1;
365 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
366 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
367 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
369 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
372 clib_memcpy (&xd->port_conf, &port_conf_template,
373 sizeof (struct rte_eth_conf));
375 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
377 if (devconf->num_tx_queues > 0
378 && devconf->num_tx_queues < xd->tx_q_used)
379 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
381 if (devconf->num_rx_queues > 1
382 && dev_info.max_rx_queues >= devconf->num_rx_queues)
384 xd->rx_q_used = devconf->num_rx_queues;
385 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
386 if (devconf->rss_fn == 0)
387 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
388 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
391 u64 unsupported_bits;
392 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
393 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
394 unsupported_bits &= ~dev_info.flow_type_rss_offloads;
395 if (unsupported_bits)
396 dpdk_log_warn ("Unsupported RSS hash functions: %U",
397 format_dpdk_rss_hf_name, unsupported_bits);
399 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
400 dev_info.flow_type_rss_offloads;
405 xd->flags |= DPDK_DEVICE_FLAG_PMD;
407 /* workaround for drivers not setting driver_name */
408 if ((!dev_info.driver_name) && (pci_dev))
409 dev_info.driver_name = pci_dev->driver->driver.name;
411 ASSERT (dev_info.driver_name);
417 #define _(s,f) else if (dev_info.driver_name && \
418 !strcmp(dev_info.driver_name, s)) \
419 xd->pmd = VNET_DPDK_PMD_##f;
425 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
427 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
428 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
429 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
433 /* Drivers with valid speed_capa set */
434 case VNET_DPDK_PMD_E1000EM:
435 case VNET_DPDK_PMD_IGB:
436 case VNET_DPDK_PMD_IXGBE:
437 case VNET_DPDK_PMD_I40E:
438 xd->port_type = port_type_from_speed_capa (&dev_info);
439 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
440 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
441 VNET_FLOW_ACTION_BUFFER_ADVANCE |
442 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
444 if (dm->conf->no_tx_checksum_offload == 0)
446 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
447 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOXSUMS;
449 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_SCTP_CKSUM;
450 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
451 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
454 DPDK_DEVICE_FLAG_TX_OFFLOAD |
455 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
460 case VNET_DPDK_PMD_CXGBE:
461 case VNET_DPDK_PMD_MLX4:
462 case VNET_DPDK_PMD_MLX5:
463 case VNET_DPDK_PMD_QEDE:
464 xd->port_type = port_type_from_speed_capa (&dev_info);
468 case VNET_DPDK_PMD_IGBVF:
469 case VNET_DPDK_PMD_IXGBEVF:
470 case VNET_DPDK_PMD_I40EVF:
471 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
472 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
473 xd->port_conf.rxmode.hw_strip_crc = 1;
475 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
479 case VNET_DPDK_PMD_THUNDERX:
480 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
481 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
482 xd->port_conf.rxmode.hw_strip_crc = 1;
484 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
488 case VNET_DPDK_PMD_ENA:
489 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
490 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
491 xd->port_conf.rxmode.enable_scatter = 0;
493 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
497 case VNET_DPDK_PMD_DPAA2:
498 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
502 case VNET_DPDK_PMD_ENIC:
503 if (l.link_speed == 40000)
504 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
506 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
509 /* Intel Red Rock Canyon */
510 case VNET_DPDK_PMD_FM10K:
511 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
512 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
513 xd->port_conf.rxmode.hw_strip_crc = 1;
515 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
520 case VNET_DPDK_PMD_VIRTIO:
521 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
522 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
523 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
527 case VNET_DPDK_PMD_VMXNET3:
528 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
529 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
530 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
532 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;
564 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
567 if (devconf->num_rx_desc)
568 xd->nb_rx_desc = devconf->num_rx_desc;
570 if (devconf->num_tx_desc)
571 xd->nb_tx_desc = devconf->num_tx_desc;
574 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
576 f64 now = vlib_time_now (vm);
578 rnd = (u32) (now * 1e6);
579 rnd = random_u32 (&rnd);
580 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
585 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
587 if (xd->tx_q_used < tm->n_vlib_mains)
588 dpdk_device_lock_init (xd);
591 xd->device_index = xd - dm->devices;
592 xd->per_interface_next_index = ~0;
594 /* assign interface to input thread */
597 if (devconf->hqos_enabled)
599 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
602 if (devconf->hqos.hqos_thread_valid)
604 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
605 return clib_error_return (0, "invalid HQoS thread index");
607 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
611 if (dm->hqos_cpu_count == 0)
612 return clib_error_return (0, "no HQoS threads available");
614 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
617 if (next_hqos_cpu == dm->hqos_cpu_count)
620 devconf->hqos.hqos_thread_valid = 1;
621 devconf->hqos.hqos_thread = cpu;
624 dpdk_device_and_queue_t *dq;
625 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
626 dq->device = xd->device_index;
630 /* count the number of descriptors used for this device */
631 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
633 error = ethernet_register_interface
634 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
635 /* ethernet address */ addr,
636 &xd->hw_if_index, dpdk_flag_change);
641 * Ensure default mtu is not > the mtu read from the hardware.
