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 dpdk_main_t dpdk_main;
41 dpdk_config_main_t dpdk_config_main;
43 #define LINK_STATE_ELOGS 0
45 /* Port configuration, mildly modified Intel app values */
47 static struct rte_eth_conf port_conf_template = {
50 .header_split = 0, /**< Header Split disabled */
51 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
52 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
53 .hw_strip_crc = 0, /**< CRC stripped by hardware */
56 .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->device_index);
110 rte_eth_promiscuous_disable (xd->device_index);
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 (i8 * 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 i8 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);
188 static clib_error_t *
189 dpdk_lib_init (dpdk_main_t * dm)
192 u32 mtu, max_rx_frame;
196 vlib_main_t *vm = vlib_get_main ();
197 vlib_thread_main_t *tm = vlib_get_thread_main ();
198 vnet_device_main_t *vdm = &vnet_device_main;
199 vnet_sw_interface_t *sw;
200 vnet_hw_interface_t *hi;
202 vlib_pci_addr_t last_pci_addr;
203 u32 last_pci_addr_port = 0;
204 vlib_thread_registration_t *tr_hqos;
207 u32 next_hqos_cpu = 0;
208 u8 af_packet_port_id = 0;
209 u8 bond_ether_port_id = 0;
210 last_pci_addr.as_u32 = ~0;
212 dm->hqos_cpu_first_index = 0;
213 dm->hqos_cpu_count = 0;
215 /* find out which cpus will be used for I/O TX */
216 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
217 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
219 if (tr_hqos && tr_hqos->count > 0)
221 dm->hqos_cpu_first_index = tr_hqos->first_index;
222 dm->hqos_cpu_count = tr_hqos->count;
225 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
226 CLIB_CACHE_LINE_BYTES);
228 nports = rte_eth_dev_count ();
231 dpdk_log_notice ("DPDK drivers found no ports...");
235 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
237 if (dm->conf->enable_tcp_udp_checksum)
238 dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
239 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
241 /* vlib_buffer_t template */
242 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
243 CLIB_CACHE_LINE_BYTES);
244 for (i = 0; i < tm->n_vlib_mains; i++)
246 vlib_buffer_free_list_t *fl;
247 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
248 fl = vlib_buffer_get_free_list (vm,
249 VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
250 vlib_buffer_init_for_free_list (&ptd->buffer_template, fl);
251 ptd->buffer_template.flags = dm->buffer_flags_template;
252 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
255 for (i = 0; i < nports; i++)
259 struct rte_eth_dev_info dev_info;
260 struct rte_eth_link l;
261 dpdk_device_config_t *devconf = 0;
262 vlib_pci_addr_t pci_addr;
265 rte_eth_dev_info_get (i, &dev_info);
266 if (dev_info.pci_dev) /* bonded interface has no pci info */
268 pci_addr.domain = dev_info.pci_dev->addr.domain;
269 pci_addr.bus = dev_info.pci_dev->addr.bus;
270 pci_addr.slot = dev_info.pci_dev->addr.devid;
271 pci_addr.function = dev_info.pci_dev->addr.function;
273 hash_get (dm->conf->device_config_index_by_pci_addr,
278 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
280 devconf = &dm->conf->default_devconf;
282 /* Create vnet interface */
283 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
284 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
285 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
286 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
288 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
289 if (dev_info.pci_dev)
291 struct rte_eth_dev_info di = { 0 };
292 rte_eth_dev_info_get (i + 1, &di);
293 if (di.pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
294 memcmp (&dev_info.pci_dev->addr, &di.pci_dev->addr,
295 sizeof (struct rte_pci_addr)) == 0)
297 xd->interface_name_suffix = format (0, "0");
298 last_pci_addr.as_u32 = pci_addr.as_u32;
299 last_pci_addr_port = i;
301 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
303 xd->interface_name_suffix =
304 format (0, "%u", i - last_pci_addr_port);
308 last_pci_addr.as_u32 = ~0;
312 last_pci_addr.as_u32 = ~0;
314 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
315 sizeof (struct rte_eth_txconf));
317 if (dm->conf->no_multi_seg)
319 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
320 port_conf_template.rxmode.jumbo_frame = 0;
321 port_conf_template.rxmode.enable_scatter = 0;
325 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
326 port_conf_template.rxmode.jumbo_frame = 1;
327 port_conf_template.rxmode.enable_scatter = 1;
328 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
331 clib_memcpy (&xd->port_conf, &port_conf_template,
332 sizeof (struct rte_eth_conf));
334 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
336 if (devconf->num_tx_queues > 0
337 && devconf->num_tx_queues < xd->tx_q_used)
338 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
340 if (devconf->num_rx_queues > 1
341 && dev_info.max_rx_queues >= devconf->num_rx_queues)
