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 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
50 static struct rte_eth_conf port_conf_template = {
55 .mq_mode = ETH_MQ_TX_NONE,
60 static dpdk_port_type_t
61 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
64 if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
65 return VNET_DPDK_PORT_TYPE_ETH_100G;
66 else if (dev_info->speed_capa & ETH_LINK_SPEED_56G)
67 return VNET_DPDK_PORT_TYPE_ETH_56G;
68 else if (dev_info->speed_capa & ETH_LINK_SPEED_50G)
69 return VNET_DPDK_PORT_TYPE_ETH_50G;
70 else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
71 return VNET_DPDK_PORT_TYPE_ETH_40G;
72 else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
73 return VNET_DPDK_PORT_TYPE_ETH_25G;
74 else if (dev_info->speed_capa & ETH_LINK_SPEED_20G)
75 return VNET_DPDK_PORT_TYPE_ETH_20G;
76 else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
77 return VNET_DPDK_PORT_TYPE_ETH_10G;
78 else if (dev_info->speed_capa & ETH_LINK_SPEED_5G)
79 return VNET_DPDK_PORT_TYPE_ETH_5G;
80 else if (dev_info->speed_capa & ETH_LINK_SPEED_2_5G)
81 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
82 else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
83 return VNET_DPDK_PORT_TYPE_ETH_1G;
85 return VNET_DPDK_PORT_TYPE_UNKNOWN;
90 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
92 dpdk_main_t *dm = &dpdk_main;
93 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
96 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
98 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
100 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
101 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
103 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
105 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
107 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
108 rte_eth_promiscuous_enable (xd->port_id);
110 rte_eth_promiscuous_disable (xd->port_id);
113 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
115 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
116 dpdk_device_setup (xd);
122 dpdk_device_lock_init (dpdk_device_t * xd)
125 vec_validate (xd->lockp, xd->tx_q_used - 1);
126 for (q = 0; q < xd->tx_q_used; q++)
128 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
129 CLIB_CACHE_LINE_BYTES);
130 memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
134 static struct rte_mempool_ops *
135 get_ops_by_name (char *ops_name)
139 for (i = 0; i < rte_mempool_ops_table.num_ops; i++)
141 if (!strcmp (ops_name, rte_mempool_ops_table.ops[i].name))
142 return &rte_mempool_ops_table.ops[i];
149 dpdk_ring_alloc (struct rte_mempool *mp)
151 u32 rg_flags = 0, count;
153 char rg_name[RTE_RING_NAMESIZE];
156 ret = snprintf (rg_name, sizeof (rg_name), RTE_MEMPOOL_MZ_FORMAT, mp->name);
157 if (ret < 0 || ret >= (i32) sizeof (rg_name))
158 return -ENAMETOOLONG;
161 if (mp->flags & MEMPOOL_F_SP_PUT)
162 rg_flags |= RING_F_SP_ENQ;
163 if (mp->flags & MEMPOOL_F_SC_GET)
164 rg_flags |= RING_F_SC_DEQ;
166 count = rte_align32pow2 (mp->size + 1);
168 * Allocate the ring that will be used to store objects.
169 * Ring functions will return appropriate errors if we are
170 * running as a secondary process etc., so no checks made
171 * in this function for that condition.
173 /* XXX can we get memory from the right socket? */
174 r = clib_mem_alloc_aligned (rte_ring_get_memsize (count),
175 CLIB_CACHE_LINE_BYTES);
177 /* XXX rte_ring_lookup will not work */
179 ret = rte_ring_init (r, rg_name, count, rg_flags);
189 dpdk_port_crc_strip_enabled (dpdk_device_t * xd)
191 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
192 if (xd->port_conf.rxmode.hw_strip_crc)
194 if (xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_CRC_STRIP)
200 static clib_error_t *
201 dpdk_lib_init (dpdk_main_t * dm)
204 u32 mtu, max_rx_frame;
208 vlib_main_t *vm = vlib_get_main ();
209 vlib_thread_main_t *tm = vlib_get_thread_main ();
210 vnet_device_main_t *vdm = &vnet_device_main;
211 vnet_sw_interface_t *sw;
212 vnet_hw_interface_t *hi;
214 vlib_pci_addr_t last_pci_addr;
215 u32 last_pci_addr_port = 0;
216 vlib_thread_registration_t *tr_hqos;
219 u32 next_hqos_cpu = 0;
220 u8 af_packet_instance_num = 0;
221 u8 bond_ether_instance_num = 0;
222 last_pci_addr.as_u32 = ~0;
224 dm->hqos_cpu_first_index = 0;
225 dm->hqos_cpu_count = 0;
227 /* find out which cpus will be used for I/O TX */
228 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
229 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
231 if (tr_hqos && tr_hqos->count > 0)
233 dm->hqos_cpu_first_index = tr_hqos->first_index;
234 dm->hqos_cpu_count = tr_hqos->count;
237 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
238 CLIB_CACHE_LINE_BYTES);
240 nports = rte_eth_dev_count_avail ();
244 dpdk_log_notice ("DPDK drivers found no ports...");
248 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
250 if (dm->conf->enable_tcp_udp_checksum)
251 dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
252 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
254 /* vlib_buffer_t template */
255 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
256 CLIB_CACHE_LINE_BYTES);
257 for (i = 0; i < tm->n_vlib_mains; i++)
259 vlib_buffer_free_list_t *fl;
260 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
261 fl = vlib_buffer_get_free_list (vm,
262 VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
263 vlib_buffer_init_for_free_list (&ptd->buffer_template, fl);
