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 = {
52 .header_split = 0, /**< Header Split disabled */
53 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
54 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
55 .hw_strip_crc = 0, /**< CRC stripped by hardware */
58 .mq_mode = ETH_MQ_TX_NONE,
62 static dpdk_port_type_t
63 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
66 if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
67 return VNET_DPDK_PORT_TYPE_ETH_100G;
68 else if (dev_info->speed_capa & ETH_LINK_SPEED_56G)
69 return VNET_DPDK_PORT_TYPE_ETH_56G;
70 else if (dev_info->speed_capa & ETH_LINK_SPEED_50G)
71 return VNET_DPDK_PORT_TYPE_ETH_50G;
72 else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
73 return VNET_DPDK_PORT_TYPE_ETH_40G;
74 else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
75 return VNET_DPDK_PORT_TYPE_ETH_25G;
76 else if (dev_info->speed_capa & ETH_LINK_SPEED_20G)
77 return VNET_DPDK_PORT_TYPE_ETH_20G;
78 else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
79 return VNET_DPDK_PORT_TYPE_ETH_10G;
80 else if (dev_info->speed_capa & ETH_LINK_SPEED_5G)
81 return VNET_DPDK_PORT_TYPE_ETH_5G;
82 else if (dev_info->speed_capa & ETH_LINK_SPEED_2_5G)
83 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
84 else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
85 return VNET_DPDK_PORT_TYPE_ETH_1G;
87 return VNET_DPDK_PORT_TYPE_UNKNOWN;
92 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
94 dpdk_main_t *dm = &dpdk_main;
95 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
98 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
100 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
102 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
103 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
105 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
107 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
109 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
110 rte_eth_promiscuous_enable (xd->port_id);
112 rte_eth_promiscuous_disable (xd->port_id);
115 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
117 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
118 dpdk_device_setup (xd);
124 dpdk_device_lock_init (dpdk_device_t * xd)
127 vec_validate (xd->lockp, xd->tx_q_used - 1);
128 for (q = 0; q < xd->tx_q_used; q++)
130 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
131 CLIB_CACHE_LINE_BYTES);
132 memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
136 static struct rte_mempool_ops *
137 get_ops_by_name (char *ops_name)
141 for (i = 0; i < rte_mempool_ops_table.num_ops; i++)
143 if (!strcmp (ops_name, rte_mempool_ops_table.ops[i].name))
144 return &rte_mempool_ops_table.ops[i];
151 dpdk_ring_alloc (struct rte_mempool *mp)
153 u32 rg_flags = 0, count;
155 char rg_name[RTE_RING_NAMESIZE];
158 ret = snprintf (rg_name, sizeof (rg_name), RTE_MEMPOOL_MZ_FORMAT, mp->name);
159 if (ret < 0 || ret >= (i32) sizeof (rg_name))
160 return -ENAMETOOLONG;
163 if (mp->flags & MEMPOOL_F_SP_PUT)
164 rg_flags |= RING_F_SP_ENQ;
165 if (mp->flags & MEMPOOL_F_SC_GET)
166 rg_flags |= RING_F_SC_DEQ;
168 count = rte_align32pow2 (mp->size + 1);
170 * Allocate the ring that will be used to store objects.
171 * Ring functions will return appropriate errors if we are
172 * running as a secondary process etc., so no checks made
173 * in this function for that condition.
175 /* XXX can we get memory from the right socket? */
176 r = clib_mem_alloc_aligned (rte_ring_get_memsize (count),
177 CLIB_CACHE_LINE_BYTES);
179 /* XXX rte_ring_lookup will not work */
181 ret = rte_ring_init (r, rg_name, count, rg_flags);
190 static clib_error_t *
191 dpdk_lib_init (dpdk_main_t * dm)
194 u32 mtu, max_rx_frame;
198 vlib_main_t *vm = vlib_get_main ();
199 vlib_thread_main_t *tm = vlib_get_thread_main ();
200 vnet_device_main_t *vdm = &vnet_device_main;
201 vnet_sw_interface_t *sw;
202 vnet_hw_interface_t *hi;
204 vlib_pci_addr_t last_pci_addr;
205 u32 last_pci_addr_port = 0;
206 vlib_thread_registration_t *tr_hqos;
209 u32 next_hqos_cpu = 0;
210 u8 af_packet_instance_num = 0;
211 u8 bond_ether_instance_num = 0;
212 last_pci_addr.as_u32 = ~0;
214 dm->hqos_cpu_first_index = 0;
215 dm->hqos_cpu_count = 0;
217 /* find out which cpus will be used for I/O TX */
218 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
219 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
221 if (tr_hqos && tr_hqos->count > 0)
223 dm->hqos_cpu_first_index = tr_hqos->first_index;
224 dm->hqos_cpu_count = tr_hqos->count;
227 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
228 CLIB_CACHE_LINE_BYTES);
230 #if RTE_VERSION < RTE_VERSION_NUM(18, 5, 0, 0)
231 nports = rte_eth_dev_count ();
233 nports = rte_eth_dev_count_avail ();
238 dpdk_log_notice ("DPDK drivers found no ports...");
242 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
244 if (dm->conf->enable_tcp_udp_checksum)
245 dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
246 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
248 /* vlib_buffer_t template */
249 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
250 CLIB_CACHE_LINE_BYTES);
251 for (i = 0; i < tm->n_vlib_mains; i++)
253 vlib_buffer_free_list_t *fl;
254 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
255 fl = vlib_buffer_get_free_list (vm,