343 xd->rx_q_used = devconf->num_rx_queues;
344 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
345 if (devconf->rss_fn == 0)
346 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
347 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
349 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
354 xd->flags |= DPDK_DEVICE_FLAG_PMD;
356 /* workaround for drivers not setting driver_name */
357 if ((!dev_info.driver_name) && (dev_info.pci_dev))
358 dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
360 ASSERT (dev_info.driver_name);
366 #define _(s,f) else if (dev_info.driver_name && \
367 !strcmp(dev_info.driver_name, s)) \
368 xd->pmd = VNET_DPDK_PMD_##f;
374 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
376 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
377 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
378 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
382 /* Drivers with valid speed_capa set */
383 case VNET_DPDK_PMD_E1000EM:
384 case VNET_DPDK_PMD_IGB:
385 case VNET_DPDK_PMD_IXGBE:
386 case VNET_DPDK_PMD_I40E:
387 xd->port_type = port_type_from_speed_capa (&dev_info);
388 if (dm->conf->no_tx_checksum_offload == 0)
390 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOXSUMS;
392 DPDK_DEVICE_FLAG_TX_OFFLOAD |
393 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
398 case VNET_DPDK_PMD_CXGBE:
399 case VNET_DPDK_PMD_MLX4:
400 case VNET_DPDK_PMD_MLX5:
401 xd->port_type = port_type_from_speed_capa (&dev_info);
405 case VNET_DPDK_PMD_IGBVF:
406 case VNET_DPDK_PMD_IXGBEVF:
407 case VNET_DPDK_PMD_I40EVF:
408 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
409 xd->port_conf.rxmode.hw_strip_crc = 1;
412 case VNET_DPDK_PMD_THUNDERX:
413 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
414 xd->port_conf.rxmode.hw_strip_crc = 1;
417 case VNET_DPDK_PMD_ENA:
418 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
419 xd->port_conf.rxmode.enable_scatter = 0;
422 case VNET_DPDK_PMD_DPAA2:
423 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
427 case VNET_DPDK_PMD_ENIC:
428 rte_eth_link_get_nowait (i, &l);
429 if (l.link_speed == 40000)
430 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
432 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
435 /* Intel Red Rock Canyon */
436 case VNET_DPDK_PMD_FM10K:
437 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
438 xd->port_conf.rxmode.hw_strip_crc = 1;
442 case VNET_DPDK_PMD_VIRTIO:
443 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
444 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
445 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
449 case VNET_DPDK_PMD_VMXNET3:
450 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
451 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
454 case VNET_DPDK_PMD_AF_PACKET:
455 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
456 xd->port_id = af_packet_port_id++;
459 case VNET_DPDK_PMD_BOND:
460 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
461 xd->port_id = bond_ether_port_id++;
464 case VNET_DPDK_PMD_VIRTIO_USER:
465 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
468 case VNET_DPDK_PMD_VHOST_ETHER:
469 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
473 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
476 if (devconf->num_rx_desc)
477 xd->nb_rx_desc = devconf->num_rx_desc;
479 if (devconf->num_tx_desc)
480 xd->nb_tx_desc = devconf->num_tx_desc;
483 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
485 f64 now = vlib_time_now (vm);
487 rnd = (u32) (now * 1e6);
488 rnd = random_u32 (&rnd);
489 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
494 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
496 if (xd->tx_q_used < tm->n_vlib_mains)
497 dpdk_device_lock_init (xd);
499 xd->device_index = xd - dm->devices;
500 ASSERT (i == xd->device_index);
501 xd->per_interface_next_index = ~0;
503 /* assign interface to input thread */
506 if (devconf->hqos_enabled)
508 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
511 if (devconf->hqos.hqos_thread_valid)
513 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
514 return clib_error_return (0, "invalid HQoS thread index");
516 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
520 if (dm->hqos_cpu_count == 0)
521 return clib_error_return (0, "no HQoS threads available");
523 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
526 if (next_hqos_cpu == dm->hqos_cpu_count)
529 devconf->hqos.hqos_thread_valid = 1;
530 devconf->hqos.hqos_thread = cpu;
533 dpdk_device_and_queue_t *dq;
534 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
535 dq->device = xd->device_index;
539 /* count the number of descriptors used for this device */
540 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
542 error = ethernet_register_interface
543 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
544 /* ethernet address */ addr,
545 &xd->hw_if_index, dpdk_flag_change);
550 * Ensure default mtu is not > the mtu read from the hardware.
