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;
507 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
510 if (devconf->num_rx_desc)
511 xd->nb_rx_desc = devconf->num_rx_desc;
513 if (devconf->num_tx_desc)
514 xd->nb_tx_desc = devconf->num_tx_desc;
517 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
519 f64 now = vlib_time_now (vm);
521 rnd = (u32) (now * 1e6);
522 rnd = random_u32 (&rnd);
523 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
528 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
530 if (xd->tx_q_used < tm->n_vlib_mains)
531 dpdk_device_lock_init (xd);
534 xd->device_index = xd - dm->devices;
535 xd->per_interface_next_index = ~0;
537 /* assign interface to input thread */
540 if (devconf->hqos_enabled)
542 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
545 if (devconf->hqos.hqos_thread_valid)
547 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
548 return clib_error_return (0, "invalid HQoS thread index");
550 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
554 if (dm->hqos_cpu_count == 0)
555 return clib_error_return (0, "no HQoS threads available");
557 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
560 if (next_hqos_cpu == dm->hqos_cpu_count)
563 devconf->hqos.hqos_thread_valid = 1;
564 devconf->hqos.hqos_thread = cpu;
567 dpdk_device_and_queue_t *dq;
568 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
569 dq->device = xd->device_index;
573 /* count the number of descriptors used for this device */
574 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
576 error = ethernet_register_interface
577 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
578 /* ethernet address */ addr,
579 &xd->hw_if_index, dpdk_flag_change);
584 * Ensure default mtu is not > the mtu read from the hardware.
585 * Otherwise rte_eth_dev_configure() will fail and the port will
587 * Calculate max_frame_size and mtu supported by NIC
589 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
592 * This device does not support the platforms's max frame
593 * size. Use it's advertised mru instead.
595 max_rx_frame = dev_info.max_rx_pktlen;
596 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
600 /* VPP treats MTU and max_rx_pktlen both equal to
601 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
602 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
604 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
605 sizeof (ethernet_header_t)))
607 mtu = ETHERNET_MAX_PACKET_BYTES;
608 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
611 * Some platforms do not account for Ethernet FCS (4 bytes) in
612 * MTU calculations. To interop with them increase mru but only
613 * if the device's settings can support it.
615 if (xd->port_conf.rxmode.hw_strip_crc &&
616 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
617 sizeof (ethernet_header_t) +
625 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
626 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
628 if (xd->port_conf.rxmode.hw_strip_crc &&
629 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
635 /*Set port rxmode config */
636 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
638 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
639 xd->sw_if_index = sw->sw_if_index;
640 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
641 dpdk_input_node.index);
643 if (devconf->workers)
647 clib_bitmap_foreach (i, devconf->workers, ({
648 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
649 vdm->first_worker_thread_index + i);
653 for (q = 0; q < xd->rx_q_used; q++)
655 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
659 /*Get vnet hardware interface */
660 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
662 /*Override default max_packet_bytes and max_supported_bytes set in
663 * ethernet_register_interface() above*/
666 hi->max_packet_bytes = mtu;
667 hi->max_supported_packet_bytes = max_rx_frame;
670 if (dm->conf->no_tx_checksum_offload == 0)
671 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD)
672 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
674 dpdk_device_setup (xd);
676 if (vec_len (xd->errors))
677 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
678 format_dpdk_device_name, i,
679 format_dpdk_device_errors, xd);
681 if (devconf->hqos_enabled)
684 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
690 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
691 * specified otherwise in the startup config.
692 * For other NICs default to VLAN strip disabled, unless specified
693 * otherwis in the startup config.