264 ptd->buffer_template.flags = dm->buffer_flags_template;
265 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
269 RTE_ETH_FOREACH_DEV(i)
273 struct rte_eth_dev_info dev_info;
274 struct rte_pci_device *pci_dev;
275 struct rte_eth_link l;
276 dpdk_device_config_t *devconf = 0;
277 vlib_pci_addr_t pci_addr;
280 if (!rte_eth_dev_is_valid_port(i))
283 rte_eth_link_get_nowait (i, &l);
284 rte_eth_dev_info_get (i, &dev_info);
286 if (dev_info.device == 0)
288 clib_warning ("DPDK bug: missing device info. Skipping %s device",
289 dev_info.driver_name);
292 pci_dev = RTE_DEV_TO_PCI (dev_info.device);
294 if (pci_dev) /* bonded interface has no pci info */
296 pci_addr.domain = pci_dev->addr.domain;
297 pci_addr.bus = pci_dev->addr.bus;
298 pci_addr.slot = pci_dev->addr.devid;
299 pci_addr.function = pci_dev->addr.function;
301 hash_get (dm->conf->device_config_index_by_pci_addr,
306 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
308 devconf = &dm->conf->default_devconf;
310 /* Create vnet interface */
311 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
312 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
313 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
314 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
316 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
319 struct rte_eth_dev_info di = { 0 };
320 struct rte_pci_device *next_pci_dev;
321 rte_eth_dev_info_get (i + 1, &di);
322 next_pci_dev = di.device ? RTE_DEV_TO_PCI (di.device) : 0;
323 if (pci_dev && next_pci_dev &&
324 pci_addr.as_u32 != last_pci_addr.as_u32 &&
325 memcmp (&pci_dev->addr, &next_pci_dev->addr,
326 sizeof (struct rte_pci_addr)) == 0)
328 xd->interface_name_suffix = format (0, "0");
329 last_pci_addr.as_u32 = pci_addr.as_u32;
330 last_pci_addr_port = i;
332 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
334 xd->interface_name_suffix =
335 format (0, "%u", i - last_pci_addr_port);
339 last_pci_addr.as_u32 = ~0;
343 last_pci_addr.as_u32 = ~0;
345 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
346 sizeof (struct rte_eth_txconf));
348 if (dm->conf->no_multi_seg)
350 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
351 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
352 port_conf_template.rxmode.jumbo_frame = 0;
353 port_conf_template.rxmode.enable_scatter = 0;
355 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
356 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
357 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
362 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
363 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
364 port_conf_template.rxmode.jumbo_frame = 1;
365 port_conf_template.rxmode.enable_scatter = 1;
367 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
368 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
369 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
371 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
374 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
375 clib_memcpy (&xd->port_conf, &port_conf_template,
376 sizeof (struct rte_eth_conf));
379 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
381 if (devconf->num_tx_queues > 0
382 && devconf->num_tx_queues < xd->tx_q_used)
383 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
385 if (devconf->num_rx_queues > 1
386 && dev_info.max_rx_queues >= devconf->num_rx_queues)
388 xd->rx_q_used = devconf->num_rx_queues;
389 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
390 if (devconf->rss_fn == 0)
391 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
392 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
395 u64 unsupported_bits;
396 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
397 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
398 unsupported_bits &= ~dev_info.flow_type_rss_offloads;
399 if (unsupported_bits)
400 dpdk_log_warn ("Unsupported RSS hash functions: %U",
401 format_dpdk_rss_hf_name, unsupported_bits);
403 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
404 dev_info.flow_type_rss_offloads;
409 xd->flags |= DPDK_DEVICE_FLAG_PMD;
411 /* workaround for drivers not setting driver_name */
412 if ((!dev_info.driver_name) && (pci_dev))
413 dev_info.driver_name = pci_dev->driver->driver.name;
415 ASSERT (dev_info.driver_name);
421 #define _(s,f) else if (dev_info.driver_name && \
422 !strcmp(dev_info.driver_name, s)) \
423 xd->pmd = VNET_DPDK_PMD_##f;
429 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
431 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
432 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
433 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
437 /* Drivers with valid speed_capa set */
438 case VNET_DPDK_PMD_E1000EM:
439 case VNET_DPDK_PMD_IGB:
440 case VNET_DPDK_PMD_IXGBE:
441 case VNET_DPDK_PMD_I40E:
442 xd->port_type = port_type_from_speed_capa (&dev_info);
443 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
444 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
445 VNET_FLOW_ACTION_BUFFER_ADVANCE |
446 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
448 if (dm->conf->no_tx_checksum_offload == 0)
450 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
451 xd->tx_conf.txq_flags &= ~(ETH_TXQ_FLAGS_NOXSUMUDP |
452 ETH_TXQ_FLAGS_NOXSUMTCP);
454 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
455 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
458 DPDK_DEVICE_FLAG_TX_OFFLOAD |