551 * Otherwise rte_eth_dev_configure() will fail and the port will
553 * Calculate max_frame_size and mtu supported by NIC
555 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
558 * This device does not support the platforms's max frame
559 * size. Use it's advertised mru instead.
561 max_rx_frame = dev_info.max_rx_pktlen;
562 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
566 /* VPP treats MTU and max_rx_pktlen both equal to
567 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
568 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
570 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
571 sizeof (ethernet_header_t)))
573 mtu = ETHERNET_MAX_PACKET_BYTES;
574 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
577 * Some platforms do not account for Ethernet FCS (4 bytes) in
578 * MTU calculations. To interop with them increase mru but only
579 * if the device's settings can support it.
581 if (xd->port_conf.rxmode.hw_strip_crc &&
582 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
583 sizeof (ethernet_header_t) +
591 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
592 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
594 if (xd->port_conf.rxmode.hw_strip_crc &&
595 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
601 /*Set port rxmode config */
602 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
604 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
605 xd->sw_if_index = sw->sw_if_index;
606 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
607 dpdk_input_node.index);
609 if (devconf->workers)
614 clib_bitmap_foreach (i, devconf->workers, ({
615 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
616 vdm->first_worker_thread_index + i);
621 for (q = 0; q < xd->rx_q_used; q++)
623 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
627 /*Get vnet hardware interface */
628 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
630 /*Override default max_packet_bytes and max_supported_bytes set in
631 * ethernet_register_interface() above*/
634 hi->max_packet_bytes = max_rx_frame;
635 hi->max_supported_packet_bytes = max_rx_frame;
638 if (dm->conf->no_tx_checksum_offload == 0)
639 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD)
640 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
642 dpdk_device_setup (xd);
644 if (vec_len (xd->errors))
645 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
646 format_dpdk_device_name, i,
647 format_dpdk_device_errors, xd);
649 if (devconf->hqos_enabled)
652 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
658 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
659 * specified otherwise in the startup config.
660 * For other NICs default to VLAN strip disabled, unless specified
661 * otherwis in the startup config.
663 if (xd->pmd == VNET_DPDK_PMD_ENIC)
665 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
666 vlan_strip = 1; /* remove vlan tag from VIC port by default */
668 dpdk_log_warn ("VLAN strip disabled for interface\n");
670 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
676 vlan_off = rte_eth_dev_get_vlan_offload (xd->device_index);
677 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
678 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
679 if (rte_eth_dev_set_vlan_offload (xd->device_index, vlan_off) == 0)
680 dpdk_log_info ("VLAN strip enabled for interface\n");
682 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
686 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
687 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
689 clib_warning ("hi NULL");
691 rte_eth_dev_set_mtu (xd->device_index, mtu);
694 if (nb_desc > dm->conf->num_mbufs)
695 dpdk_log_err ("%d mbufs allocated but total rx/tx ring size is %d\n",
696 dm->conf->num_mbufs, nb_desc);
702 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
706 int num_whitelisted = vec_len (conf->dev_confs);
707 vlib_pci_device_info_t *d = 0;
708 vlib_pci_addr_t *addr = 0, *addrs;
710 addrs = vlib_pci_get_all_dev_addrs ();
712 vec_foreach (addr, addrs)
714 dpdk_device_config_t * devconf = 0;
715 vec_reset_length (pci_addr);
716 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
719 vlib_pci_free_device_info (d);