695 if (xd->pmd == VNET_DPDK_PMD_ENIC)
697 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
698 vlan_strip = 1; /* remove vlan tag from VIC port by default */
700 dpdk_log_warn ("VLAN strip disabled for interface\n");
702 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
708 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
709 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
710 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
711 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) == 0)
712 dpdk_log_info ("VLAN strip enabled for interface\n");
714 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
718 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
719 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
721 clib_warning ("hi NULL");
723 if (dm->conf->no_multi_seg)
724 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
726 rte_eth_dev_set_mtu (xd->port_id, mtu);
730 if (nb_desc > dm->conf->num_mbufs)
731 dpdk_log_err ("%d mbufs allocated but total rx/tx ring size is %d\n",
732 dm->conf->num_mbufs, nb_desc);
738 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
742 int num_whitelisted = vec_len (conf->dev_confs);
743 vlib_pci_device_info_t *d = 0;
744 vlib_pci_addr_t *addr = 0, *addrs;
746 addrs = vlib_pci_get_all_dev_addrs ();
748 vec_foreach (addr, addrs)
750 dpdk_device_config_t * devconf = 0;
751 vec_reset_length (pci_addr);
752 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
755 vlib_pci_free_device_info (d);
758 d = vlib_pci_get_device_info (addr, &error);
761 clib_error_report (error);
765 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
770 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
775 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
779 if (d->vendor_id == 0x1af4 &&
780 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
781 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
784 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
786 /* all Intel network devices */
787 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
789 /* all Intel QAT devices VFs */
790 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
791 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
794 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
797 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
799 /* Amazen Elastic Network Adapter */
800 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
802 /* Cavium Network Adapter */
803 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
806 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
812 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
813 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
818 error = vlib_pci_bind_to_uio (addr, (char *) conf->uio_driver_name);
824 pool_get (conf->dev_confs, devconf);
825 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
826 devconf - conf->dev_confs);
827 devconf->pci_addr.as_u32 = addr->as_u32;
829 devconf->is_blacklisted = 1;
830 clib_error_report (error);
835 vlib_pci_free_device_info (d);
838 static clib_error_t *
839 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
840 unformat_input_t * input, u8 is_default)
842 clib_error_t *error = 0;
844 dpdk_device_config_t *devconf;
845 unformat_input_t sub_input;
849 devconf = &conf->default_devconf;
853 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
857 pool_get (conf->dev_confs, devconf);
858 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
859 devconf - conf->dev_confs);
862 return clib_error_return (0,
863 "duplicate configuration for PCI address %U",
864 format_vlib_pci_addr, &pci_addr);
867 devconf->pci_addr.as_u32 = pci_addr.as_u32;
868 devconf->hqos_enabled = 0;
869 dpdk_device_config_hqos_default (&devconf->hqos);
874 unformat_skip_white_space (input);
875 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
877 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
879 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
881 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
883 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
885 else if (unformat (input, "workers %U", unformat_bitmap_list,
890 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
892 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
896 else if (unformat (input, "vlan-strip-offload off"))
897 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
898 else if (unformat (input, "vlan-strip-offload on"))
899 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
