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>
23 #include <vnet/ethernet/ethernet.h>
24 #include <dpdk/device/dpdk.h>
25 #include <vlib/pci/pci.h>
33 #include <sys/mount.h>
37 #include <dpdk/device/dpdk_priv.h>
39 dpdk_main_t dpdk_main;
40 dpdk_config_main_t dpdk_config_main;
42 #define LINK_STATE_ELOGS 0
44 /* Port configuration, mildly modified Intel app values */
46 static struct rte_eth_conf port_conf_template = {
49 .header_split = 0, /**< Header Split disabled */
50 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
51 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
52 .hw_strip_crc = 0, /**< CRC stripped by hardware */
55 .mq_mode = ETH_MQ_TX_NONE,
59 static dpdk_port_type_t
60 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
63 if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
64 return VNET_DPDK_PORT_TYPE_ETH_100G;
65 else if (dev_info->speed_capa & ETH_LINK_SPEED_50G)
66 return VNET_DPDK_PORT_TYPE_ETH_50G;
67 else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
68 return VNET_DPDK_PORT_TYPE_ETH_40G;
69 else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
70 return VNET_DPDK_PORT_TYPE_ETH_25G;
71 else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
72 return VNET_DPDK_PORT_TYPE_ETH_10G;
73 else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
74 return VNET_DPDK_PORT_TYPE_ETH_1G;
76 return VNET_DPDK_PORT_TYPE_UNKNOWN;
81 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
83 dpdk_main_t *dm = &dpdk_main;
84 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
87 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
89 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
91 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
92 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
94 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
96 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
98 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
99 rte_eth_promiscuous_enable (xd->device_index);
101 rte_eth_promiscuous_disable (xd->device_index);
104 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
106 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
107 dpdk_device_setup (xd);
113 dpdk_device_lock_init (dpdk_device_t * xd)
116 vec_validate (xd->lockp, xd->tx_q_used - 1);
117 for (q = 0; q < xd->tx_q_used; q++)
119 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
120 CLIB_CACHE_LINE_BYTES);
121 memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
125 static struct rte_mempool_ops *
126 get_ops_by_name (i8 * ops_name)
130 for (i = 0; i < rte_mempool_ops_table.num_ops; i++)
132 if (!strcmp (ops_name, rte_mempool_ops_table.ops[i].name))
133 return &rte_mempool_ops_table.ops[i];
140 dpdk_ring_alloc (struct rte_mempool *mp)
142 u32 rg_flags = 0, count;
144 i8 rg_name[RTE_RING_NAMESIZE];
147 ret = snprintf (rg_name, sizeof (rg_name), RTE_MEMPOOL_MZ_FORMAT, mp->name);
148 if (ret < 0 || ret >= (i32) sizeof (rg_name))
149 return -ENAMETOOLONG;
152 if (mp->flags & MEMPOOL_F_SP_PUT)
153 rg_flags |= RING_F_SP_ENQ;
154 if (mp->flags & MEMPOOL_F_SC_GET)
155 rg_flags |= RING_F_SC_DEQ;
157 count = rte_align32pow2 (mp->size + 1);
159 * Allocate the ring that will be used to store objects.
160 * Ring functions will return appropriate errors if we are
161 * running as a secondary process etc., so no checks made
162 * in this function for that condition.
164 /* XXX can we get memory from the right socket? */
165 r = clib_mem_alloc_aligned (rte_ring_get_memsize (count),
166 CLIB_CACHE_LINE_BYTES);
168 /* XXX rte_ring_lookup will not work */
170 ret = rte_ring_init (r, rg_name, count, rg_flags);
179 static clib_error_t *
180 dpdk_lib_init (dpdk_main_t * dm)
183 u32 mtu, max_rx_frame;
187 vlib_main_t *vm = vlib_get_main ();
188 vlib_thread_main_t *tm = vlib_get_thread_main ();
189 vnet_device_main_t *vdm = &vnet_device_main;
190 vnet_sw_interface_t *sw;
191 vnet_hw_interface_t *hi;
193 vlib_pci_addr_t last_pci_addr;
194 u32 last_pci_addr_port = 0;
195 vlib_thread_registration_t *tr_hqos;
198 u32 next_hqos_cpu = 0;
199 u8 af_packet_port_id = 0;
200 u8 bond_ether_port_id = 0;
201 last_pci_addr.as_u32 = ~0;
203 dm->hqos_cpu_first_index = 0;
204 dm->hqos_cpu_count = 0;
206 /* find out which cpus will be used for I/O TX */
207 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
208 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
210 if (tr_hqos && tr_hqos->count > 0)
212 dm->hqos_cpu_first_index = tr_hqos->first_index;
213 dm->hqos_cpu_count = tr_hqos->count;
216 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
217 CLIB_CACHE_LINE_BYTES);
219 nports = rte_eth_dev_count ();
222 clib_warning ("DPDK drivers found no ports...");