722 d = vlib_pci_get_device_info (addr, &error);
725 clib_error_report (error);
729 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
734 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
739 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
743 if (d->vendor_id == 0x1af4 &&
744 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
745 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
748 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
750 /* all Intel network devices */
751 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
753 /* all Intel QAT devices VFs */
754 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
755 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
758 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
761 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
763 /* Amazen Elastic Network Adapter */
764 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
767 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
773 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
774 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
779 error = vlib_pci_bind_to_uio (addr, (char *) conf->uio_driver_name);
785 pool_get (conf->dev_confs, devconf);
786 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
787 devconf - conf->dev_confs);
788 devconf->pci_addr.as_u32 = addr->as_u32;
790 devconf->is_blacklisted = 1;
791 clib_error_report (error);
796 vlib_pci_free_device_info (d);
799 static clib_error_t *
800 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
801 unformat_input_t * input, u8 is_default)
803 clib_error_t *error = 0;
805 dpdk_device_config_t *devconf;
806 unformat_input_t sub_input;
810 devconf = &conf->default_devconf;
814 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
818 pool_get (conf->dev_confs, devconf);
819 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
820 devconf - conf->dev_confs);
823 return clib_error_return (0,
824 "duplicate configuration for PCI address %U",
825 format_vlib_pci_addr, &pci_addr);
828 devconf->pci_addr.as_u32 = pci_addr.as_u32;
829 devconf->hqos_enabled = 0;
830 dpdk_device_config_hqos_default (&devconf->hqos);
835 unformat_skip_white_space (input);
836 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
838 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
840 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
842 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
844 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
846 else if (unformat (input, "workers %U", unformat_bitmap_list,
851 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
853 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
857 else if (unformat (input, "vlan-strip-offload off"))
858 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
859 else if (unformat (input, "vlan-strip-offload on"))
860 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
863 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
865 devconf->hqos_enabled = 1;
866 error = unformat_hqos (&sub_input, &devconf->hqos);
870 else if (unformat (input, "hqos"))
872 devconf->hqos_enabled = 1;
876 error = clib_error_return (0, "unknown input `%U'",
877 format_unformat_error, input);
885 if (devconf->workers && devconf->num_rx_queues == 0)
886 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
887 else if (devconf->workers &&
888 clib_bitmap_count_set_bits (devconf->workers) !=
889 devconf->num_rx_queues)
891 clib_error_return (0,
892 "%U: number of worker threadds must be "
893 "equal to number of rx queues", format_vlib_pci_addr,
899 static clib_error_t *
900 dpdk_log_read_ready (clib_file_t * uf)
902 unformat_input_t input;
909 uword len = vec_len (s);
910 vec_resize (s, len + n_try);
912 n = read (uf->file_descriptor, s + len, n_try);
913 if (n < 0 && errno != EAGAIN)
914 return clib_error_return_unix (0, "read");
915 _vec_len (s) = len + (n < 0 ? 0 : n);
918 unformat_init_vector (&input, s);
920 while (unformat_user (&input, unformat_line, &line))
922 dpdk_log_notice ("%v", line);
926 unformat_free (&input);
930 static clib_error_t *
931 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
933 clib_error_t *error = 0;
934 dpdk_main_t *dm = &dpdk_main;
935 dpdk_config_main_t *conf = &dpdk_config_main;