902 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
904 devconf->hqos_enabled = 1;
905 error = unformat_hqos (&sub_input, &devconf->hqos);
909 else if (unformat (input, "hqos"))
911 devconf->hqos_enabled = 1;
915 error = clib_error_return (0, "unknown input `%U'",
916 format_unformat_error, input);
924 if (devconf->workers && devconf->num_rx_queues == 0)
925 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
926 else if (devconf->workers &&
927 clib_bitmap_count_set_bits (devconf->workers) !=
928 devconf->num_rx_queues)
930 clib_error_return (0,
931 "%U: number of worker threadds must be "
932 "equal to number of rx queues", format_vlib_pci_addr,
938 static clib_error_t *
939 dpdk_log_read_ready (clib_file_t * uf)
941 unformat_input_t input;
948 uword len = vec_len (s);
949 vec_resize (s, len + n_try);
951 n = read (uf->file_descriptor, s + len, n_try);
952 if (n < 0 && errno != EAGAIN)
953 return clib_error_return_unix (0, "read");
954 _vec_len (s) = len + (n < 0 ? 0 : n);
957 unformat_init_vector (&input, s);
959 while (unformat_user (&input, unformat_line, &line))
961 dpdk_log_notice ("%v", line);
965 unformat_free (&input);
969 static clib_error_t *
970 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
972 clib_error_t *error = 0;
973 dpdk_main_t *dm = &dpdk_main;
974 dpdk_config_main_t *conf = &dpdk_config_main;
975 vlib_thread_main_t *tm = vlib_get_thread_main ();
976 dpdk_device_config_t *devconf;
977 vlib_pci_addr_t pci_addr;
978 unformat_input_t sub_input;
981 u8 *rte_cmd = 0, *ethname = 0;
984 int num_whitelisted = 0;
990 u8 *huge_dir_path = 0;
993 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
995 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
996 log_level = RTE_LOG_NOTICE;
998 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1000 /* Prime the pump */
1001 if (unformat (input, "no-hugetlb"))
1003 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
1007 else if (unformat (input, "enable-tcp-udp-checksum"))
1008 conf->enable_tcp_udp_checksum = 1;
1010 else if (unformat (input, "no-tx-checksum-offload"))
1011 conf->no_tx_checksum_offload = 1;
1013 else if (unformat (input, "decimal-interface-names"))
1014 conf->interface_name_format_decimal = 1;
1016 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
1019 else if (unformat (input, "no-multi-seg"))
1020 conf->no_multi_seg = 1;
1022 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1026 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1034 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1035 unformat_vlib_cli_sub_input, &sub_input))
1037 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1044 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1046 error = dpdk_device_config (conf, pci_addr, 0, 0);
1053 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1055 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1057 else if (unformat (input, "socket-mem %s", &socket_mem))
1059 else if (unformat (input, "no-pci"))
1062 tmp = format (0, "--no-pci%c", 0);
1063 vec_add1 (conf->eal_init_args, tmp);
1065 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep_usec))
1069 else if (unformat(input, #a)) \
1071 tmp = format (0, "--%s%c", #a, 0); \
1072 vec_add1 (conf->eal_init_args, tmp); \
1074 foreach_eal_double_hyphen_predicate_arg
1077 else if (unformat(input, #a " %s", &s)) \
1079 if (!strncmp(#a, "huge-dir", 8)) \
1081 else if (!strncmp(#a, "file-prefix", 11)) \
1083 tmp = format (0, "--%s%c", #a, 0); \
1084 vec_add1 (conf->eal_init_args, tmp); \
1086 if (!strncmp(#a, "vdev", 4)) \
1087 if (strstr((char*)s, "af_packet")) \
1088 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1089 vec_add1 (conf->eal_init_args, s); \
1091 foreach_eal_double_hyphen_arg
1094 else if (unformat(input, #a " %s", &s)) \
1096 tmp = format (0, "-%s%c", #b, 0); \
1097 vec_add1 (conf->eal_init_args, tmp); \
1099 vec_add1 (conf->eal_init_args, s); \
1101 foreach_eal_single_hyphen_arg
1104 else if (unformat(input, #a " %s", &s)) \
1106 tmp = format (0, "-%s%c", #b, 0); \
1107 vec_add1 (conf->eal_init_args, tmp); \
1109 vec_add1 (conf->eal_init_args, s); \
1110 conf->a##_set_manually = 1; \
1112 foreach_eal_single_hyphen_mandatory_arg
1114 else if (unformat (input, "default"))
1117 else if (unformat_skip_white_space (input))
1121 error = clib_error_return (0, "unknown input `%U'",
1122 format_unformat_error, input);
1127 if (!conf->uio_driver_name)
1128 conf->uio_driver_name = format (0, "auto%c", 0);
1131 * Use 1G huge pages if available.
