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;
390 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
395 xd->flags |= DPDK_DEVICE_FLAG_PMD;
397 /* workaround for drivers not setting driver_name */
398 if ((!dev_info.driver_name) && (pci_dev))
399 dev_info.driver_name = pci_dev->driver->driver.name;
401 ASSERT (dev_info.driver_name);
407 #define _(s,f) else if (dev_info.driver_name && \
408 !strcmp(dev_info.driver_name, s)) \
409 xd->pmd = VNET_DPDK_PMD_##f;
415 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
417 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
418 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
419 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
423 /* Drivers with valid speed_capa set */
424 case VNET_DPDK_PMD_E1000EM:
425 case VNET_DPDK_PMD_IGB:
426 case VNET_DPDK_PMD_IXGBE:
427 case VNET_DPDK_PMD_I40E:
428 xd->port_type = port_type_from_speed_capa (&dev_info);
429 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
430 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
431 VNET_FLOW_ACTION_BUFFER_ADVANCE |
432 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
434 if (dm->conf->no_tx_checksum_offload == 0)
436 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
437 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOXSUMS;
439 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_SCTP_CKSUM;
440 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
441 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
444 DPDK_DEVICE_FLAG_TX_OFFLOAD |
445 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
450 case VNET_DPDK_PMD_CXGBE:
451 case VNET_DPDK_PMD_MLX4:
452 case VNET_DPDK_PMD_MLX5:
453 case VNET_DPDK_PMD_QEDE:
454 xd->port_type = port_type_from_speed_capa (&dev_info);
458 case VNET_DPDK_PMD_IGBVF:
459 case VNET_DPDK_PMD_IXGBEVF:
460 case VNET_DPDK_PMD_I40EVF:
461 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
462 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
463 xd->port_conf.rxmode.hw_strip_crc = 1;
465 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
469 case VNET_DPDK_PMD_THUNDERX:
470 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
471 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
472 xd->port_conf.rxmode.hw_strip_crc = 1;
474 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
478 case VNET_DPDK_PMD_ENA:
479 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
480 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
481 xd->port_conf.rxmode.enable_scatter = 0;
483 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
487 case VNET_DPDK_PMD_DPAA2:
488 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
492 case VNET_DPDK_PMD_ENIC:
493 if (l.link_speed == 40000)
494 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
496 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
499 /* Intel Red Rock Canyon */
500 case VNET_DPDK_PMD_FM10K:
501 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
502 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
503 xd->port_conf.rxmode.hw_strip_crc = 1;
505 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
510 case VNET_DPDK_PMD_VIRTIO:
511 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
512 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
513 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
517 case VNET_DPDK_PMD_VMXNET3:
518 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
519 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
520 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
522 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
526 case VNET_DPDK_PMD_AF_PACKET:
527 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
528 xd->af_packet_instance_num = af_packet_instance_num++;
531 case VNET_DPDK_PMD_BOND:
532 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
533 xd->bond_instance_num = bond_ether_instance_num++;
536 case VNET_DPDK_PMD_VIRTIO_USER:
537 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
540 case VNET_DPDK_PMD_VHOST_ETHER:
541 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
544 case VNET_DPDK_PMD_LIOVF_ETHER:
545 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
548 case VNET_DPDK_PMD_FAILSAFE:
549 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
550 xd->port_conf.intr_conf.lsc = 1;
554 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
557 if (devconf->num_rx_desc)
558 xd->nb_rx_desc = devconf->num_rx_desc;
560 if (devconf->num_tx_desc)
561 xd->nb_tx_desc = devconf->num_tx_desc;
564 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
566 f64 now = vlib_time_now (vm);
568 rnd = (u32) (now * 1e6);
569 rnd = random_u32 (&rnd);
570 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
575 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
577 if (xd->tx_q_used < tm->n_vlib_mains)
578 dpdk_device_lock_init (xd);
581 xd->device_index = xd - dm->devices;
582 xd->per_interface_next_index = ~0;
584 /* assign interface to input thread */
587 if (devconf->hqos_enabled)
589 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
592 if (devconf->hqos.hqos_thread_valid)
594 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
595 return clib_error_return (0, "invalid HQoS thread index");
597 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
601 if (dm->hqos_cpu_count == 0)
602 return clib_error_return (0, "no HQoS threads available");
604 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
607 if (next_hqos_cpu == dm->hqos_cpu_count)
610 devconf->hqos.hqos_thread_valid = 1;
611 devconf->hqos.hqos_thread = cpu;
614 dpdk_device_and_queue_t *dq;
615 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
616 dq->device = xd->device_index;
620 /* count the number of descriptors used for this device */
621 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
623 error = ethernet_register_interface
624 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
625 /* ethernet address */ addr,
626 &xd->hw_if_index, dpdk_flag_change);
631 * Ensure default mtu is not > the mtu read from the hardware.