256 VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
257 vlib_buffer_init_for_free_list (&ptd->buffer_template, fl);
258 ptd->buffer_template.flags = dm->buffer_flags_template;
259 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
263 RTE_ETH_FOREACH_DEV(i)
267 struct rte_eth_dev_info dev_info;
268 struct rte_pci_device *pci_dev;
269 struct rte_eth_link l;
270 dpdk_device_config_t *devconf = 0;
271 vlib_pci_addr_t pci_addr;
274 if (!rte_eth_dev_is_valid_port(i))
277 rte_eth_link_get_nowait (i, &l);
278 rte_eth_dev_info_get (i, &dev_info);
280 #if RTE_VERSION < RTE_VERSION_NUM(18, 5, 0, 0)
281 pci_dev = dev_info.pci_dev;
283 if (dev_info.device == 0)
285 clib_warning ("DPDK bug: missing device info. Skipping %s device",
286 dev_info.driver_name);
289 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 rte_eth_dev_info_get (i + 1, &di);
319 if (pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
320 memcmp (&pci_dev->addr, &pci_dev->addr,
321 sizeof (struct rte_pci_addr)) == 0)
323 xd->interface_name_suffix = format (0, "0");
324 last_pci_addr.as_u32 = pci_addr.as_u32;
325 last_pci_addr_port = i;
327 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
329 xd->interface_name_suffix =
330 format (0, "%u", i - last_pci_addr_port);
334 last_pci_addr.as_u32 = ~0;
338 last_pci_addr.as_u32 = ~0;
340 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
341 sizeof (struct rte_eth_txconf));
343 if (dm->conf->no_multi_seg)
345 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
346 port_conf_template.rxmode.jumbo_frame = 0;
347 port_conf_template.rxmode.enable_scatter = 0;
351 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
352 port_conf_template.rxmode.jumbo_frame = 1;
353 port_conf_template.rxmode.enable_scatter = 1;
354 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
357 clib_memcpy (&xd->port_conf, &port_conf_template,
358 sizeof (struct rte_eth_conf));
360 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
362 if (devconf->num_tx_queues > 0
363 && devconf->num_tx_queues < xd->tx_q_used)
364 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
366 if (devconf->num_rx_queues > 1
367 && dev_info.max_rx_queues >= devconf->num_rx_queues)
369 xd->rx_q_used = devconf->num_rx_queues;
370 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
371 if (devconf->rss_fn == 0)
372 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
373 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
375 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
380 xd->flags |= DPDK_DEVICE_FLAG_PMD;
382 /* workaround for drivers not setting driver_name */
383 if ((!dev_info.driver_name) && (pci_dev))
384 dev_info.driver_name = pci_dev->driver->driver.name;
386 ASSERT (dev_info.driver_name);
392 #define _(s,f) else if (dev_info.driver_name && \
393 !strcmp(dev_info.driver_name, s)) \
394 xd->pmd = VNET_DPDK_PMD_##f;
400 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
402 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
403 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
404 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
408 /* Drivers with valid speed_capa set */
409 case VNET_DPDK_PMD_E1000EM:
410 case VNET_DPDK_PMD_IGB:
411 case VNET_DPDK_PMD_IXGBE:
412 case VNET_DPDK_PMD_I40E:
413 xd->port_type = port_type_from_speed_capa (&dev_info);
414 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
415 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
416 VNET_FLOW_ACTION_BUFFER_ADVANCE |
417 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
419 if (dm->conf->no_tx_checksum_offload == 0)
421 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOXSUMS;
423 DPDK_DEVICE_FLAG_TX_OFFLOAD |
424 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
429 case VNET_DPDK_PMD_CXGBE:
430 case VNET_DPDK_PMD_MLX4:
431 case VNET_DPDK_PMD_MLX5:
432 xd->port_type = port_type_from_speed_capa (&dev_info);
436 case VNET_DPDK_PMD_IGBVF:
437 case VNET_DPDK_PMD_IXGBEVF:
438 case VNET_DPDK_PMD_I40EVF:
439 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
440 xd->port_conf.rxmode.hw_strip_crc = 1;
443 case VNET_DPDK_PMD_THUNDERX:
444 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
445 xd->port_conf.rxmode.hw_strip_crc = 1;
448 case VNET_DPDK_PMD_ENA:
449 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
450 xd->port_conf.rxmode.enable_scatter = 0;
453 case VNET_DPDK_PMD_DPAA2:
454 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
458 case VNET_DPDK_PMD_ENIC:
459 if (l.link_speed == 40000)
460 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
462 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
465 /* Intel Red Rock Canyon */
466 case VNET_DPDK_PMD_FM10K:
467 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
468 xd->port_conf.rxmode.hw_strip_crc = 1;
472 case VNET_DPDK_PMD_VIRTIO:
473 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
474 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
475 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
479 case VNET_DPDK_PMD_VMXNET3:
480 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
481 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
484 case VNET_DPDK_PMD_AF_PACKET:
485 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
486 xd->af_packet_instance_num = af_packet_instance_num++;