1133 if (!no_huge && !huge_dir)
1135 u32 x, *mem_by_socket = 0;
1139 umount ((char *) huge_dir_path);
1141 /* Process "socket-mem" parameter value */
1142 if (vec_len (socket_mem))
1144 unformat_input_t in;
1145 unformat_init_vector (&in, socket_mem);
1146 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1148 if (unformat (&in, "%u,", &x))
1150 else if (unformat (&in, "%u", &x))
1152 else if (unformat (&in, ","))
1157 vec_add1 (mem_by_socket, x);
1159 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1160 unformat_free (&in);
1166 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1168 vec_validate(mem_by_socket, c);
1169 mem_by_socket[c] = 64; /* default per-socket mem */
1176 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1180 vec_validate(mem_by_socket, c);
1182 e = clib_sysfs_prealloc_hugepages(c, 2 << 10, mem_by_socket[c] / 2);
1184 clib_error_report (e);
1188 if (mem_by_socket == 0)
1190 error = clib_error_return (0, "mem_by_socket NULL");
1193 _vec_len (mem_by_socket) = c + 1;
1195 /* regenerate socket_mem string */
1196 vec_foreach_index (x, mem_by_socket)
1197 socket_mem = format (socket_mem, "%s%u",
1198 socket_mem ? "," : "", mem_by_socket[x]);
1199 socket_mem = format (socket_mem, "%c", 0);
1201 vec_free (mem_by_socket);
1203 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1209 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1213 error = clib_error_return (0, "mount failed %d", errno);
1217 tmp = format (0, "--huge-dir%c", 0);
1218 vec_add1 (conf->eal_init_args, tmp);
1219 tmp = format (0, "%s%c", huge_dir_path, 0);
1220 vec_add1 (conf->eal_init_args, tmp);
1223 tmp = format (0, "--file-prefix%c", 0);
1224 vec_add1 (conf->eal_init_args, tmp);
1225 tmp = format (0, "vpp%c", 0);
1226 vec_add1 (conf->eal_init_args, tmp);
1236 /* I'll bet that -c and -n must be the first and second args... */
1237 if (!conf->coremask_set_manually)
1239 vlib_thread_registration_t *tr;
1240 uword *coremask = 0;
1243 /* main thread core */
1244 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1246 for (i = 0; i < vec_len (tm->registrations); i++)
1248 tr = tm->registrations[i];
1249 coremask = clib_bitmap_or (coremask, tr->coremask);
1252 vec_insert (conf->eal_init_args, 2, 1);
1253 conf->eal_init_args[1] = (u8 *) "-c";
1254 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1255 conf->eal_init_args[2] = tmp;
1256 clib_bitmap_free (coremask);
1259 if (!conf->nchannels_set_manually)
1261 vec_insert (conf->eal_init_args, 2, 3);
1262 conf->eal_init_args[3] = (u8 *) "-n";
1263 tmp = format (0, "%d", conf->nchannels);
1264 conf->eal_init_args[4] = tmp;
1267 if (no_pci == 0 && geteuid () == 0)
1268 dpdk_bind_devices_to_uio (conf);
1271 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1272 devconf->x = conf->default_devconf.x ;
1275 pool_foreach (devconf, conf->dev_confs, ({
1277 /* default per-device config items */
1278 foreach_dpdk_device_config_item
1280 /* add DPDK EAL whitelist/blacklist entry */
1281 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1283 tmp = format (0, "-w%c", 0);
1284 vec_add1 (conf->eal_init_args, tmp);
1285 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1286 vec_add1 (conf->eal_init_args, tmp);
1288 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1290 tmp = format (0, "-b%c", 0);
1291 vec_add1 (conf->eal_init_args, tmp);
1292 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1293 vec_add1 (conf->eal_init_args, tmp);
1300 /* set master-lcore */
1301 tmp = format (0, "--master-lcore%c", 0);
1302 vec_add1 (conf->eal_init_args, tmp);
1303 tmp = format (0, "%u%c", tm->main_lcore, 0);
1304 vec_add1 (conf->eal_init_args, tmp);
1306 /* set socket-mem */
1307 tmp = format (0, "--socket-mem%c", 0);
1308 vec_add1 (conf->eal_init_args, tmp);
1309 tmp = format (0, "%s%c", socket_mem, 0);