632 * Otherwise rte_eth_dev_configure() will fail and the port will
634 * Calculate max_frame_size and mtu supported by NIC
636 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
639 * This device does not support the platforms's max frame
640 * size. Use it's advertised mru instead.
642 max_rx_frame = dev_info.max_rx_pktlen;
643 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
647 /* VPP treats MTU and max_rx_pktlen both equal to
648 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
649 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
651 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
652 sizeof (ethernet_header_t)))
654 mtu = ETHERNET_MAX_PACKET_BYTES;
655 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
658 * Some platforms do not account for Ethernet FCS (4 bytes) in
659 * MTU calculations. To interop with them increase mru but only
660 * if the device's settings can support it.
662 if (dpdk_port_crc_strip_enabled (xd) &&
663 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
664 sizeof (ethernet_header_t) +
672 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
673 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
675 if (dpdk_port_crc_strip_enabled (xd) &&
676 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
683 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
685 /* failsafe device numerables are reported with active device only,
686 * need to query the mtu for current device setup to overwrite
690 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
693 max_rx_frame = mtu + sizeof (ethernet_header_t);
695 if (dpdk_port_crc_strip_enabled (xd))
702 /*Set port rxmode config */
703 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
705 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
706 xd->sw_if_index = sw->sw_if_index;
707 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
708 dpdk_input_node.index);
710 if (devconf->workers)
714 clib_bitmap_foreach (i, devconf->workers, ({
715 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
716 vdm->first_worker_thread_index + i);
720 for (q = 0; q < xd->rx_q_used; q++)
722 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
726 /*Get vnet hardware interface */
727 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
729 /*Override default max_packet_bytes and max_supported_bytes set in
730 * ethernet_register_interface() above*/
733 hi->max_packet_bytes = mtu;
734 hi->max_supported_packet_bytes = max_rx_frame;
737 if (dm->conf->no_tx_checksum_offload == 0)
738 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
739 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
741 dpdk_device_setup (xd);
743 if (vec_len (xd->errors))
744 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
745 format_dpdk_device_name, i,
746 format_dpdk_device_errors, xd);
748 if (devconf->hqos_enabled)
751 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
757 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
758 * specified otherwise in the startup config.
759 * For other NICs default to VLAN strip disabled, unless specified
760 * otherwis in the startup config.
762 if (xd->pmd == VNET_DPDK_PMD_ENIC)
764 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
765 vlan_strip = 1; /* remove vlan tag from VIC port by default */
767 dpdk_log_warn ("VLAN strip disabled for interface\n");
769 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
775 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
776 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
777 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
778 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
781 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
783 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
785 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) == 0)
786 dpdk_log_info ("VLAN strip enabled for interface\n");
788 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
792 hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
793 - sizeof (ethernet_header_t);
795 clib_warning ("hi NULL");
797 if (dm->conf->no_multi_seg)
798 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
800 rte_eth_dev_set_mtu (xd->port_id, mtu);
804 if (nb_desc > dm->conf->num_mbufs)
805 dpdk_log_err ("%d mbufs allocated but total rx/tx ring size is %d\n",
806 dm->conf->num_mbufs, nb_desc);
812 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
816 int num_whitelisted = vec_len (conf->dev_confs);
817 vlib_pci_device_info_t *d = 0;
818 vlib_pci_addr_t *addr = 0, *addrs;
820 addrs = vlib_pci_get_all_dev_addrs ();
822 vec_foreach (addr, addrs)
824 dpdk_device_config_t * devconf = 0;
825 vec_reset_length (pci_addr);
826 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
829 vlib_pci_free_device_info (d);
832 d = vlib_pci_get_device_info (addr, &error);
835 clib_error_report (error);
839 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
844 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
849 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
853 if (d->vendor_id == 0x1af4 &&
854 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
855 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
858 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
860 /* all Intel network devices */
861 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
863 /* all Intel QAT devices VFs */
864 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
865 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
868 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
871 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
873 /* Amazen Elastic Network Adapter */
874 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
876 /* Cavium Network Adapter */
877 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
879 /* Cavium FastlinQ QL41000 Series */
880 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
883 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
888 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
894 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
895 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