459 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
464 case VNET_DPDK_PMD_CXGBE:
465 case VNET_DPDK_PMD_MLX4:
466 case VNET_DPDK_PMD_MLX5:
467 case VNET_DPDK_PMD_QEDE:
468 xd->port_type = port_type_from_speed_capa (&dev_info);
472 case VNET_DPDK_PMD_IGBVF:
473 case VNET_DPDK_PMD_IXGBEVF:
474 case VNET_DPDK_PMD_I40EVF:
475 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
476 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
477 xd->port_conf.rxmode.hw_strip_crc = 1;
479 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
483 case VNET_DPDK_PMD_THUNDERX:
484 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
485 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
486 xd->port_conf.rxmode.hw_strip_crc = 1;
488 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
492 case VNET_DPDK_PMD_ENA:
493 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
494 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
495 xd->port_conf.rxmode.enable_scatter = 0;
497 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
501 case VNET_DPDK_PMD_DPAA2:
502 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
506 case VNET_DPDK_PMD_ENIC:
507 if (l.link_speed == 40000)
508 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
510 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
513 /* Intel Red Rock Canyon */
514 case VNET_DPDK_PMD_FM10K:
515 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
516 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
517 xd->port_conf.rxmode.hw_strip_crc = 1;
519 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
524 case VNET_DPDK_PMD_VIRTIO:
525 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
526 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
527 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
531 case VNET_DPDK_PMD_VMXNET3:
532 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
533 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
534 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
536 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
540 case VNET_DPDK_PMD_AF_PACKET:
541 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
542 xd->af_packet_instance_num = af_packet_instance_num++;
545 case VNET_DPDK_PMD_BOND:
546 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
547 xd->bond_instance_num = bond_ether_instance_num++;
550 case VNET_DPDK_PMD_VIRTIO_USER:
551 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
554 case VNET_DPDK_PMD_VHOST_ETHER:
555 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
558 case VNET_DPDK_PMD_LIOVF_ETHER:
559 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
562 case VNET_DPDK_PMD_FAILSAFE:
563 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
564 xd->port_conf.intr_conf.lsc = 1;
568 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
571 if (devconf->num_rx_desc)
572 xd->nb_rx_desc = devconf->num_rx_desc;
574 if (devconf->num_tx_desc)
575 xd->nb_tx_desc = devconf->num_tx_desc;
578 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
580 f64 now = vlib_time_now (vm);
582 rnd = (u32) (now * 1e6);
583 rnd = random_u32 (&rnd);
584 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
589 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
591 if (xd->tx_q_used < tm->n_vlib_mains)
592 dpdk_device_lock_init (xd);
595 xd->device_index = xd - dm->devices;
596 xd->per_interface_next_index = ~0;
598 /* assign interface to input thread */
601 if (devconf->hqos_enabled)
603 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
606 if (devconf->hqos.hqos_thread_valid)
608 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
609 return clib_error_return (0, "invalid HQoS thread index");
611 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
615 if (dm->hqos_cpu_count == 0)
616 return clib_error_return (0, "no HQoS threads available");
618 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
621 if (next_hqos_cpu == dm->hqos_cpu_count)
624 devconf->hqos.hqos_thread_valid = 1;
625 devconf->hqos.hqos_thread = cpu;
628 dpdk_device_and_queue_t *dq;
629 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
630 dq->device = xd->device_index;
634 /* count the number of descriptors used for this device */
635 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
637 error = ethernet_register_interface
638 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
639 /* ethernet address */ addr,
640 &xd->hw_if_index, dpdk_flag_change);
645 * Ensure default mtu is not > the mtu read from the hardware.
646 * Otherwise rte_eth_dev_configure() will fail and the port will
648 * Calculate max_frame_size and mtu supported by NIC
650 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
653 * This device does not support the platforms's max frame
654 * size. Use it's advertised mru instead.
656 max_rx_frame = dev_info.max_rx_pktlen;
657 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
661 /* VPP treats MTU and max_rx_pktlen both equal to
662 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
663 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
665 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
666 sizeof (ethernet_header_t)))
668 mtu = ETHERNET_MAX_PACKET_BYTES;
669 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
672 * Some platforms do not account for Ethernet FCS (4 bytes) in
673 * MTU calculations. To interop with them increase mru but only
674 * if the device's settings can support it.