1310 vec_add1 (conf->eal_init_args, tmp);
1312 /* NULL terminate the "argv" vector, in case of stupidity */
1313 vec_add1 (conf->eal_init_args, 0);
1314 _vec_len (conf->eal_init_args) -= 1;
1316 /* Set up DPDK eal and packet mbuf pool early. */
1318 rte_log_set_global_level (log_level);
1319 int log_fds[2] = { 0 };
1320 if (pipe (log_fds) == 0)
1322 FILE *f = fdopen (log_fds[1], "a");
1323 if (f && rte_openlog_stream (f) == 0)
1325 clib_file_t t = { 0 };
1326 t.read_function = dpdk_log_read_ready;
1327 t.file_descriptor = log_fds[0];
1328 t.description = format (0, "DPDK logging pipe");
1329 clib_file_add (&file_main, &t);
1333 vm = vlib_get_main ();
1335 /* make copy of args as rte_eal_init tends to mess up with arg array */
1336 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1337 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1338 conf->eal_init_args[i]);
1340 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1341 ret = rte_eal_init (vec_len (conf->eal_init_args),
1342 (char **) conf->eal_init_args);
1344 /* lazy umount hugepages */
1345 umount2 ((char *) huge_dir_path, MNT_DETACH);
1346 rmdir ((char *) huge_dir_path);
1347 vec_free (huge_dir_path);
1350 return clib_error_return (0, "rte_eal_init returned %d", ret);
1352 /* set custom ring memory allocator */
1354 struct rte_mempool_ops *ops = NULL;
1356 ops = get_ops_by_name ("ring_sp_sc");
1357 ops->alloc = dpdk_ring_alloc;
1359 ops = get_ops_by_name ("ring_mp_sc");
1360 ops->alloc = dpdk_ring_alloc;
1362 ops = get_ops_by_name ("ring_sp_mc");
1363 ops->alloc = dpdk_ring_alloc;
1365 ops = get_ops_by_name ("ring_mp_mc");
1366 ops->alloc = dpdk_ring_alloc;
1369 /* main thread 1st */
1370 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1374 for (i = 0; i < RTE_MAX_LCORE; i++)
1376 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1377 rte_lcore_to_socket_id (i));
1386 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1389 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1391 vnet_main_t *vnm = vnet_get_main ();
1392 struct rte_eth_link prev_link = xd->link;
1394 u8 hw_flags_chg = 0;
1396 /* only update link state for PMD interfaces */
1397 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1400 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1401 memset (&xd->link, 0, sizeof (xd->link));
1402 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1404 if (LINK_STATE_ELOGS)
1406 vlib_main_t *vm = vlib_get_main ();
1407 ELOG_TYPE_DECLARE (e) =
1410 "update-link-state: sw_if_index %d, admin_up %d,"
1411 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1420 ed = ELOG_DATA (&vm->elog_main, e);
1421 ed->sw_if_index = xd->sw_if_index;
1422 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1423 ed->old_link_state = (u8)
1424 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1425 ed->new_link_state = (u8) xd->link.link_status;
1428 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1429 && ((xd->link.link_status != 0) ^
1430 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1433 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1436 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1439 switch (xd->link.link_duplex)
1441 case ETH_LINK_HALF_DUPLEX:
1442 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1444 case ETH_LINK_FULL_DUPLEX:
1445 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1451 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1454 switch (xd->link.link_speed)
1456 case ETH_SPEED_NUM_10M:
1457 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1459 case ETH_SPEED_NUM_100M:
1460 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1462 case ETH_SPEED_NUM_1G:
1463 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1465 case ETH_SPEED_NUM_2_5G:
1466 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_2_5G;