489 case VNET_DPDK_PMD_BOND:
490 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
491 xd->bond_instance_num = bond_ether_instance_num++;
494 case VNET_DPDK_PMD_VIRTIO_USER:
495 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
498 case VNET_DPDK_PMD_VHOST_ETHER:
499 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
502 case VNET_DPDK_PMD_LIOVF_ETHER:
503 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
506 case VNET_DPDK_PMD_FAILSAFE:
507 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
508 xd->port_conf.intr_conf.lsc = 1;
512 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
515 if (devconf->num_rx_desc)
516 xd->nb_rx_desc = devconf->num_rx_desc;
518 if (devconf->num_tx_desc)
519 xd->nb_tx_desc = devconf->num_tx_desc;
522 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
524 f64 now = vlib_time_now (vm);
526 rnd = (u32) (now * 1e6);
527 rnd = random_u32 (&rnd);
528 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
533 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
535 if (xd->tx_q_used < tm->n_vlib_mains)
536 dpdk_device_lock_init (xd);
539 xd->device_index = xd - dm->devices;
540 xd->per_interface_next_index = ~0;
542 /* assign interface to input thread */
545 if (devconf->hqos_enabled)
547 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
550 if (devconf->hqos.hqos_thread_valid)
552 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
553 return clib_error_return (0, "invalid HQoS thread index");
555 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
559 if (dm->hqos_cpu_count == 0)
560 return clib_error_return (0, "no HQoS threads available");
562 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
565 if (next_hqos_cpu == dm->hqos_cpu_count)
568 devconf->hqos.hqos_thread_valid = 1;
569 devconf->hqos.hqos_thread = cpu;
572 dpdk_device_and_queue_t *dq;
573 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
574 dq->device = xd->device_index;
578 /* count the number of descriptors used for this device */
579 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
581 error = ethernet_register_interface
582 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
583 /* ethernet address */ addr,
584 &xd->hw_if_index, dpdk_flag_change);
589 * Ensure default mtu is not > the mtu read from the hardware.
590 * Otherwise rte_eth_dev_configure() will fail and the port will
592 * Calculate max_frame_size and mtu supported by NIC
594 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
597 * This device does not support the platforms's max frame
598 * size. Use it's advertised mru instead.
600 max_rx_frame = dev_info.max_rx_pktlen;
601 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
605 /* VPP treats MTU and max_rx_pktlen both equal to
606 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
607 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
609 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
610 sizeof (ethernet_header_t)))
612 mtu = ETHERNET_MAX_PACKET_BYTES;
613 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
616 * Some platforms do not account for Ethernet FCS (4 bytes) in
617 * MTU calculations. To interop with them increase mru but only
618 * if the device's settings can support it.
620 if (xd->port_conf.rxmode.hw_strip_crc &&
621 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
622 sizeof (ethernet_header_t) +
630 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
631 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
633 if (xd->port_conf.rxmode.hw_strip_crc &&
634 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
641 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
643 /* failsafe device numerables are reported with active device only,
644 * need to query the mtu for current device setup to overwrite
648 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
651 max_rx_frame = mtu + sizeof (ethernet_header_t);
653 if (xd->port_conf.rxmode.hw_strip_crc)
660 /*Set port rxmode config */
661 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
663 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
664 xd->sw_if_index = sw->sw_if_index;
665 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
666 dpdk_input_node.index);
668 if (devconf->workers)
672 clib_bitmap_foreach (i, devconf->workers, ({
673 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
674 vdm->first_worker_thread_index + i);
678 for (q = 0; q < xd->rx_q_used; q++)
680 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
684 /*Get vnet hardware interface */
685 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
687 /*Override default max_packet_bytes and max_supported_bytes set in
688 * ethernet_register_interface() above*/
691 hi->max_packet_bytes = mtu;
692 hi->max_supported_packet_bytes = max_rx_frame;
695 if (dm->conf->no_tx_checksum_offload == 0)
696 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD)
697 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
699 dpdk_device_setup (xd);
701 if (vec_len (xd->errors))
702 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
703 format_dpdk_device_name, i,
704 format_dpdk_device_errors, xd);
706 if (devconf->hqos_enabled)
709 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
715 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
716 * specified otherwise in the startup config.