676 if (dpdk_port_crc_strip_enabled (xd) &&
677 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
678 sizeof (ethernet_header_t) +
686 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
687 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
689 if (dpdk_port_crc_strip_enabled (xd) &&
690 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
697 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
699 /* failsafe device numerables are reported with active device only,
700 * need to query the mtu for current device setup to overwrite
704 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
707 max_rx_frame = mtu + sizeof (ethernet_header_t);
709 if (dpdk_port_crc_strip_enabled (xd))
716 /*Set port rxmode config */
717 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
719 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
720 xd->sw_if_index = sw->sw_if_index;
721 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
722 dpdk_input_node.index);
724 if (devconf->workers)
728 clib_bitmap_foreach (i, devconf->workers, ({
729 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
730 vdm->first_worker_thread_index + i);
734 for (q = 0; q < xd->rx_q_used; q++)
736 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
740 /*Get vnet hardware interface */
741 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
743 /*Override default max_packet_bytes and max_supported_bytes set in
744 * ethernet_register_interface() above*/
747 hi->max_packet_bytes = mtu;
748 hi->max_supported_packet_bytes = max_rx_frame;
751 if (dm->conf->no_tx_checksum_offload == 0)
752 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
753 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
755 dpdk_device_setup (xd);
757 if (vec_len (xd->errors))
758 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
759 format_dpdk_device_name, i,
760 format_dpdk_device_errors, xd);
762 if (devconf->hqos_enabled)
765 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
771 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
772 * specified otherwise in the startup config.
773 * For other NICs default to VLAN strip disabled, unless specified
774 * otherwis in the startup config.
776 if (xd->pmd == VNET_DPDK_PMD_ENIC)
778 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
779 vlan_strip = 1; /* remove vlan tag from VIC port by default */
781 dpdk_log_warn ("VLAN strip disabled for interface\n");
783 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
789 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
790 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
791 #if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0)
792 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
795 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
797 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
799 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) == 0)
800 dpdk_log_info ("VLAN strip enabled for interface\n");
802 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
806 hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
807 - sizeof (ethernet_header_t);
809 clib_warning ("hi NULL");
811 if (dm->conf->no_multi_seg)
812 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
814 rte_eth_dev_set_mtu (xd->port_id, mtu);
818 if (nb_desc > dm->conf->num_mbufs)
819 dpdk_log_err ("%d mbufs allocated but total rx/tx ring size is %d\n",
820 dm->conf->num_mbufs, nb_desc);
826 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
830 int num_whitelisted = vec_len (conf->dev_confs);
831 vlib_pci_device_info_t *d = 0;
832 vlib_pci_addr_t *addr = 0, *addrs;
834 addrs = vlib_pci_get_all_dev_addrs ();
836 vec_foreach (addr, addrs)
838 dpdk_device_config_t * devconf = 0;
839 vec_reset_length (pci_addr);
840 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
843 vlib_pci_free_device_info (d);
846 d = vlib_pci_get_device_info (addr, &error);
849 clib_error_report (error);
853 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
858 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
863 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
867 if (d->vendor_id == 0x1af4 &&
868 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
869 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
872 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
874 /* all Intel network devices */
875 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
877 /* all Intel QAT devices VFs */
878 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
879 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
882 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
885 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
887 /* Amazen Elastic Network Adapter */
888 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
890 /* Cavium Network Adapter */
891 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
893 /* Cavium FastlinQ QL41000 Series */
894 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
897 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
902 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
908 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
909 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
914 error = vlib_pci_bind_to_uio (addr, (char *) conf->uio_driver_name);
920 pool_get (conf->dev_confs, devconf);
921 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
922 devconf - conf->dev_confs);
923 devconf->pci_addr.as_u32 = addr->as_u32;
925 devconf->is_blacklisted = 1;
926 clib_error_report (error);
931 vlib_pci_free_device_info (d);
934 static clib_error_t *
935 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
936 unformat_input_t * input, u8 is_default)
938 clib_error_t *error = 0;
940 dpdk_device_config_t *devconf;
941 unformat_input_t sub_input;