642 * Otherwise rte_eth_dev_configure() will fail and the port will
644 * Calculate max_frame_size and mtu supported by NIC
646 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
649 * This device does not support the platforms's max frame
650 * size. Use it's advertised mru instead.
652 max_rx_frame = dev_info.max_rx_pktlen;
653 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
657 /* VPP treats MTU and max_rx_pktlen both equal to
658 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
659 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
661 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
662 sizeof (ethernet_header_t)))
664 mtu = ETHERNET_MAX_PACKET_BYTES;
665 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
668 * Some platforms do not account for Ethernet FCS (4 bytes) in
669 * MTU calculations. To interop with them increase mru but only
670 * if the device's settings can support it.
672 if (dpdk_port_crc_strip_enabled (xd) &&
673 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
674 sizeof (ethernet_header_t) +
682 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
683 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
685 if (dpdk_port_crc_strip_enabled (xd) &&
686 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
693 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
695 /* failsafe device numerables are reported with active device only,
696 * need to query the mtu for current device setup to overwrite
700 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
703 max_rx_frame = mtu + sizeof (ethernet_header_t);
705 if (dpdk_port_crc_strip_enabled (xd))
712 /*Set port rxmode config */
713 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
715 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
716 xd->sw_if_index = sw->sw_if_index;
717 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
718 dpdk_input_node.index);
720 if (devconf->workers)
724 clib_bitmap_foreach (i, devconf->workers, ({
725 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
726 vdm->first_worker_thread_index + i);
730 for (q = 0; q < xd->rx_q_used; q++)
732 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
736 /*Get vnet hardware interface */
737 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
739 /*Override default max_packet_bytes and max_supported_bytes set in
740 * ethernet_register_interface() above*/
743 hi->max_packet_bytes = mtu;
744 hi->max_supported_packet_bytes = max_rx_frame;
747 if (dm->conf->no_tx_checksum_offload == 0)
748 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
749 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
751 dpdk_device_setup (xd);
753 if (vec_len (xd->errors))
754 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
755 format_dpdk_device_name, i,
756 format_dpdk_device_errors, xd);
758 if (devconf->hqos_enabled)
761 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
767 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
768 * specified otherwise in the startup config.
769 * For other NICs default to VLAN strip disabled, unless specified
770 * otherwis in the startup config.