717 * For other NICs default to VLAN strip disabled, unless specified
718 * otherwis in the startup config.
720 if (xd->pmd == VNET_DPDK_PMD_ENIC)
722 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
723 vlan_strip = 1; /* remove vlan tag from VIC port by default */
725 dpdk_log_warn ("VLAN strip disabled for interface\n");
727 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
733 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
734 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
735 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
736 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) == 0)
737 dpdk_log_info ("VLAN strip enabled for interface\n");
739 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
743 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
744 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
746 clib_warning ("hi NULL");
748 if (dm->conf->no_multi_seg)
749 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
751 rte_eth_dev_set_mtu (xd->port_id, mtu);
755 if (nb_desc > dm->conf->num_mbufs)
756 dpdk_log_err ("%d mbufs allocated but total rx/tx ring size is %d\n",
757 dm->conf->num_mbufs, nb_desc);
763 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
767 int num_whitelisted = vec_len (conf->dev_confs);
768 vlib_pci_device_info_t *d = 0;
769 vlib_pci_addr_t *addr = 0, *addrs;
771 addrs = vlib_pci_get_all_dev_addrs ();
773 vec_foreach (addr, addrs)
775 dpdk_device_config_t * devconf = 0;
776 vec_reset_length (pci_addr);
777 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
780 vlib_pci_free_device_info (d);
783 d = vlib_pci_get_device_info (addr, &error);
786 clib_error_report (error);
790 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
795 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
800 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
804 if (d->vendor_id == 0x1af4 &&
805 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
806 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
809 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
811 /* all Intel network devices */
812 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
814 /* all Intel QAT devices VFs */
815 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
816 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
819 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
822 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
824 /* Amazen Elastic Network Adapter */
825 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
827 /* Cavium Network Adapter */
828 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
831 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
837 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
838 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
843 error = vlib_pci_bind_to_uio (addr, (char *) conf->uio_driver_name);
849 pool_get (conf->dev_confs, devconf);
850 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
851 devconf - conf->dev_confs);
852 devconf->pci_addr.as_u32 = addr->as_u32;
854 devconf->is_blacklisted = 1;
855 clib_error_report (error);
860 vlib_pci_free_device_info (d);
863 static clib_error_t *
864 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
865 unformat_input_t * input, u8 is_default)
867 clib_error_t *error = 0;
869 dpdk_device_config_t *devconf;
870 unformat_input_t sub_input;
874 devconf = &conf->default_devconf;
878 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
882 pool_get (conf->dev_confs, devconf);
883 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
884 devconf - conf->dev_confs);
887 return clib_error_return (0,
888 "duplicate configuration for PCI address %U",
889 format_vlib_pci_addr, &pci_addr);
892 devconf->pci_addr.as_u32 = pci_addr.as_u32;
893 devconf->hqos_enabled = 0;
894 dpdk_device_config_hqos_default (&devconf->hqos);
899 unformat_skip_white_space (input);
900 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
902 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
904 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
906 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
908 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
910 else if (unformat (input, "workers %U", unformat_bitmap_list,
915 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
917 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
921 else if (unformat (input, "vlan-strip-offload off"))
922 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
923 else if (unformat (input, "vlan-strip-offload on"))