945 devconf = &conf->default_devconf;
949 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
953 pool_get (conf->dev_confs, devconf);
954 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
955 devconf - conf->dev_confs);
958 return clib_error_return (0,
959 "duplicate configuration for PCI address %U",
960 format_vlib_pci_addr, &pci_addr);
963 devconf->pci_addr.as_u32 = pci_addr.as_u32;
964 devconf->hqos_enabled = 0;
965 dpdk_device_config_hqos_default (&devconf->hqos);
970 unformat_skip_white_space (input);
971 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
973 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
975 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
977 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
979 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
981 else if (unformat (input, "workers %U", unformat_bitmap_list,
986 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
988 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
992 else if (unformat (input, "vlan-strip-offload off"))
993 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
994 else if (unformat (input, "vlan-strip-offload on"))
995 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
998 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
1000 devconf->hqos_enabled = 1;
1001 error = unformat_hqos (&sub_input, &devconf->hqos);
1005 else if (unformat (input, "hqos"))
1007 devconf->hqos_enabled = 1;
1011 error = clib_error_return (0, "unknown input `%U'",
1012 format_unformat_error, input);
1020 if (devconf->workers && devconf->num_rx_queues == 0)
1021 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1022 else if (devconf->workers &&
1023 clib_bitmap_count_set_bits (devconf->workers) !=
1024 devconf->num_rx_queues)
1026 clib_error_return (0,
1027 "%U: number of worker threadds must be "
1028 "equal to number of rx queues", format_vlib_pci_addr,
1034 static clib_error_t *
1035 dpdk_log_read_ready (clib_file_t * uf)
1037 unformat_input_t input;
1044 uword len = vec_len (s);
1045 vec_resize (s, len + n_try);
1047 n = read (uf->file_descriptor, s + len, n_try);
1048 if (n < 0 && errno != EAGAIN)
1049 return clib_error_return_unix (0, "read");
1050 _vec_len (s) = len + (n < 0 ? 0 : n);
1053 unformat_init_vector (&input, s);
1055 while (unformat_user (&input, unformat_line, &line))
1057 dpdk_log_notice ("%v", line);
1061 unformat_free (&input);
1065 static clib_error_t *
1066 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1068 clib_error_t *error = 0;
1069 dpdk_config_main_t *conf = &dpdk_config_main;
1070 vlib_thread_main_t *tm = vlib_get_thread_main ();
1071 dpdk_device_config_t *devconf;
1072 vlib_pci_addr_t pci_addr;
1073 unformat_input_t sub_input;
1078 int num_whitelisted = 0;
1084 u8 *huge_dir_path = 0;
1087 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1089 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1090 log_level = RTE_LOG_NOTICE;
1092 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1094 /* Prime the pump */
1095 if (unformat (input, "no-hugetlb"))
1097 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1101 else if (unformat (input, "enable-tcp-udp-checksum"))
1102 conf->enable_tcp_udp_checksum = 1;
1104 else if (unformat (input, "no-tx-checksum-offload"))
1105 conf->no_tx_checksum_offload = 1;
1107 else if (unformat (input, "decimal-interface-names"))
1108 conf->interface_name_format_decimal = 1;
1110 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
1113 else if (unformat (input, "no-multi-seg"))
1114 conf->no_multi_seg = 1;
1116 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1120 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1128 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1129 unformat_vlib_cli_sub_input, &sub_input))
1131 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1138 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1140 error = dpdk_device_config (conf, pci_addr, 0, 0);
1147 else if (unformat (input, "num-mem-channels %d", &conf->nchannels))
1148 conf->nchannels_set_manually = 0;
1149 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1151 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1153 else if (unformat (input, "socket-mem %s", &socket_mem))
1155 else if (unformat (input, "no-pci"))
1158 tmp = format (0, "--no-pci%c", 0);
1159 vec_add1 (conf->eal_init_args, tmp);
1163 else if (unformat(input, #a)) \
1165 tmp = format (0, "--%s%c", #a, 0); \
1166 vec_add1 (conf->eal_init_args, tmp); \
1168 foreach_eal_double_hyphen_predicate_arg
1171 else if (unformat(input, #a " %s", &s)) \
1173 if (!strncmp(#a, "huge-dir", 8)) \
1175 else if (!strncmp(#a, "file-prefix", 11)) \
1177 tmp = format (0, "--%s%c", #a, 0); \
1178 vec_add1 (conf->eal_init_args, tmp); \
1180 if (!strncmp(#a, "vdev", 4)) \
1181 if (strstr((char*)s, "af_packet")) \
1182 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1183 vec_add1 (conf->eal_init_args, s); \
1185 foreach_eal_double_hyphen_arg
1188 else if (unformat(input, #a " %s", &s)) \
1190 tmp = format (0, "-%s%c", #b, 0); \
1191 vec_add1 (conf->eal_init_args, tmp); \
1193 vec_add1 (conf->eal_init_args, s); \
1195 foreach_eal_single_hyphen_arg
1198 else if (unformat(input, #a " %s", &s)) \
1200 tmp = format (0, "-%s%c", #b, 0); \
1201 vec_add1 (conf->eal_init_args, tmp); \
1203 vec_add1 (conf->eal_init_args, s); \
1204 conf->a##_set_manually = 1; \
1206 foreach_eal_single_hyphen_mandatory_arg
1208 else if (unformat (input, "default"))
1211 else if (unformat_skip_white_space (input))
1215 error = clib_error_return (0, "unknown input `%U'",
1216 format_unformat_error, input);
1221 if (!conf->uio_driver_name)
1222 conf->uio_driver_name = format (0, "auto%c", 0);
1225 * Use 1G huge pages if available.