772 if (xd->pmd == VNET_DPDK_PMD_ENIC)
774 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
775 vlan_strip = 1; /* remove vlan tag from VIC port by default */
777 dpdk_log_warn ("VLAN strip disabled for interface\n");
779 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
785 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
786 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
787 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
788 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
791 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
793 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)
826 int num_whitelisted = vec_len (conf->dev_confs);
827 vlib_pci_device_info_t *d = 0;
828 vlib_pci_addr_t *addr = 0, *addrs;
830 addrs = vlib_pci_get_all_dev_addrs ();
832 vec_foreach (addr, addrs)
834 dpdk_device_config_t * devconf = 0;
835 vec_reset_length (pci_addr);
836 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
839 vlib_pci_free_device_info (d);
842 d = vlib_pci_get_device_info (addr, &error);
845 clib_error_report (error);
849 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
854 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
859 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
863 if (d->vendor_id == 0x1af4 &&
864 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
865 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
868 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
870 /* all Intel network devices */
871 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
873 /* all Intel QAT devices VFs */
874 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
875 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
878 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
881 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
883 /* Amazen Elastic Network Adapter */
884 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
886 /* Cavium Network Adapter */
887 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
889 /* Cavium FastlinQ QL41000 Series */
890 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
893 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
898 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
904 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
905 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
910 error = vlib_pci_bind_to_uio (addr, (char *) conf->uio_driver_name);
916 pool_get (conf->dev_confs, devconf);
917 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
918 devconf - conf->dev_confs);
919 devconf->pci_addr.as_u32 = addr->as_u32;
921 devconf->is_blacklisted = 1;
922 clib_error_report (error);
927 vlib_pci_free_device_info (d);
930 static clib_error_t *
931 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
932 unformat_input_t * input, u8 is_default)
934 clib_error_t *error = 0;
936 dpdk_device_config_t *devconf;
937 unformat_input_t sub_input;
941 devconf = &conf->default_devconf;
945 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
949 pool_get (conf->dev_confs, devconf);
950 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
951 devconf - conf->dev_confs);
954 return clib_error_return (0,
955 "duplicate configuration for PCI address %U",
956 format_vlib_pci_addr, &pci_addr);
959 devconf->pci_addr.as_u32 = pci_addr.as_u32;
960 devconf->hqos_enabled = 0;
961 dpdk_device_config_hqos_default (&devconf->hqos);
966 unformat_skip_white_space (input);
967 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
969 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
971 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
973 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
975 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
977 else if (unformat (input, "workers %U", unformat_bitmap_list,
982 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
984 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
988 else if (unformat (input, "vlan-strip-offload off"))
989 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
990 else if (unformat (input, "vlan-strip-offload on"))
991 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
994 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
996 devconf->hqos_enabled = 1;
997 error = unformat_hqos (&sub_input, &devconf->hqos);
1001 else if (unformat (input, "hqos"))
1003 devconf->hqos_enabled = 1;
1007 error = clib_error_return (0, "unknown input `%U'",
1008 format_unformat_error, input);
1016 if (devconf->workers && devconf->num_rx_queues == 0)