936 vlib_thread_main_t *tm = vlib_get_thread_main ();
937 dpdk_device_config_t *devconf;
938 vlib_pci_addr_t pci_addr;
939 unformat_input_t sub_input;
942 u8 *rte_cmd = 0, *ethname = 0;
945 int num_whitelisted = 0;
951 u8 *huge_dir_path = 0;
954 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
956 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
957 log_level = RTE_LOG_NOTICE;
959 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
962 if (unformat (input, "no-hugetlb"))
964 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
968 else if (unformat (input, "enable-tcp-udp-checksum"))
969 conf->enable_tcp_udp_checksum = 1;
971 else if (unformat (input, "no-tx-checksum-offload"))
972 conf->no_tx_checksum_offload = 1;
974 else if (unformat (input, "decimal-interface-names"))
975 conf->interface_name_format_decimal = 1;
977 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
980 else if (unformat (input, "no-multi-seg"))
981 conf->no_multi_seg = 1;
983 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
987 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
995 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
996 unformat_vlib_cli_sub_input, &sub_input))
998 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1005 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1007 error = dpdk_device_config (conf, pci_addr, 0, 0);
1014 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1016 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1018 else if (unformat (input, "socket-mem %s", &socket_mem))
1020 else if (unformat (input, "no-pci"))
1023 tmp = format (0, "--no-pci%c", 0);
1024 vec_add1 (conf->eal_init_args, tmp);
1026 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep_usec))
1030 else if (unformat(input, #a)) \
1032 tmp = format (0, "--%s%c", #a, 0); \
1033 vec_add1 (conf->eal_init_args, tmp); \
1035 foreach_eal_double_hyphen_predicate_arg
1038 else if (unformat(input, #a " %s", &s)) \
1040 if (!strncmp(#a, "huge-dir", 8)) \
1042 else if (!strncmp(#a, "file-prefix", 11)) \
1044 tmp = format (0, "--%s%c", #a, 0); \
1045 vec_add1 (conf->eal_init_args, tmp); \
1047 if (!strncmp(#a, "vdev", 4)) \
1048 if (strstr((char*)s, "af_packet")) \
1049 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1050 vec_add1 (conf->eal_init_args, s); \
1052 foreach_eal_double_hyphen_arg
1055 else if (unformat(input, #a " %s", &s)) \
1057 tmp = format (0, "-%s%c", #b, 0); \
1058 vec_add1 (conf->eal_init_args, tmp); \
1060 vec_add1 (conf->eal_init_args, s); \
1062 foreach_eal_single_hyphen_arg
1065 else if (unformat(input, #a " %s", &s)) \
1067 tmp = format (0, "-%s%c", #b, 0); \
1068 vec_add1 (conf->eal_init_args, tmp); \
1070 vec_add1 (conf->eal_init_args, s); \
1071 conf->a##_set_manually = 1; \
1073 foreach_eal_single_hyphen_mandatory_arg
1075 else if (unformat (input, "default"))
1078 else if (unformat_skip_white_space (input))
1082 error = clib_error_return (0, "unknown input `%U'",
1083 format_unformat_error, input);
1088 if (!conf->uio_driver_name)
1089 conf->uio_driver_name = format (0, "auto%c", 0);
1092 * Use 1G huge pages if available.
1094 if (!no_huge && !huge_dir)
1096 u32 x, *mem_by_socket = 0;
1100 umount ((char *) huge_dir_path);
1102 /* Process "socket-mem" parameter value */
1103 if (vec_len (socket_mem))
1105 unformat_input_t in;
1106 unformat_init_vector (&in, socket_mem);
1107 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1109 if (unformat (&in, "%u,", &x))
1111 else if (unformat (&in, "%u", &x))
1113 else if (unformat (&in, ","))
1118 vec_add1 (mem_by_socket, x);
1120 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1121 unformat_free (&in);
1127 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1129 vec_validate(mem_by_socket, c);
1130 mem_by_socket[c] = 64; /* default per-socket mem */
1137 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1141 vec_validate(mem_by_socket, c);
1143 e = clib_sysfs_prealloc_hugepages(c, 2 << 10, mem_by_socket[c] / 2);
1145 clib_error_report (e);
1149 if (mem_by_socket == 0)
1151 error = clib_error_return (0, "mem_by_socket NULL");
1154 _vec_len (mem_by_socket) = c + 1;
1156 /* regenerate socket_mem string */
1157 vec_foreach_index (x, mem_by_socket)