1468 case ETH_SPEED_NUM_5G:
1469 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_5G;
1471 case ETH_SPEED_NUM_10G:
1472 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1474 case ETH_SPEED_NUM_20G:
1475 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_20G;
1477 case ETH_SPEED_NUM_25G:
1478 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_25G;
1480 case ETH_SPEED_NUM_40G:
1481 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1483 case ETH_SPEED_NUM_50G:
1484 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_50G;
1486 case ETH_SPEED_NUM_56G:
1487 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_56G;
1489 case ETH_SPEED_NUM_100G:
1490 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100G;
1495 dpdk_log_warn ("unknown link speed %d", xd->link.link_speed);
1501 if (LINK_STATE_ELOGS)
1503 vlib_main_t *vm = vlib_get_main ();
1505 ELOG_TYPE_DECLARE (e) =
1508 "update-link-state: sw_if_index %d, new flags %d",.format_args
1516 ed = ELOG_DATA (&vm->elog_main, e);
1517 ed->sw_if_index = xd->sw_if_index;
1518 ed->flags = hw_flags;
1520 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1525 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1527 clib_error_t *error;
1528 vnet_main_t *vnm = vnet_get_main ();
1529 dpdk_main_t *dm = &dpdk_main;
1530 ethernet_main_t *em = ðernet_main;
1532 vlib_thread_main_t *tm = vlib_get_thread_main ();
1536 error = dpdk_lib_init (dm);
1539 clib_error_report (error);
1541 tm->worker_thread_release = 1;
1543 f64 now = vlib_time_now (vm);
1544 vec_foreach (xd, dm->devices)
1546 dpdk_update_link_state (xd, now);
1551 * Extra set up for bond interfaces:
1552 * 1. Setup MACs for bond interfaces and their slave links which was set
1553 * in dpdk_device_setup() but needs to be done again here to take
1555 * 2. Set up info and register slave link state change callback handling.
1556 * 3. Set up info for bond interface related CLI support.
1558 #if RTE_VERSION < RTE_VERSION_NUM(18, 5, 0, 0)
1559 int nports = rte_eth_dev_count ();
1561 int nports = rte_eth_dev_count_avail ();
1566 RTE_ETH_FOREACH_DEV(i)
1569 for (j = 0; j < nports; j++)
1571 if (dm->devices[j].port_id == i)
1573 xd = &dm->devices[j];
1576 ASSERT (xd != NULL);
1578 if (xd->pmd == VNET_DPDK_PMD_BOND)
1581 dpdk_portid_t slink[16];
1582 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1585 vnet_hw_interface_t *bhi;
1586 ethernet_interface_t *bei;
1589 /* Get MAC of 1st slave link */
1591 (slink[0], (struct ether_addr *) addr);
1593 /* Set MAC of bounded interface to that of 1st slave link */
1594 dpdk_log_info ("Set MAC for bond port %d BondEthernet%d",
1595 i, xd->bond_instance_num);
1596 rv = rte_eth_bond_mac_address_set
1597 (i, (struct ether_addr *) addr);
1599 dpdk_log_warn ("Set MAC addr failure rv=%d", rv);
1601 /* Populate MAC of bonded interface in VPP hw tables */
1602 bhi = vnet_get_hw_interface
1603 (vnm, dm->devices[i].hw_if_index);
1604 bei = pool_elt_at_index
1605 (em->interfaces, bhi->hw_instance);
1606 clib_memcpy (bhi->hw_address, addr, 6);
1607 clib_memcpy (bei->address, addr, 6);
1609 /* Init l3 packet size allowed on bonded interface */
1610 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1611 bhi->max_l3_packet_bytes[VLIB_RX] =
1612 bhi->max_l3_packet_bytes[VLIB_TX] =
1613 ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
1615 { /* for all slave links */
1616 int slave = slink[--nlink];
1617 dpdk_device_t *sdev = &dm->devices[slave];
1618 vnet_hw_interface_t *shi;
1619 vnet_sw_interface_t *ssi;
1620 ethernet_interface_t *sei;
1621 /* Add MAC to all slave links except the first one */
1624 dpdk_log_info ("Add MAC for slave port %d",
1626 rv = rte_eth_dev_mac_addr_add
1627 (slave, (struct ether_addr *) addr, 0);
1629 dpdk_log_warn ("Add MAC addr failure rv=%d",