924 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
927 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
929 devconf->hqos_enabled = 1;
930 error = unformat_hqos (&sub_input, &devconf->hqos);
934 else if (unformat (input, "hqos"))
936 devconf->hqos_enabled = 1;
940 error = clib_error_return (0, "unknown input `%U'",
941 format_unformat_error, input);
949 if (devconf->workers && devconf->num_rx_queues == 0)
950 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
951 else if (devconf->workers &&
952 clib_bitmap_count_set_bits (devconf->workers) !=
953 devconf->num_rx_queues)
955 clib_error_return (0,
956 "%U: number of worker threadds must be "
957 "equal to number of rx queues", format_vlib_pci_addr,
963 static clib_error_t *
964 dpdk_log_read_ready (clib_file_t * uf)
966 unformat_input_t input;
973 uword len = vec_len (s);
974 vec_resize (s, len + n_try);
976 n = read (uf->file_descriptor, s + len, n_try);
977 if (n < 0 && errno != EAGAIN)
978 return clib_error_return_unix (0, "read");
979 _vec_len (s) = len + (n < 0 ? 0 : n);
982 unformat_init_vector (&input, s);
984 while (unformat_user (&input, unformat_line, &line))
986 dpdk_log_notice ("%v", line);
990 unformat_free (&input);
994 static clib_error_t *
995 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
997 clib_error_t *error = 0;
998 dpdk_main_t *dm = &dpdk_main;
999 dpdk_config_main_t *conf = &dpdk_config_main;
1000 vlib_thread_main_t *tm = vlib_get_thread_main ();
1001 dpdk_device_config_t *devconf;
1002 vlib_pci_addr_t pci_addr;
1003 unformat_input_t sub_input;
1006 u8 *rte_cmd = 0, *ethname = 0;
1009 int num_whitelisted = 0;
1015 u8 *huge_dir_path = 0;
1018 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1020 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1021 log_level = RTE_LOG_NOTICE;
1023 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1025 /* Prime the pump */
1026 if (unformat (input, "no-hugetlb"))
1028 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
1032 else if (unformat (input, "enable-tcp-udp-checksum"))
1033 conf->enable_tcp_udp_checksum = 1;
1035 else if (unformat (input, "no-tx-checksum-offload"))
1036 conf->no_tx_checksum_offload = 1;
1038 else if (unformat (input, "decimal-interface-names"))
1039 conf->interface_name_format_decimal = 1;
1041 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
1044 else if (unformat (input, "no-multi-seg"))
1045 conf->no_multi_seg = 1;
1047 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1051 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1059 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1060 unformat_vlib_cli_sub_input, &sub_input))
1062 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1069 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1071 error = dpdk_device_config (conf, pci_addr, 0, 0);
1078 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1080 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1082 else if (unformat (input, "socket-mem %s", &socket_mem))
1084 else if (unformat (input, "no-pci"))
1087 tmp = format (0, "--no-pci%c", 0);
1088 vec_add1 (conf->eal_init_args, tmp);
1090 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep_usec))
1094 else if (unformat(input, #a)) \
1096 tmp = format (0, "--%s%c", #a, 0); \
1097 vec_add1 (conf->eal_init_args, tmp); \
1099 foreach_eal_double_hyphen_predicate_arg
1102 else if (unformat(input, #a " %s", &s)) \
1104 if (!strncmp(#a, "huge-dir", 8)) \
1106 else if (!strncmp(#a, "file-prefix", 11)) \
1108 tmp = format (0, "--%s%c", #a, 0); \
1109 vec_add1 (conf->eal_init_args, tmp); \
1111 if (!strncmp(#a, "vdev", 4)) \
1112 if (strstr((char*)s, "af_packet")) \
1113 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1114 vec_add1 (conf->eal_init_args, s); \
1116 foreach_eal_double_hyphen_arg
1119 else if (unformat(input, #a " %s", &s)) \
1121 tmp = format (0, "-%s%c", #b, 0); \
1122 vec_add1 (conf->eal_init_args, tmp); \
1124 vec_add1 (conf->eal_init_args, s); \
1126 foreach_eal_single_hyphen_arg
1129 else if (unformat(input, #a " %s", &s)) \
1131 tmp = format (0, "-%s%c", #b, 0); \
1132 vec_add1 (conf->eal_init_args, tmp); \
1134 vec_add1 (conf->eal_init_args, s); \
1135 conf->a##_set_manually = 1; \
1137 foreach_eal_single_hyphen_mandatory_arg
1139 else if (unformat (input, "default"))
1142 else if (unformat_skip_white_space (input))
1146 error = clib_error_return (0, "unknown input `%U'",
1147 format_unformat_error, input);
1152 if (!conf->uio_driver_name)
1153 conf->uio_driver_name = format (0, "auto%c", 0);
1156 * Use 1G huge pages if available.