1158 socket_mem = format (socket_mem, "%s%u",
1159 socket_mem ? "," : "", mem_by_socket[x]);
1160 socket_mem = format (socket_mem, "%c", 0);
1162 vec_free (mem_by_socket);
1164 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1170 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1174 error = clib_error_return (0, "mount failed %d", errno);
1178 tmp = format (0, "--huge-dir%c", 0);
1179 vec_add1 (conf->eal_init_args, tmp);
1180 tmp = format (0, "%s%c", huge_dir_path, 0);
1181 vec_add1 (conf->eal_init_args, tmp);
1184 tmp = format (0, "--file-prefix%c", 0);
1185 vec_add1 (conf->eal_init_args, tmp);
1186 tmp = format (0, "vpp%c", 0);
1187 vec_add1 (conf->eal_init_args, tmp);
1197 /* I'll bet that -c and -n must be the first and second args... */
1198 if (!conf->coremask_set_manually)
1200 vlib_thread_registration_t *tr;
1201 uword *coremask = 0;
1204 /* main thread core */
1205 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1207 for (i = 0; i < vec_len (tm->registrations); i++)
1209 tr = tm->registrations[i];
1210 coremask = clib_bitmap_or (coremask, tr->coremask);
1213 vec_insert (conf->eal_init_args, 2, 1);
1214 conf->eal_init_args[1] = (u8 *) "-c";
1215 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1216 conf->eal_init_args[2] = tmp;
1217 clib_bitmap_free (coremask);
1220 if (!conf->nchannels_set_manually)
1222 vec_insert (conf->eal_init_args, 2, 3);
1223 conf->eal_init_args[3] = (u8 *) "-n";
1224 tmp = format (0, "%d", conf->nchannels);
1225 conf->eal_init_args[4] = tmp;
1228 if (no_pci == 0 && geteuid () == 0)
1229 dpdk_bind_devices_to_uio (conf);
1232 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1233 devconf->x = conf->default_devconf.x ;
1236 pool_foreach (devconf, conf->dev_confs, ({
1238 /* default per-device config items */
1239 foreach_dpdk_device_config_item
1241 /* add DPDK EAL whitelist/blacklist entry */
1242 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1244 tmp = format (0, "-w%c", 0);
1245 vec_add1 (conf->eal_init_args, tmp);
1246 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1247 vec_add1 (conf->eal_init_args, tmp);
1249 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1251 tmp = format (0, "-b%c", 0);
1252 vec_add1 (conf->eal_init_args, tmp);
1253 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1254 vec_add1 (conf->eal_init_args, tmp);
1261 /* set master-lcore */
1262 tmp = format (0, "--master-lcore%c", 0);
1263 vec_add1 (conf->eal_init_args, tmp);
1264 tmp = format (0, "%u%c", tm->main_lcore, 0);
1265 vec_add1 (conf->eal_init_args, tmp);
1267 /* set socket-mem */
1268 tmp = format (0, "--socket-mem%c", 0);
1269 vec_add1 (conf->eal_init_args, tmp);
1270 tmp = format (0, "%s%c", socket_mem, 0);
1271 vec_add1 (conf->eal_init_args, tmp);
1273 /* NULL terminate the "argv" vector, in case of stupidity */
1274 vec_add1 (conf->eal_init_args, 0);
1275 _vec_len (conf->eal_init_args) -= 1;
1277 /* Set up DPDK eal and packet mbuf pool early. */
1279 rte_log_set_global_level (log_level);
1280 int log_fds[2] = { 0 };
1281 if (pipe (log_fds) == 0)
1283 FILE *f = fdopen (log_fds[1], "a");
1284 if (f && rte_openlog_stream (f) == 0)
1286 clib_file_t t = { 0 };
1287 t.read_function = dpdk_log_read_ready;
1288 t.file_descriptor = log_fds[0];
1289 t.description = format (0, "DPDK logging pipe");
1290 clib_file_add (&file_main, &t);
1294 vm = vlib_get_main ();
1296 /* make copy of args as rte_eal_init tends to mess up with arg array */
1297 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1298 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1299 conf->eal_init_args[i]);
1301 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1302 ret = rte_eal_init (vec_len (conf->eal_init_args),
1303 (char **) conf->eal_init_args);
1305 /* lazy umount hugepages */
1306 umount2 ((char *) huge_dir_path, MNT_DETACH);
1307 rmdir ((char *) huge_dir_path);
1308 vec_free (huge_dir_path);
1311 return clib_error_return (0, "rte_eal_init returned %d", ret);
1313 /* set custom ring memory allocator */
1315 struct rte_mempool_ops *ops = NULL;
1317 ops = get_ops_by_name ("ring_sp_sc");
1318 ops->alloc = dpdk_ring_alloc;
1320 ops = get_ops_by_name ("ring_mp_sc");
1321 ops->alloc = dpdk_ring_alloc;