1017 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1018 else if (devconf->workers &&
1019 clib_bitmap_count_set_bits (devconf->workers) !=
1020 devconf->num_rx_queues)
1022 clib_error_return (0,
1023 "%U: number of worker threadds must be "
1024 "equal to number of rx queues", format_vlib_pci_addr,
1030 static clib_error_t *
1031 dpdk_log_read_ready (clib_file_t * uf)
1033 unformat_input_t input;
1040 uword len = vec_len (s);
1041 vec_resize (s, len + n_try);
1043 n = read (uf->file_descriptor, s + len, n_try);
1044 if (n < 0 && errno != EAGAIN)
1045 return clib_error_return_unix (0, "read");
1046 _vec_len (s) = len + (n < 0 ? 0 : n);
1049 unformat_init_vector (&input, s);
1051 while (unformat_user (&input, unformat_line, &line))
1053 dpdk_log_notice ("%v", line);
1057 unformat_free (&input);
1061 static clib_error_t *
1062 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1064 clib_error_t *error = 0;
1065 dpdk_config_main_t *conf = &dpdk_config_main;
1066 vlib_thread_main_t *tm = vlib_get_thread_main ();
1067 dpdk_device_config_t *devconf;
1068 vlib_pci_addr_t pci_addr;
1069 unformat_input_t sub_input;
1074 int num_whitelisted = 0;
1080 u8 *huge_dir_path = 0;
1083 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1085 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1086 log_level = RTE_LOG_NOTICE;
1088 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1090 /* Prime the pump */
1091 if (unformat (input, "no-hugetlb"))
1093 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1097 else if (unformat (input, "enable-tcp-udp-checksum"))
1098 conf->enable_tcp_udp_checksum = 1;
1100 else if (unformat (input, "no-tx-checksum-offload"))
1101 conf->no_tx_checksum_offload = 1;
1103 else if (unformat (input, "decimal-interface-names"))
1104 conf->interface_name_format_decimal = 1;
1106 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
1109 else if (unformat (input, "no-multi-seg"))
1110 conf->no_multi_seg = 1;
1112 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1116 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1124 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1125 unformat_vlib_cli_sub_input, &sub_input))
1127 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1134 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1136 error = dpdk_device_config (conf, pci_addr, 0, 0);
1143 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1145 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1147 else if (unformat (input, "socket-mem %s", &socket_mem))
1149 else if (unformat (input, "no-pci"))
1152 tmp = format (0, "--no-pci%c", 0);
1153 vec_add1 (conf->eal_init_args, tmp);
1157 else if (unformat(input, #a)) \
1159 tmp = format (0, "--%s%c", #a, 0); \
1160 vec_add1 (conf->eal_init_args, tmp); \
1162 foreach_eal_double_hyphen_predicate_arg
1165 else if (unformat(input, #a " %s", &s)) \
1167 if (!strncmp(#a, "huge-dir", 8)) \
1169 else if (!strncmp(#a, "file-prefix", 11)) \
1171 tmp = format (0, "--%s%c", #a, 0); \
1172 vec_add1 (conf->eal_init_args, tmp); \
1174 if (!strncmp(#a, "vdev", 4)) \
1175 if (strstr((char*)s, "af_packet")) \
1176 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1177 vec_add1 (conf->eal_init_args, s); \
1179 foreach_eal_double_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); \
1189 foreach_eal_single_hyphen_arg
1192 else if (unformat(input, #a " %s", &s)) \
1194 tmp = format (0, "-%s%c", #b, 0); \
1195 vec_add1 (conf->eal_init_args, tmp); \
1197 vec_add1 (conf->eal_init_args, s); \
1198 conf->a##_set_manually = 1; \
1200 foreach_eal_single_hyphen_mandatory_arg
1202 else if (unformat (input, "default"))
1205 else if (unformat_skip_white_space (input))
1209 error = clib_error_return (0, "unknown input `%U'",
1210 format_unformat_error, input);
1215 if (!conf->uio_driver_name)
1216 conf->uio_driver_name = format (0, "auto%c", 0);
1219 * Use 1G huge pages if available.
1221 if (!no_huge && !huge_dir)
1223 u32 x, *mem_by_socket = 0;
1227 umount ((char *) huge_dir_path);
1229 /* Process "socket-mem" parameter value */
1230 if (vec_len (socket_mem))
1232 unformat_input_t in;
1233 unformat_init_vector (&in, socket_mem);
1234 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1236 if (unformat (&in, "%u,", &x))
1238 else if (unformat (&in, "%u", &x))
1240 else if (unformat (&in, ","))
1245 vec_add1 (mem_by_socket, x);
1247 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1248 unformat_free (&in);
1254 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1256 vec_validate(mem_by_socket, c);