900 error = vlib_pci_bind_to_uio (addr, (char *) conf->uio_driver_name);
906 pool_get (conf->dev_confs, devconf);
907 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
908 devconf - conf->dev_confs);
909 devconf->pci_addr.as_u32 = addr->as_u32;
911 devconf->is_blacklisted = 1;
912 clib_error_report (error);
917 vlib_pci_free_device_info (d);
920 static clib_error_t *
921 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
922 unformat_input_t * input, u8 is_default)
924 clib_error_t *error = 0;
926 dpdk_device_config_t *devconf;
927 unformat_input_t sub_input;
931 devconf = &conf->default_devconf;
935 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
939 pool_get (conf->dev_confs, devconf);
940 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
941 devconf - conf->dev_confs);
944 return clib_error_return (0,
945 "duplicate configuration for PCI address %U",
946 format_vlib_pci_addr, &pci_addr);
949 devconf->pci_addr.as_u32 = pci_addr.as_u32;
950 devconf->hqos_enabled = 0;
951 dpdk_device_config_hqos_default (&devconf->hqos);
956 unformat_skip_white_space (input);
957 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
959 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
961 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
963 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
965 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
967 else if (unformat (input, "workers %U", unformat_bitmap_list,
972 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
974 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
978 else if (unformat (input, "vlan-strip-offload off"))
979 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
980 else if (unformat (input, "vlan-strip-offload on"))
981 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
984 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
986 devconf->hqos_enabled = 1;
987 error = unformat_hqos (&sub_input, &devconf->hqos);
991 else if (unformat (input, "hqos"))
993 devconf->hqos_enabled = 1;
997 error = clib_error_return (0, "unknown input `%U'",
998 format_unformat_error, input);
1006 if (devconf->workers && devconf->num_rx_queues == 0)
1007 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1008 else if (devconf->workers &&
1009 clib_bitmap_count_set_bits (devconf->workers) !=
1010 devconf->num_rx_queues)
1012 clib_error_return (0,
1013 "%U: number of worker threadds must be "
1014 "equal to number of rx queues", format_vlib_pci_addr,
1020 static clib_error_t *
1021 dpdk_log_read_ready (clib_file_t * uf)
1023 unformat_input_t input;
1030 uword len = vec_len (s);
1031 vec_resize (s, len + n_try);
1033 n = read (uf->file_descriptor, s + len, n_try);
1034 if (n < 0 && errno != EAGAIN)
1035 return clib_error_return_unix (0, "read");
1036 _vec_len (s) = len + (n < 0 ? 0 : n);
1039 unformat_init_vector (&input, s);
1041 while (unformat_user (&input, unformat_line, &line))
1043 dpdk_log_notice ("%v", line);
1047 unformat_free (&input);
1051 static clib_error_t *
1052 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1054 clib_error_t *error = 0;
1055 dpdk_config_main_t *conf = &dpdk_config_main;
1056 vlib_thread_main_t *tm = vlib_get_thread_main ();
1057 dpdk_device_config_t *devconf;
1058 vlib_pci_addr_t pci_addr;
1059 unformat_input_t sub_input;
1064 int num_whitelisted = 0;
1070 u8 *huge_dir_path = 0;
1073 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1075 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1076 log_level = RTE_LOG_NOTICE;
1078 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1080 /* Prime the pump */
1081 if (unformat (input, "no-hugetlb"))
1083 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1087 else if (unformat (input, "enable-tcp-udp-checksum"))
1088 conf->enable_tcp_udp_checksum = 1;
1090 else if (unformat (input, "no-tx-checksum-offload"))
1091 conf->no_tx_checksum_offload = 1;
1093 else if (unformat (input, "decimal-interface-names"))
1094 conf->interface_name_format_decimal = 1;
1096 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
1099 else if (unformat (input, "no-multi-seg"))
1100 conf->no_multi_seg = 1;
1102 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1106 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1114 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1115 unformat_vlib_cli_sub_input, &sub_input))
1117 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1124 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1126 error = dpdk_device_config (conf, pci_addr, 0, 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;
1781 vlib_thread_main_t *tm = vlib_get_thread_main ();
1783 /* verify that structs are cacheline aligned */
1784 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1785 "Cache line marker must be 1st element in dpdk_device_t");
1786 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1787 CLIB_CACHE_LINE_BYTES,
1788 "Data in cache line 0 is bigger than cache line size");
1789 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1790 "Cache line marker must be 1st element in frame_queue_trace_t");
1791 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1792 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1795 dm->vnet_main = vnet_get_main ();
1796 dm->conf = &dpdk_config_main;
1798 dm->conf->nchannels = 4;
1799 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1800 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1802 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1804 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1805 dm->buffer_flags_template =
1806 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1807 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1808 VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
1810 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1811 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1814 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1817 dm->log_default = vlib_log_register_class ("dpdk", 0);
1822 VLIB_INIT_FUNCTION (dpdk_init);
1826 * fd.io coding-style-patch-verification: ON
1829 * eval: (c-set-style "gnu")