1323 ops = get_ops_by_name ("ring_sp_mc");
1324 ops->alloc = dpdk_ring_alloc;
1326 ops = get_ops_by_name ("ring_mp_mc");
1327 ops->alloc = dpdk_ring_alloc;
1330 /* main thread 1st */
1331 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1335 for (i = 0; i < RTE_MAX_LCORE; i++)
1337 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1338 rte_lcore_to_socket_id (i));
1347 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1350 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1352 vnet_main_t *vnm = vnet_get_main ();
1353 struct rte_eth_link prev_link = xd->link;
1355 u8 hw_flags_chg = 0;
1357 /* only update link state for PMD interfaces */
1358 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1361 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1362 memset (&xd->link, 0, sizeof (xd->link));
1363 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1365 if (LINK_STATE_ELOGS)
1367 vlib_main_t *vm = vlib_get_main ();
1368 ELOG_TYPE_DECLARE (e) =
1371 "update-link-state: sw_if_index %d, admin_up %d,"
1372 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1381 ed = ELOG_DATA (&vm->elog_main, e);
1382 ed->sw_if_index = xd->sw_if_index;
1383 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1384 ed->old_link_state = (u8)
1385 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1386 ed->new_link_state = (u8) xd->link.link_status;
1389 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1390 && ((xd->link.link_status != 0) ^
1391 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1394 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1397 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1400 switch (xd->link.link_duplex)
1402 case ETH_LINK_HALF_DUPLEX:
1403 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1405 case ETH_LINK_FULL_DUPLEX:
1406 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1412 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1415 switch (xd->link.link_speed)
1417 case ETH_SPEED_NUM_10M:
1418 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1420 case ETH_SPEED_NUM_100M:
1421 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1423 case ETH_SPEED_NUM_1G:
1424 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1426 case ETH_SPEED_NUM_2_5G:
1427 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_2_5G;
1429 case ETH_SPEED_NUM_5G:
1430 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_5G;
1432 case ETH_SPEED_NUM_10G:
1433 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1435 case ETH_SPEED_NUM_20G:
1436 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_20G;
1438 case ETH_SPEED_NUM_25G:
1439 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_25G;
1441 case ETH_SPEED_NUM_40G:
1442 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1444 case ETH_SPEED_NUM_50G:
1445 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_50G;
1447 case ETH_SPEED_NUM_56G:
1448 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_56G;
1450 case ETH_SPEED_NUM_100G:
1451 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100G;
1456 dpdk_log_warn ("unknown link speed %d", xd->link.link_speed);
1462 if (LINK_STATE_ELOGS)
1464 vlib_main_t *vm = vlib_get_main ();
1466 ELOG_TYPE_DECLARE (e) =
1469 "update-link-state: sw_if_index %d, new flags %d",.format_args
1477 ed = ELOG_DATA (&vm->elog_main, e);
1478 ed->sw_if_index = xd->sw_if_index;
1479 ed->flags = hw_flags;
1481 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1486 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1488 clib_error_t *error;
1489 vnet_main_t *vnm = vnet_get_main ();
1490 dpdk_main_t *dm = &dpdk_main;
1491 ethernet_main_t *em = ðernet_main;
1493 vlib_thread_main_t *tm = vlib_get_thread_main ();
1496 error = dpdk_lib_init (dm);
1499 clib_error_report (error);
1501 tm->worker_thread_release = 1;
1503 f64 now = vlib_time_now (vm);
1504 vec_foreach (xd, dm->devices)
1506 dpdk_update_link_state (xd, now);
1511 * Extra set up for bond interfaces:
1512 * 1. Setup MACs for bond interfaces and their slave links which was set
1513 * in dpdk_device_setup() but needs to be done again here to take
1515 * 2. Set up info and register slave link state change callback handling.
1516 * 3. Set up info for bond interface related CLI support.