1257 mem_by_socket[c] = 64; /* default per-socket mem */
1264 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1268 vec_validate(mem_by_socket, c);
1270 e = clib_sysfs_prealloc_hugepages(c, 2 << 10, mem_by_socket[c] / 2);
1272 clib_error_report (e);
1276 if (mem_by_socket == 0)
1278 error = clib_error_return (0, "mem_by_socket NULL");
1281 _vec_len (mem_by_socket) = c + 1;
1283 /* regenerate socket_mem string */
1284 vec_foreach_index (x, mem_by_socket)
1285 socket_mem = format (socket_mem, "%s%u",
1286 socket_mem ? "," : "", mem_by_socket[x]);
1287 socket_mem = format (socket_mem, "%c", 0);
1289 vec_free (mem_by_socket);
1291 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1297 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1301 error = clib_error_return (0, "mount failed %d", errno);
1305 tmp = format (0, "--huge-dir%c", 0);
1306 vec_add1 (conf->eal_init_args, tmp);
1307 tmp = format (0, "%s%c", huge_dir_path, 0);
1308 vec_add1 (conf->eal_init_args, tmp);
1311 tmp = format (0, "--file-prefix%c", 0);
1312 vec_add1 (conf->eal_init_args, tmp);
1313 tmp = format (0, "vpp%c", 0);
1314 vec_add1 (conf->eal_init_args, tmp);
1321 /* I'll bet that -c and -n must be the first and second args... */
1322 if (!conf->coremask_set_manually)
1324 vlib_thread_registration_t *tr;
1325 uword *coremask = 0;
1328 /* main thread core */
1329 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1331 for (i = 0; i < vec_len (tm->registrations); i++)
1333 tr = tm->registrations[i];
1334 coremask = clib_bitmap_or (coremask, tr->coremask);
1337 vec_insert (conf->eal_init_args, 2, 1);
1338 conf->eal_init_args[1] = (u8 *) "-c";
1339 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1340 conf->eal_init_args[2] = tmp;
1341 clib_bitmap_free (coremask);
1344 if (!conf->nchannels_set_manually)
1346 vec_insert (conf->eal_init_args, 2, 3);
1347 conf->eal_init_args[3] = (u8 *) "-n";
1348 tmp = format (0, "%d", conf->nchannels);
1349 conf->eal_init_args[4] = tmp;
1352 if (no_pci == 0 && geteuid () == 0)
1353 dpdk_bind_devices_to_uio (conf);
1356 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1357 devconf->x = conf->default_devconf.x ;
1360 pool_foreach (devconf, conf->dev_confs, ({
1362 /* default per-device config items */
1363 foreach_dpdk_device_config_item
1365 /* add DPDK EAL whitelist/blacklist entry */
1366 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1368 tmp = format (0, "-w%c", 0);
1369 vec_add1 (conf->eal_init_args, tmp);
1370 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1371 vec_add1 (conf->eal_init_args, tmp);
1373 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1375 tmp = format (0, "-b%c", 0);
1376 vec_add1 (conf->eal_init_args, tmp);
1377 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1378 vec_add1 (conf->eal_init_args, tmp);
1385 /* set master-lcore */
1386 tmp = format (0, "--master-lcore%c", 0);
1387 vec_add1 (conf->eal_init_args, tmp);
1388 tmp = format (0, "%u%c", tm->main_lcore, 0);
1389 vec_add1 (conf->eal_init_args, tmp);
1391 /* set socket-mem */
1394 tmp = format (0, "--socket-mem%c", 0);
1395 vec_add1 (conf->eal_init_args, tmp);
1396 tmp = format (0, "%s%c", socket_mem, 0);
1397 vec_add1 (conf->eal_init_args, tmp);
1400 /* NULL terminate the "argv" vector, in case of stupidity */
1401 vec_add1 (conf->eal_init_args, 0);
1402 _vec_len (conf->eal_init_args) -= 1;
1404 /* Set up DPDK eal and packet mbuf pool early. */
1406 rte_log_set_global_level (log_level);
1407 int log_fds[2] = { 0 };
1408 if (pipe (log_fds) == 0)
1410 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1412 FILE *f = fdopen (log_fds[1], "a");
1413 if (f && rte_openlog_stream (f) == 0)
1415 clib_file_t t = { 0 };
1416 t.read_function = dpdk_log_read_ready;
1417 t.file_descriptor = log_fds[0];
1418 t.description = format (0, "DPDK logging pipe");
1419 clib_file_add (&file_main, &t);
1429 vm = vlib_get_main ();
1431 /* make copy of args as rte_eal_init tends to mess up with arg array */
1432 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1433 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1434 conf->eal_init_args[i]);
1436 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1437 ret = rte_eal_init (vec_len (conf->eal_init_args),
1438 (char **) conf->eal_init_args);
1440 /* lazy umount hugepages */
1441 umount2 ((char *) huge_dir_path, MNT_DETACH);
1442 rmdir ((char *) huge_dir_path);
1443 vec_free (huge_dir_path);
1446 return clib_error_return (0, "rte_eal_init returned %d", ret);