1227 if (!no_huge && !huge_dir)
1229 u32 x, *mem_by_socket = 0;
1233 umount ((char *) huge_dir_path);
1235 /* Process "socket-mem" parameter value */
1236 if (vec_len (socket_mem))
1238 unformat_input_t in;
1239 unformat_init_vector (&in, socket_mem);
1240 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1242 if (unformat (&in, "%u,", &x))
1244 else if (unformat (&in, "%u", &x))
1246 else if (unformat (&in, ","))
1251 vec_add1 (mem_by_socket, x);
1253 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1254 unformat_free (&in);
1260 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1262 vec_validate(mem_by_socket, c);
1263 mem_by_socket[c] = 64; /* default per-socket mem */
1270 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1274 vec_validate(mem_by_socket, c);
1276 e = clib_sysfs_prealloc_hugepages(c, 2 << 10, mem_by_socket[c] / 2);
1278 clib_error_report (e);
1282 if (mem_by_socket == 0)
1284 error = clib_error_return (0, "mem_by_socket NULL");
1287 _vec_len (mem_by_socket) = c + 1;
1289 /* regenerate socket_mem string */
1290 vec_foreach_index (x, mem_by_socket)
1291 socket_mem = format (socket_mem, "%s%u",
1292 socket_mem ? "," : "", mem_by_socket[x]);
1293 socket_mem = format (socket_mem, "%c", 0);
1295 vec_free (mem_by_socket);
1297 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1303 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1307 error = clib_error_return (0, "mount failed %d", errno);
1311 tmp = format (0, "--huge-dir%c", 0);
1312 vec_add1 (conf->eal_init_args, tmp);
1313 tmp = format (0, "%s%c", huge_dir_path, 0);
1314 vec_add1 (conf->eal_init_args, tmp);
1317 tmp = format (0, "--file-prefix%c", 0);
1318 vec_add1 (conf->eal_init_args, tmp);
1319 tmp = format (0, "vpp%c", 0);
1320 vec_add1 (conf->eal_init_args, tmp);
1327 /* I'll bet that -c and -n must be the first and second args... */
1328 if (!conf->coremask_set_manually)
1330 vlib_thread_registration_t *tr;
1331 uword *coremask = 0;
1334 /* main thread core */
1335 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1337 for (i = 0; i < vec_len (tm->registrations); i++)
1339 tr = tm->registrations[i];
1340 coremask = clib_bitmap_or (coremask, tr->coremask);
1343 vec_insert (conf->eal_init_args, 2, 1);
1344 conf->eal_init_args[1] = (u8 *) "-c";
1345 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1346 conf->eal_init_args[2] = tmp;
1347 clib_bitmap_free (coremask);
1350 if (!conf->nchannels_set_manually)
1352 vec_insert (conf->eal_init_args, 2, 3);
1353 conf->eal_init_args[3] = (u8 *) "-n";
1354 tmp = format (0, "%d", conf->nchannels);
1355 conf->eal_init_args[4] = tmp;
1358 if (no_pci == 0 && geteuid () == 0)
1359 dpdk_bind_devices_to_uio (conf);
1362 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1363 devconf->x = conf->default_devconf.x ;
1366 pool_foreach (devconf, conf->dev_confs, ({
1368 /* default per-device config items */
1369 foreach_dpdk_device_config_item
1371 /* add DPDK EAL whitelist/blacklist entry */
1372 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1374 tmp = format (0, "-w%c", 0);
1375 vec_add1 (conf->eal_init_args, tmp);
1376 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1377 vec_add1 (conf->eal_init_args, tmp);
1379 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1381 tmp = format (0, "-b%c", 0);
1382 vec_add1 (conf->eal_init_args, tmp);
1383 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1384 vec_add1 (conf->eal_init_args, tmp);
1391 /* set master-lcore */
1392 tmp = format (0, "--master-lcore%c", 0);
1393 vec_add1 (conf->eal_init_args, tmp);
1394 tmp = format (0, "%u%c", tm->main_lcore, 0);
1395 vec_add1 (conf->eal_init_args, tmp);
1397 /* set socket-mem */
1400 tmp = format (0, "--socket-mem%c", 0);
1401 vec_add1 (conf->eal_init_args, tmp);
1402 tmp = format (0, "%s%c", socket_mem, 0);
1403 vec_add1 (conf->eal_init_args, tmp);
1406 /* NULL terminate the "argv" vector, in case of stupidity */
1407 vec_add1 (conf->eal_init_args, 0);
1408 _vec_len (conf->eal_init_args) -= 1;
1410 /* Set up DPDK eal and packet mbuf pool early. */
1412 rte_log_set_global_level (log_level);
1413 int log_fds[2] = { 0 };
1414 if (pipe (log_fds) == 0)
1416 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1418 FILE *f = fdopen (log_fds[1], "a");
1419 if (f && rte_openlog_stream (f) == 0)
1421 clib_file_t t = { 0 };
1422 t.read_function = dpdk_log_read_ready;
1423 t.file_descriptor = log_fds[0];
1424 t.description = format (0, "DPDK logging pipe");
1425 clib_file_add (&file_main, &t);
1435 vm = vlib_get_main ();
1437 /* make copy of args as rte_eal_init tends to mess up with arg array */
1438 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1439 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1440 conf->eal_init_args[i]);