1632 /* Setup slave link state change callback handling */
1633 rte_eth_dev_callback_register
1634 (slave, RTE_ETH_EVENT_INTR_LSC,
1635 dpdk_port_state_callback, NULL);
1636 dpdk_device_t *sxd = &dm->devices[slave];
1637 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1639 /* Set slaves bitmap for bonded interface */
1640 bhi->bond_info = clib_bitmap_set
1641 (bhi->bond_info, sdev->hw_if_index, 1);
1642 /* Set MACs and slave link flags on slave interface */
1643 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1644 ssi = vnet_get_sw_interface (vnm, sdev->sw_if_index);
1645 sei = pool_elt_at_index
1646 (em->interfaces, shi->hw_instance);
1647 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1648 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1649 clib_memcpy (shi->hw_address, addr, 6);
1650 clib_memcpy (sei->address, addr, 6);
1651 /* Set l3 packet size allowed as the lowest of slave */
1652 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1653 shi->max_l3_packet_bytes[VLIB_RX])
1654 bhi->max_l3_packet_bytes[VLIB_RX] =
1655 bhi->max_l3_packet_bytes[VLIB_TX] =
1656 shi->max_l3_packet_bytes[VLIB_RX];
1657 /* Set max packet size allowed as the lowest of slave */
1658 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1659 bhi->max_packet_bytes = shi->max_packet_bytes;
1671 * check each time through the loop in case intervals are changed
1673 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1674 dm->link_state_poll_interval : dm->stat_poll_interval;
1676 vlib_process_wait_for_event_or_clock (vm, min_wait);
1678 if (dm->admin_up_down_in_progress)
1679 /* skip the poll if an admin up down is in progress (on any interface) */
1682 vec_foreach (xd, dm->devices)
1684 f64 now = vlib_time_now (vm);
1685 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1686 dpdk_update_counters (xd, now);
1687 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1688 dpdk_update_link_state (xd, now);
1697 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1698 .function = dpdk_process,
1699 .type = VLIB_NODE_TYPE_PROCESS,
1700 .name = "dpdk-process",
1701 .process_log2_n_stack_bytes = 17,
1705 static clib_error_t *
1706 dpdk_init (vlib_main_t * vm)
1708 dpdk_main_t *dm = &dpdk_main;
1709 clib_error_t *error = 0;
1710 vlib_thread_main_t *tm = vlib_get_thread_main ();
1712 /* verify that structs are cacheline aligned */
1713 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1714 "Cache line marker must be 1st element in dpdk_device_t");
1715 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1716 CLIB_CACHE_LINE_BYTES,
1717 "Data in cache line 0 is bigger than cache line size");
1718 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1719 "Cache line marker must be 1st element in frame_queue_trace_t");
1720 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1721 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1724 dm->vnet_main = vnet_get_main ();
1725 dm->conf = &dpdk_config_main;
1727 dm->conf->nchannels = 4;
1728 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1729 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1731 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1733 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1734 dm->buffer_flags_template =
1735 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1736 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1737 VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
1739 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1740 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1743 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1746 dm->log_default = vlib_log_register_class ("dpdk", 0);
1751 VLIB_INIT_FUNCTION (dpdk_init);
1755 * fd.io coding-style-patch-verification: ON
1758 * eval: (c-set-style "gnu")