1158 if (!no_huge && !huge_dir)
1160 u32 x, *mem_by_socket = 0;
1164 umount ((char *) huge_dir_path);
1166 /* Process "socket-mem" parameter value */
1167 if (vec_len (socket_mem))
1169 unformat_input_t in;
1170 unformat_init_vector (&in, socket_mem);
1171 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1173 if (unformat (&in, "%u,", &x))
1175 else if (unformat (&in, "%u", &x))
1177 else if (unformat (&in, ","))
1182 vec_add1 (mem_by_socket, x);
1184 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1185 unformat_free (&in);
1191 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1193 vec_validate(mem_by_socket, c);
1194 mem_by_socket[c] = 64; /* default per-socket mem */
1201 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1205 vec_validate(mem_by_socket, c);
1207 e = clib_sysfs_prealloc_hugepages(c, 2 << 10, mem_by_socket[c] / 2);
1209 clib_error_report (e);
1213 if (mem_by_socket == 0)
1215 error = clib_error_return (0, "mem_by_socket NULL");
1218 _vec_len (mem_by_socket) = c + 1;
1220 /* regenerate socket_mem string */
1221 vec_foreach_index (x, mem_by_socket)
1222 socket_mem = format (socket_mem, "%s%u",
1223 socket_mem ? "," : "", mem_by_socket[x]);
1224 socket_mem = format (socket_mem, "%c", 0);
1226 vec_free (mem_by_socket);
1228 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1234 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1238 error = clib_error_return (0, "mount failed %d", errno);
1242 tmp = format (0, "--huge-dir%c", 0);
1243 vec_add1 (conf->eal_init_args, tmp);
1244 tmp = format (0, "%s%c", huge_dir_path, 0);
1245 vec_add1 (conf->eal_init_args, tmp);
1248 tmp = format (0, "--file-prefix%c", 0);
1249 vec_add1 (conf->eal_init_args, tmp);
1250 tmp = format (0, "vpp%c", 0);
1251 vec_add1 (conf->eal_init_args, tmp);
1261 /* I'll bet that -c and -n must be the first and second args... */
1262 if (!conf->coremask_set_manually)
1264 vlib_thread_registration_t *tr;
1265 uword *coremask = 0;
1268 /* main thread core */
1269 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1271 for (i = 0; i < vec_len (tm->registrations); i++)
1273 tr = tm->registrations[i];
1274 coremask = clib_bitmap_or (coremask, tr->coremask);
1277 vec_insert (conf->eal_init_args, 2, 1);
1278 conf->eal_init_args[1] = (u8 *) "-c";
1279 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1280 conf->eal_init_args[2] = tmp;
1281 clib_bitmap_free (coremask);
1284 if (!conf->nchannels_set_manually)
1286 vec_insert (conf->eal_init_args, 2, 3);
1287 conf->eal_init_args[3] = (u8 *) "-n";
1288 tmp = format (0, "%d", conf->nchannels);
1289 conf->eal_init_args[4] = tmp;
1292 if (no_pci == 0 && geteuid () == 0)
1293 dpdk_bind_devices_to_uio (conf);
1296 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1297 devconf->x = conf->default_devconf.x ;
1300 pool_foreach (devconf, conf->dev_confs, ({
1302 /* default per-device config items */
1303 foreach_dpdk_device_config_item
1305 /* add DPDK EAL whitelist/blacklist entry */
1306 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1308 tmp = format (0, "-w%c", 0);
1309 vec_add1 (conf->eal_init_args, tmp);
1310 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1311 vec_add1 (conf->eal_init_args, tmp);
1313 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1315 tmp = format (0, "-b%c", 0);
1316 vec_add1 (conf->eal_init_args, tmp);
1317 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1318 vec_add1 (conf->eal_init_args, tmp);
1325 /* set master-lcore */
1326 tmp = format (0, "--master-lcore%c", 0);
1327 vec_add1 (conf->eal_init_args, tmp);
1328 tmp = format (0, "%u%c", tm->main_lcore, 0);
1329 vec_add1 (conf->eal_init_args, tmp);
1331 /* set socket-mem */
1332 tmp = format (0, "--socket-mem%c", 0);
1333 vec_add1 (conf->eal_init_args, tmp);
1334 tmp = format (0, "%s%c", socket_mem, 0);
1335 vec_add1 (conf->eal_init_args, tmp);
1337 /* NULL terminate the "argv" vector, in case of stupidity */
1338 vec_add1 (conf->eal_init_args, 0);
1339 _vec_len (conf->eal_init_args) -= 1;
1341 /* Set up DPDK eal and packet mbuf pool early. */
1343 rte_log_set_global_level (log_level);
1344 int log_fds[2] = { 0 };
1345 if (pipe (log_fds) == 0)
1347 FILE *f = fdopen (log_fds[1], "a");
1348 if (f && rte_openlog_stream (f) == 0)
1350 clib_file_t t = { 0 };
1351 t.read_function = dpdk_log_read_ready;
1352 t.file_descriptor = log_fds[0];
1353 t.description = format (0, "DPDK logging pipe");
1354 clib_file_add (&file_main, &t);
1358 vm = vlib_get_main ();
1360 /* make copy of args as rte_eal_init tends to mess up with arg array */
1361 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1362 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1363 conf->eal_init_args[i]);
1365 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1366 ret = rte_eal_init (vec_len (conf->eal_init_args),