1448 /* set custom ring memory allocator */
1450 struct rte_mempool_ops *ops = NULL;
1452 ops = get_ops_by_name ("ring_sp_sc");
1453 ops->alloc = dpdk_ring_alloc;
1455 ops = get_ops_by_name ("ring_mp_sc");
1456 ops->alloc = dpdk_ring_alloc;
1458 ops = get_ops_by_name ("ring_sp_mc");
1459 ops->alloc = dpdk_ring_alloc;
1461 ops = get_ops_by_name ("ring_mp_mc");
1462 ops->alloc = dpdk_ring_alloc;
1465 /* main thread 1st */
1466 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1470 for (i = 0; i < RTE_MAX_LCORE; i++)
1472 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1473 rte_lcore_to_socket_id (i));
1482 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1485 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1487 vnet_main_t *vnm = vnet_get_main ();
1488 struct rte_eth_link prev_link = xd->link;
1490 u8 hw_flags_chg = 0;
1492 /* only update link state for PMD interfaces */
1493 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1496 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1497 memset (&xd->link, 0, sizeof (xd->link));
1498 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1500 if (LINK_STATE_ELOGS)
1502 vlib_main_t *vm = vlib_get_main ();
1503 ELOG_TYPE_DECLARE (e) =
1506 "update-link-state: sw_if_index %d, admin_up %d,"
1507 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1516 ed = ELOG_DATA (&vm->elog_main, e);
1517 ed->sw_if_index = xd->sw_if_index;
1518 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1519 ed->old_link_state = (u8)
1520 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1521 ed->new_link_state = (u8) xd->link.link_status;
1524 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1525 && ((xd->link.link_status != 0) ^
1526 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1529 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1532 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1535 switch (xd->link.link_duplex)
1537 case ETH_LINK_HALF_DUPLEX:
1538 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1540 case ETH_LINK_FULL_DUPLEX:
1541 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1547 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1550 switch (xd->link.link_speed)
1552 case ETH_SPEED_NUM_10M:
1553 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1555 case ETH_SPEED_NUM_100M:
1556 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1558 case ETH_SPEED_NUM_1G:
1559 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1561 case ETH_SPEED_NUM_2_5G:
1562 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_2_5G;
1564 case ETH_SPEED_NUM_5G:
1565 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_5G;
1567 case ETH_SPEED_NUM_10G:
1568 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1570 case ETH_SPEED_NUM_20G:
1571 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_20G;
1573 case ETH_SPEED_NUM_25G:
1574 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_25G;
1576 case ETH_SPEED_NUM_40G:
1577 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1579 case ETH_SPEED_NUM_50G:
1580 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_50G;
1582 case ETH_SPEED_NUM_56G:
1583 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_56G;
1585 case ETH_SPEED_NUM_100G:
1586 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100G;
1591 dpdk_log_warn ("unknown link speed %d", xd->link.link_speed);
1597 if (LINK_STATE_ELOGS)
1599 vlib_main_t *vm = vlib_get_main ();
1601 ELOG_TYPE_DECLARE (e) =
1604 "update-link-state: sw_if_index %d, new flags %d",.format_args
1612 ed = ELOG_DATA (&vm->elog_main, e);
1613 ed->sw_if_index = xd->sw_if_index;
1614 ed->flags = hw_flags;
1616 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1621 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1623 clib_error_t *error;
1624 vnet_main_t *vnm = vnet_get_main ();
1625 dpdk_main_t *dm = &dpdk_main;
1626 ethernet_main_t *em = ðernet_main;
1628 vlib_thread_main_t *tm = vlib_get_thread_main ();
1632 error = dpdk_lib_init (dm);
1635 clib_error_report (error);
1637 tm->worker_thread_release = 1;
1639 f64 now = vlib_time_now (vm);
1640 vec_foreach (xd, dm->devices)
1642 dpdk_update_link_state (xd, now);
1647 * Extra set up for bond interfaces:
1648 * 1. Setup MACs for bond interfaces and their slave links which was set
1649 * in dpdk_device_setup() but needs to be done again here to take
1651 * 2. Set up info and register slave link state change callback handling.
1652 * 3. Set up info for bond interface related CLI support.