1442 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1443 ret = rte_eal_init (vec_len (conf->eal_init_args),
1444 (char **) conf->eal_init_args);
1446 /* lazy umount hugepages */
1447 umount2 ((char *) huge_dir_path, MNT_DETACH);
1448 rmdir ((char *) huge_dir_path);
1449 vec_free (huge_dir_path);
1452 return clib_error_return (0, "rte_eal_init returned %d", ret);
1454 /* set custom ring memory allocator */
1456 struct rte_mempool_ops *ops = NULL;
1458 ops = get_ops_by_name ("ring_sp_sc");
1459 ops->alloc = dpdk_ring_alloc;
1461 ops = get_ops_by_name ("ring_mp_sc");
1462 ops->alloc = dpdk_ring_alloc;
1464 ops = get_ops_by_name ("ring_sp_mc");
1465 ops->alloc = dpdk_ring_alloc;
1467 ops = get_ops_by_name ("ring_mp_mc");
1468 ops->alloc = dpdk_ring_alloc;
1471 /* main thread 1st */
1472 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1476 for (i = 0; i < RTE_MAX_LCORE; i++)
1478 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1479 rte_lcore_to_socket_id (i));
1488 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1491 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1493 vnet_main_t *vnm = vnet_get_main ();
1494 struct rte_eth_link prev_link = xd->link;
1496 u8 hw_flags_chg = 0;
1498 /* only update link state for PMD interfaces */
1499 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1502 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1503 memset (&xd->link, 0, sizeof (xd->link));
1504 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1506 if (LINK_STATE_ELOGS)
1508 vlib_main_t *vm = vlib_get_main ();
1509 ELOG_TYPE_DECLARE (e) =
1512 "update-link-state: sw_if_index %d, admin_up %d,"
1513 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1522 ed = ELOG_DATA (&vm->elog_main, e);
1523 ed->sw_if_index = xd->sw_if_index;
1524 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1525 ed->old_link_state = (u8)
1526 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1527 ed->new_link_state = (u8) xd->link.link_status;
1530 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1531 && ((xd->link.link_status != 0) ^
1532 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1535 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1538 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1541 switch (xd->link.link_duplex)
1543 case ETH_LINK_HALF_DUPLEX:
1544 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1546 case ETH_LINK_FULL_DUPLEX:
1547 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1553 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1556 switch (xd->link.link_speed)
1558 case ETH_SPEED_NUM_10M:
1559 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1561 case ETH_SPEED_NUM_100M:
1562 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1564 case ETH_SPEED_NUM_1G:
1565 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1567 case ETH_SPEED_NUM_2_5G:
1568 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_2_5G;
1570 case ETH_SPEED_NUM_5G:
1571 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_5G;
1573 case ETH_SPEED_NUM_10G:
1574 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1576 case ETH_SPEED_NUM_20G:
1577 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_20G;
1579 case ETH_SPEED_NUM_25G:
1580 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_25G;
1582 case ETH_SPEED_NUM_40G:
1583 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1585 case ETH_SPEED_NUM_50G:
1586 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_50G;
1588 case ETH_SPEED_NUM_56G:
1589 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_56G;
1591 case ETH_SPEED_NUM_100G:
1592 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100G;
1597 dpdk_log_warn ("unknown link speed %d", xd->link.link_speed);
1603 if (LINK_STATE_ELOGS)
1605 vlib_main_t *vm = vlib_get_main ();
1607 ELOG_TYPE_DECLARE (e) =
1610 "update-link-state: sw_if_index %d, new flags %d",.format_args
1618 ed = ELOG_DATA (&vm->elog_main, e);
1619 ed->sw_if_index = xd->sw_if_index;
1620 ed->flags = hw_flags;
1622 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1627 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1629 clib_error_t *error;
1630 vnet_main_t *vnm = vnet_get_main ();
1631 dpdk_main_t *dm = &dpdk_main;
1632 ethernet_main_t *em = ðernet_main;
1634 vlib_thread_main_t *tm = vlib_get_thread_main ();
1638 error = dpdk_lib_init (dm);
1641 clib_error_report (error);
1643 tm->worker_thread_release = 1;
1645 f64 now = vlib_time_now (vm);
1646 vec_foreach (xd, dm->devices)
1648 dpdk_update_link_state (xd, now);
1653 * Extra set up for bond interfaces:
1654 * 1. Setup MACs for bond interfaces and their slave links which was set
1655 * in dpdk_device_setup() but needs to be done again here to take
1657 * 2. Set up info and register slave link state change callback handling.
1658 * 3. Set up info for bond interface related CLI support.