1518 int nports = rte_eth_dev_count ();
1521 for (i = 0; i < nports; i++)
1523 xd = &dm->devices[i];
1524 ASSERT (i == xd->device_index);
1525 if (xd->pmd == VNET_DPDK_PMD_BOND)
1528 dpdk_portid_t slink[16];
1529 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1532 vnet_hw_interface_t *bhi;
1533 ethernet_interface_t *bei;
1536 /* Get MAC of 1st slave link */
1538 (slink[0], (struct ether_addr *) addr);
1540 /* Set MAC of bounded interface to that of 1st slave link */
1541 dpdk_log_info ("Set MAC for bond port %d BondEthernet%d",
1543 rv = rte_eth_bond_mac_address_set
1544 (i, (struct ether_addr *) addr);
1546 dpdk_log_warn ("Set MAC addr failure rv=%d", rv);
1548 /* Populate MAC of bonded interface in VPP hw tables */
1549 bhi = vnet_get_hw_interface
1550 (vnm, dm->devices[i].hw_if_index);
1551 bei = pool_elt_at_index
1552 (em->interfaces, bhi->hw_instance);
1553 clib_memcpy (bhi->hw_address, addr, 6);
1554 clib_memcpy (bei->address, addr, 6);
1556 /* Init l3 packet size allowed on bonded interface */
1557 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1558 bhi->max_l3_packet_bytes[VLIB_RX] =
1559 bhi->max_l3_packet_bytes[VLIB_TX] =
1560 ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
1562 { /* for all slave links */
1563 int slave = slink[--nlink];
1564 dpdk_device_t *sdev = &dm->devices[slave];
1565 vnet_hw_interface_t *shi;
1566 vnet_sw_interface_t *ssi;
1567 ethernet_interface_t *sei;
1568 /* Add MAC to all slave links except the first one */
1571 dpdk_log_info ("Add MAC for slave port %d",
1573 rv = rte_eth_dev_mac_addr_add
1574 (slave, (struct ether_addr *) addr, 0);
1576 dpdk_log_warn ("Add MAC addr failure rv=%d",
1579 /* Setup slave link state change callback handling */
1580 rte_eth_dev_callback_register
1581 (slave, RTE_ETH_EVENT_INTR_LSC,
1582 dpdk_port_state_callback, NULL);
1583 dpdk_device_t *sxd = &dm->devices[slave];
1584 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1586 /* Set slaves bitmap for bonded interface */
1587 bhi->bond_info = clib_bitmap_set
1588 (bhi->bond_info, sdev->hw_if_index, 1);
1589 /* Set MACs and slave link flags on slave interface */
1590 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1591 ssi = vnet_get_sw_interface (vnm, sdev->sw_if_index);
1592 sei = pool_elt_at_index
1593 (em->interfaces, shi->hw_instance);
1594 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1595 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1596 clib_memcpy (shi->hw_address, addr, 6);
1597 clib_memcpy (sei->address, addr, 6);
1598 /* Set l3 packet size allowed as the lowest of slave */
1599 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1600 shi->max_l3_packet_bytes[VLIB_RX])
1601 bhi->max_l3_packet_bytes[VLIB_RX] =
1602 bhi->max_l3_packet_bytes[VLIB_TX] =
1603 shi->max_l3_packet_bytes[VLIB_RX];
1604 /* Set max packet size allowed as the lowest of slave */
1605 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1606 bhi->max_packet_bytes = shi->max_packet_bytes;
1617 * check each time through the loop in case intervals are changed
1619 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1620 dm->link_state_poll_interval : dm->stat_poll_interval;
1622 vlib_process_wait_for_event_or_clock (vm, min_wait);
1624 if (dm->admin_up_down_in_progress)
1625 /* skip the poll if an admin up down is in progress (on any interface) */
1628 vec_foreach (xd, dm->devices)
1630 f64 now = vlib_time_now (vm);
1631 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1632 dpdk_update_counters (xd, now);
1633 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1634 dpdk_update_link_state (xd, now);
1643 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1644 .function = dpdk_process,
1645 .type = VLIB_NODE_TYPE_PROCESS,
1646 .name = "dpdk-process",
1647 .process_log2_n_stack_bytes = 17,
1651 static clib_error_t *
1652 dpdk_init (vlib_main_t * vm)
1654 dpdk_main_t *dm = &dpdk_main;
1655 clib_error_t *error = 0;
1656 vlib_thread_main_t *tm = vlib_get_thread_main ();
1658 /* verify that structs are cacheline aligned */
1659 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1660 "Cache line marker must be 1st element in dpdk_device_t");
1661 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1662 CLIB_CACHE_LINE_BYTES,
1663 "Data in cache line 0 is bigger than cache line size");
1664 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1665 "Cache line marker must be 1st element in frame_queue_trace_t");
1668 dm->vnet_main = vnet_get_main ();
1669 dm->conf = &dpdk_config_main;
1671 dm->conf->nchannels = 4;
1672 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1673 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1675 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1677 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1678 dm->buffer_flags_template =
1679 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1680 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1681 VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
1683 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1684 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1687 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1690 dm->log_default = vlib_log_register_class ("dpdk", 0);
1695 VLIB_INIT_FUNCTION (dpdk_init);
1699 * fd.io coding-style-patch-verification: ON
1702 * eval: (c-set-style "gnu")