1654 int nports = rte_eth_dev_count_avail ();
1658 RTE_ETH_FOREACH_DEV(i)
1661 for (j = 0; j < nports; j++)
1663 if (dm->devices[j].port_id == i)
1665 xd = &dm->devices[j];
1668 if (xd != NULL && xd->pmd == VNET_DPDK_PMD_BOND)
1671 dpdk_portid_t slink[16];
1672 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1675 vnet_hw_interface_t *bhi;
1676 ethernet_interface_t *bei;
1679 /* Get MAC of 1st slave link */
1681 (slink[0], (struct ether_addr *) addr);
1683 /* Set MAC of bounded interface to that of 1st slave link */
1684 dpdk_log_info ("Set MAC for bond port %d BondEthernet%d",
1685 i, xd->bond_instance_num);
1686 rv = rte_eth_bond_mac_address_set
1687 (i, (struct ether_addr *) addr);
1689 dpdk_log_warn ("Set MAC addr failure rv=%d", rv);
1691 /* Populate MAC of bonded interface in VPP hw tables */
1692 bhi = vnet_get_hw_interface
1693 (vnm, dm->devices[i].hw_if_index);
1694 bei = pool_elt_at_index
1695 (em->interfaces, bhi->hw_instance);
1696 clib_memcpy (bhi->hw_address, addr, 6);
1697 clib_memcpy (bei->address, addr, 6);
1699 /* Init l3 packet size allowed on bonded interface */
1700 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1702 { /* for all slave links */
1703 int slave = slink[--nlink];
1704 dpdk_device_t *sdev = &dm->devices[slave];
1705 vnet_hw_interface_t *shi;
1706 vnet_sw_interface_t *ssi;
1707 ethernet_interface_t *sei;
1708 /* Add MAC to all slave links except the first one */
1711 dpdk_log_info ("Add MAC for slave port %d",
1713 rv = rte_eth_dev_mac_addr_add
1714 (slave, (struct ether_addr *) addr, 0);
1716 dpdk_log_warn ("Add MAC addr failure rv=%d",
1719 /* Setup slave link state change callback handling */
1720 rte_eth_dev_callback_register
1721 (slave, RTE_ETH_EVENT_INTR_LSC,
1722 dpdk_port_state_callback, NULL);
1723 dpdk_device_t *sxd = &dm->devices[slave];
1724 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1726 /* Set slaves bitmap for bonded interface */
1727 bhi->bond_info = clib_bitmap_set
1728 (bhi->bond_info, sdev->hw_if_index, 1);
1729 /* Set MACs and slave link flags on slave interface */
1730 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1731 ssi = vnet_get_sw_interface (vnm, sdev->sw_if_index);
1732 sei = pool_elt_at_index
1733 (em->interfaces, shi->hw_instance);
1734 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1735 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1736 clib_memcpy (shi->hw_address, addr, 6);
1737 clib_memcpy (sei->address, addr, 6);
1738 /* Set l3 packet size allowed as the lowest of slave */
1739 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1740 bhi->max_packet_bytes = shi->max_packet_bytes;
1752 * check each time through the loop in case intervals are changed
1754 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1755 dm->link_state_poll_interval : dm->stat_poll_interval;
1757 vlib_process_wait_for_event_or_clock (vm, min_wait);
1759 if (dm->admin_up_down_in_progress)
1760 /* skip the poll if an admin up down is in progress (on any interface) */
1763 vec_foreach (xd, dm->devices)
1765 f64 now = vlib_time_now (vm);
1766 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1767 dpdk_update_counters (xd, now);
1768 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1769 dpdk_update_link_state (xd, now);
1778 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1779 .function = dpdk_process,
1780 .type = VLIB_NODE_TYPE_PROCESS,
1781 .name = "dpdk-process",
1782 .process_log2_n_stack_bytes = 17,
1786 static clib_error_t *
1787 dpdk_init (vlib_main_t * vm)
1789 dpdk_main_t *dm = &dpdk_main;
1790 clib_error_t *error = 0;
1791 vlib_thread_main_t *tm = vlib_get_thread_main ();
1793 /* verify that structs are cacheline aligned */
1794 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1795 "Cache line marker must be 1st element in dpdk_device_t");
1796 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1797 CLIB_CACHE_LINE_BYTES,
1798 "Data in cache line 0 is bigger than cache line size");
1799 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1800 "Cache line marker must be 1st element in frame_queue_trace_t");
1801 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1802 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1805 dm->vnet_main = vnet_get_main ();
1806 dm->conf = &dpdk_config_main;
1808 dm->conf->nchannels = 4;
1809 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1810 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1812 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1814 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1815 dm->buffer_flags_template =
1816 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1817 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1818 VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
1820 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1821 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1824 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1827 dm->log_default = vlib_log_register_class ("dpdk", 0);
1832 VLIB_INIT_FUNCTION (dpdk_init);
1836 * fd.io coding-style-patch-verification: ON
1839 * eval: (c-set-style "gnu")