1660 int nports = rte_eth_dev_count_avail ();
1664 RTE_ETH_FOREACH_DEV(i)
1667 for (j = 0; j < nports; j++)
1669 if (dm->devices[j].port_id == i)
1671 xd = &dm->devices[j];
1674 if (xd != NULL && xd->pmd == VNET_DPDK_PMD_BOND)
1677 dpdk_portid_t slink[16];
1678 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1681 vnet_hw_interface_t *bhi;
1682 ethernet_interface_t *bei;
1685 /* Get MAC of 1st slave link */
1687 (slink[0], (struct ether_addr *) addr);
1689 /* Set MAC of bounded interface to that of 1st slave link */
1690 dpdk_log_info ("Set MAC for bond port %d BondEthernet%d",
1691 i, xd->bond_instance_num);
1692 rv = rte_eth_bond_mac_address_set
1693 (i, (struct ether_addr *) addr);
1695 dpdk_log_warn ("Set MAC addr failure rv=%d", rv);
1697 /* Populate MAC of bonded interface in VPP hw tables */
1698 bhi = vnet_get_hw_interface
1699 (vnm, dm->devices[i].hw_if_index);
1700 bei = pool_elt_at_index
1701 (em->interfaces, bhi->hw_instance);
1702 clib_memcpy (bhi->hw_address, addr, 6);
1703 clib_memcpy (bei->address, addr, 6);
1705 /* Init l3 packet size allowed on bonded interface */
1706 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1708 { /* for all slave links */
1709 int slave = slink[--nlink];
1710 dpdk_device_t *sdev = &dm->devices[slave];
1711 vnet_hw_interface_t *shi;
1712 vnet_sw_interface_t *ssi;
1713 ethernet_interface_t *sei;
1714 /* Add MAC to all slave links except the first one */
1717 dpdk_log_info ("Add MAC for slave port %d",
1719 rv = rte_eth_dev_mac_addr_add
1720 (slave, (struct ether_addr *) addr, 0);
1722 dpdk_log_warn ("Add MAC addr failure rv=%d",
1725 /* Setup slave link state change callback handling */
1726 rte_eth_dev_callback_register
1727 (slave, RTE_ETH_EVENT_INTR_LSC,
1728 dpdk_port_state_callback, NULL);
1729 dpdk_device_t *sxd = &dm->devices[slave];
1730 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1732 /* Set slaves bitmap for bonded interface */
1733 bhi->bond_info = clib_bitmap_set
1734 (bhi->bond_info, sdev->hw_if_index, 1);
1735 /* Set MACs and slave link flags on slave interface */
1736 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1737 ssi = vnet_get_sw_interface (vnm, sdev->sw_if_index);
1738 sei = pool_elt_at_index
1739 (em->interfaces, shi->hw_instance);
1740 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1741 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1742 clib_memcpy (shi->hw_address, addr, 6);
1743 clib_memcpy (sei->address, addr, 6);
1744 /* Set l3 packet size allowed as the lowest of slave */
1745 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1746 bhi->max_packet_bytes = shi->max_packet_bytes;
1758 * check each time through the loop in case intervals are changed
1760 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1761 dm->link_state_poll_interval : dm->stat_poll_interval;
1763 vlib_process_wait_for_event_or_clock (vm, min_wait);
1765 if (dm->admin_up_down_in_progress)
1766 /* skip the poll if an admin up down is in progress (on any interface) */
1769 vec_foreach (xd, dm->devices)
1771 f64 now = vlib_time_now (vm);
1772 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1773 dpdk_update_counters (xd, now);
1774 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1775 dpdk_update_link_state (xd, now);
1784 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1785 .function = dpdk_process,
1786 .type = VLIB_NODE_TYPE_PROCESS,
1787 .name = "dpdk-process",
1788 .process_log2_n_stack_bytes = 17,
1792 static clib_error_t *
1793 dpdk_init (vlib_main_t * vm)
1795 dpdk_main_t *dm = &dpdk_main;
1796 clib_error_t *error = 0;
1798 /* verify that structs are cacheline aligned */
1799 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1800 "Cache line marker must be 1st element in dpdk_device_t");
1801 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1802 CLIB_CACHE_LINE_BYTES,
1803 "Data in cache line 0 is bigger than cache line size");
1804 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1805 "Cache line marker must be 1st element in frame_queue_trace_t");
1806 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1807 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1810 dm->vnet_main = vnet_get_main ();
1811 dm->conf = &dpdk_config_main;
1813 dm->conf->nchannels = 4;
1814 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1815 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1817 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1818 dm->buffer_flags_template =
1819 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1820 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1821 VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
1823 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1824 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1827 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1830 dm->log_default = vlib_log_register_class ("dpdk", 0);
1835 VLIB_INIT_FUNCTION (dpdk_init);
1839 * fd.io coding-style-patch-verification: ON
1842 * eval: (c-set-style "gnu")