1367 (char **) conf->eal_init_args);
1369 /* lazy umount hugepages */
1370 umount2 ((char *) huge_dir_path, MNT_DETACH);
1371 rmdir ((char *) huge_dir_path);
1372 vec_free (huge_dir_path);
1375 return clib_error_return (0, "rte_eal_init returned %d", ret);
1377 /* set custom ring memory allocator */
1379 struct rte_mempool_ops *ops = NULL;
1381 ops = get_ops_by_name ("ring_sp_sc");
1382 ops->alloc = dpdk_ring_alloc;
1384 ops = get_ops_by_name ("ring_mp_sc");
1385 ops->alloc = dpdk_ring_alloc;
1387 ops = get_ops_by_name ("ring_sp_mc");
1388 ops->alloc = dpdk_ring_alloc;
1390 ops = get_ops_by_name ("ring_mp_mc");
1391 ops->alloc = dpdk_ring_alloc;
1394 /* main thread 1st */
1395 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1399 for (i = 0; i < RTE_MAX_LCORE; i++)
1401 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1402 rte_lcore_to_socket_id (i));
1411 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1414 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1416 vnet_main_t *vnm = vnet_get_main ();
1417 struct rte_eth_link prev_link = xd->link;
1419 u8 hw_flags_chg = 0;
1421 /* only update link state for PMD interfaces */
1422 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1425 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1426 memset (&xd->link, 0, sizeof (xd->link));
1427 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1429 if (LINK_STATE_ELOGS)
1431 vlib_main_t *vm = vlib_get_main ();
1432 ELOG_TYPE_DECLARE (e) =
1435 "update-link-state: sw_if_index %d, admin_up %d,"
1436 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1445 ed = ELOG_DATA (&vm->elog_main, e);
1446 ed->sw_if_index = xd->sw_if_index;
1447 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1448 ed->old_link_state = (u8)
1449 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1450 ed->new_link_state = (u8) xd->link.link_status;
1453 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1454 && ((xd->link.link_status != 0) ^
1455 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1458 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1461 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1464 switch (xd->link.link_duplex)
1466 case ETH_LINK_HALF_DUPLEX:
1467 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1469 case ETH_LINK_FULL_DUPLEX:
1470 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1476 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1479 switch (xd->link.link_speed)
1481 case ETH_SPEED_NUM_10M:
1482 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1484 case ETH_SPEED_NUM_100M:
1485 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1487 case ETH_SPEED_NUM_1G:
1488 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1490 case ETH_SPEED_NUM_2_5G:
1491 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_2_5G;
1493 case ETH_SPEED_NUM_5G:
1494 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_5G;
1496 case ETH_SPEED_NUM_10G:
1497 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1499 case ETH_SPEED_NUM_20G:
1500 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_20G;
1502 case ETH_SPEED_NUM_25G:
1503 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_25G;
1505 case ETH_SPEED_NUM_40G:
1506 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1508 case ETH_SPEED_NUM_50G:
1509 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_50G;
1511 case ETH_SPEED_NUM_56G:
1512 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_56G;
1514 case ETH_SPEED_NUM_100G:
1515 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100G;
1520 dpdk_log_warn ("unknown link speed %d", xd->link.link_speed);
1526 if (LINK_STATE_ELOGS)
1528 vlib_main_t *vm = vlib_get_main ();
1530 ELOG_TYPE_DECLARE (e) =
1533 "update-link-state: sw_if_index %d, new flags %d",.format_args
1541 ed = ELOG_DATA (&vm->elog_main, e);
1542 ed->sw_if_index = xd->sw_if_index;
1543 ed->flags = hw_flags;
1545 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1550 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1552 clib_error_t *error;
1553 vnet_main_t *vnm = vnet_get_main ();
1554 dpdk_main_t *dm = &dpdk_main;
1555 ethernet_main_t *em = ðernet_main;
1557 vlib_thread_main_t *tm = vlib_get_thread_main ();
1561 error = dpdk_lib_init (dm);
1564 clib_error_report (error);
1566 tm->worker_thread_release = 1;
1568 f64 now = vlib_time_now (vm);
1569 vec_foreach (xd, dm->devices)
1571 dpdk_update_link_state (xd, now);
1576 * Extra set up for bond interfaces:
1577 * 1. Setup MACs for bond interfaces and their slave links which was set
1578 * in dpdk_device_setup() but needs to be done again here to take
1580 * 2. Set up info and register slave link state change callback handling.
1581 * 3. Set up info for bond interface related CLI support.
1583 #if RTE_VERSION < RTE_VERSION_NUM(18, 5, 0, 0)
1584 int nports = rte_eth_dev_count ();
1586 int nports = rte_eth_dev_count_avail ();
1591 RTE_ETH_FOREACH_DEV(i)
1594 for (j = 0; j < nports; j++)
1596 if (dm->devices[j].port_id == i)
1598 xd = &dm->devices[j];
1601 ASSERT (xd != NULL);
1603 if (xd->pmd == VNET_DPDK_PMD_BOND)
1606 dpdk_portid_t slink[16];
1607 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1610 vnet_hw_interface_t *bhi;
1611 ethernet_interface_t *bei;
1614 /* Get MAC of 1st slave link */
1616 (slink[0], (struct ether_addr *) addr);
1618 /* Set MAC of bounded interface to that of 1st slave link */
1619 dpdk_log_info ("Set MAC for bond port %d BondEthernet%d",
1620 i, xd->bond_instance_num);
1621 rv = rte_eth_bond_mac_address_set
1622 (i, (struct ether_addr *) addr);
1624 dpdk_log_warn ("Set MAC addr failure rv=%d", rv);
1626 /* Populate MAC of bonded interface in VPP hw tables */
1627 bhi = vnet_get_hw_interface
1628 (vnm, dm->devices[i].hw_if_index);
1629 bei = pool_elt_at_index
1630 (em->interfaces, bhi->hw_instance);
1631 clib_memcpy (bhi->hw_address, addr, 6);
1632 clib_memcpy (bei->address, addr, 6);
1634 /* Init l3 packet size allowed on bonded interface */
1635 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1636 bhi->max_l3_packet_bytes[VLIB_RX] =
1637 bhi->max_l3_packet_bytes[VLIB_TX] =
1638 ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
1640 { /* for all slave links */
1641 int slave = slink[--nlink];
1642 dpdk_device_t *sdev = &dm->devices[slave];
1643 vnet_hw_interface_t *shi;
1644 vnet_sw_interface_t *ssi;
1645 ethernet_interface_t *sei;
1646 /* Add MAC to all slave links except the first one */
1649 dpdk_log_info ("Add MAC for slave port %d",
1651 rv = rte_eth_dev_mac_addr_add
1652 (slave, (struct ether_addr *) addr, 0);
1654 dpdk_log_warn ("Add MAC addr failure rv=%d",
1657 /* Setup slave link state change callback handling */
1658 rte_eth_dev_callback_register
1659 (slave, RTE_ETH_EVENT_INTR_LSC,
1660 dpdk_port_state_callback, NULL);
1661 dpdk_device_t *sxd = &dm->devices[slave];
1662 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1664 /* Set slaves bitmap for bonded interface */
1665 bhi->bond_info = clib_bitmap_set
1666 (bhi->bond_info, sdev->hw_if_index, 1);
1667 /* Set MACs and slave link flags on slave interface */
1668 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1669 ssi = vnet_get_sw_interface (vnm, sdev->sw_if_index);
1670 sei = pool_elt_at_index
1671 (em->interfaces, shi->hw_instance);
1672 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1673 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1674 clib_memcpy (shi->hw_address, addr, 6);
1675 clib_memcpy (sei->address, addr, 6);
1676 /* Set l3 packet size allowed as the lowest of slave */
1677 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1678 shi->max_l3_packet_bytes[VLIB_RX])
1679 bhi->max_l3_packet_bytes[VLIB_RX] =
1680 bhi->max_l3_packet_bytes[VLIB_TX] =
1681 shi->max_l3_packet_bytes[VLIB_RX];
1682 /* Set max packet size allowed as the lowest of slave */
1683 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1684 bhi->max_packet_bytes = shi->max_packet_bytes;
1696 * check each time through the loop in case intervals are changed
1698 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1699 dm->link_state_poll_interval : dm->stat_poll_interval;
1701 vlib_process_wait_for_event_or_clock (vm, min_wait);
1703 if (dm->admin_up_down_in_progress)
1704 /* skip the poll if an admin up down is in progress (on any interface) */
1707 vec_foreach (xd, dm->devices)
1709 f64 now = vlib_time_now (vm);
1710 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1711 dpdk_update_counters (xd, now);
1712 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1713 dpdk_update_link_state (xd, now);
1722 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1723 .function = dpdk_process,
1724 .type = VLIB_NODE_TYPE_PROCESS,
1725 .name = "dpdk-process",
1726 .process_log2_n_stack_bytes = 17,
1730 static clib_error_t *
1731 dpdk_init (vlib_main_t * vm)
1733 dpdk_main_t *dm = &dpdk_main;
1734 clib_error_t *error = 0;
1735 vlib_thread_main_t *tm = vlib_get_thread_main ();
1737 /* verify that structs are cacheline aligned */
1738 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1739 "Cache line marker must be 1st element in dpdk_device_t");
1740 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1741 CLIB_CACHE_LINE_BYTES,
1742 "Data in cache line 0 is bigger than cache line size");
1743 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1744 "Cache line marker must be 1st element in frame_queue_trace_t");
1745 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1746 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1749 dm->vnet_main = vnet_get_main ();
1750 dm->conf = &dpdk_config_main;
1752 dm->conf->nchannels = 4;
1753 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1754 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1756 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1758 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1759 dm->buffer_flags_template =
1760 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1761 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1762 VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
1764 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1765 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1768 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1771 dm->log_default = vlib_log_register_class ("dpdk", 0);
1776 VLIB_INIT_FUNCTION (dpdk_init);
1780 * fd.io coding-style-patch-verification: ON
1783 * eval: (c-set-style "gnu")