226 clib_warning ("DPDK drivers found %d ports...", nports);
228 if (dm->conf->enable_tcp_udp_checksum)
229 dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
230 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
232 /* vlib_buffer_t template */
233 vec_validate_aligned (dm->buffer_templates, tm->n_vlib_mains - 1,
234 CLIB_CACHE_LINE_BYTES);
235 for (i = 0; i < tm->n_vlib_mains; i++)
237 vlib_buffer_free_list_t *fl;
238 vlib_buffer_t *bt = vec_elt_at_index (dm->buffer_templates, i);
239 fl = vlib_buffer_get_free_list (vm,
240 VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
241 vlib_buffer_init_for_free_list (bt, fl);
242 bt->flags = dm->buffer_flags_template;
243 vnet_buffer (bt)->sw_if_index[VLIB_TX] = (u32) ~ 0;
246 for (i = 0; i < nports; i++)
251 struct rte_eth_dev_info dev_info;
252 struct rte_eth_link l;
253 dpdk_device_config_t *devconf = 0;
254 vlib_pci_addr_t pci_addr;
257 rte_eth_dev_info_get (i, &dev_info);
258 if (dev_info.pci_dev) /* bonded interface has no pci info */
260 pci_addr.domain = dev_info.pci_dev->addr.domain;
261 pci_addr.bus = dev_info.pci_dev->addr.bus;
262 pci_addr.slot = dev_info.pci_dev->addr.devid;
263 pci_addr.function = dev_info.pci_dev->addr.function;
265 hash_get (dm->conf->device_config_index_by_pci_addr,
270 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
272 devconf = &dm->conf->default_devconf;
274 /* Create vnet interface */
275 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
276 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
277 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
278 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
280 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
281 if (dev_info.pci_dev)
283 struct rte_eth_dev_info di = { 0 };
284 rte_eth_dev_info_get (i + 1, &di);
285 if (di.pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
286 memcmp (&dev_info.pci_dev->addr, &di.pci_dev->addr,
287 sizeof (struct rte_pci_addr)) == 0)
289 xd->interface_name_suffix = format (0, "0");
290 last_pci_addr.as_u32 = pci_addr.as_u32;
291 last_pci_addr_port = i;
293 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
295 xd->interface_name_suffix =
296 format (0, "%u", i - last_pci_addr_port);
300 last_pci_addr.as_u32 = ~0;
304 last_pci_addr.as_u32 = ~0;
306 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
307 sizeof (struct rte_eth_txconf));
309 if (dm->conf->no_multi_seg)
311 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
312 port_conf_template.rxmode.jumbo_frame = 0;
313 port_conf_template.rxmode.enable_scatter = 0;
317 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
318 port_conf_template.rxmode.jumbo_frame = 1;
319 port_conf_template.rxmode.enable_scatter = 1;
320 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
323 clib_memcpy (&xd->port_conf, &port_conf_template,
324 sizeof (struct rte_eth_conf));
326 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
328 if (devconf->num_tx_queues > 0
329 && devconf->num_tx_queues < xd->tx_q_used)
330 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
332 if (devconf->num_rx_queues > 1
333 && dev_info.max_rx_queues >= devconf->num_rx_queues)
335 xd->rx_q_used = devconf->num_rx_queues;
336 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
337 if (devconf->rss_fn == 0)
338 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
339 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
341 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
346 xd->flags |= DPDK_DEVICE_FLAG_PMD;
348 /* workaround for drivers not setting driver_name */
349 if ((!dev_info.driver_name) && (dev_info.pci_dev))
350 dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
352 ASSERT (dev_info.driver_name);
358 #define _(s,f) else if (dev_info.driver_name && \
359 !strcmp(dev_info.driver_name, s)) \
360 xd->pmd = VNET_DPDK_PMD_##f;
366 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
368 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
369 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
370 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
374 /* Drivers with valid speed_capa set */
375 case VNET_DPDK_PMD_E1000EM:
376 case VNET_DPDK_PMD_IGB:
377 case VNET_DPDK_PMD_IXGBE:
378 case VNET_DPDK_PMD_I40E:
379 xd->port_type = port_type_from_speed_capa (&dev_info);
380 if (dm->conf->no_tx_checksum_offload == 0)
382 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOXSUMS;
384 DPDK_DEVICE_FLAG_TX_OFFLOAD |
385 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
390 case VNET_DPDK_PMD_CXGBE:
391 case VNET_DPDK_PMD_MLX4:
392 case VNET_DPDK_PMD_MLX5:
393 xd->port_type = port_type_from_speed_capa (&dev_info);
397 case VNET_DPDK_PMD_IGBVF:
398 case VNET_DPDK_PMD_IXGBEVF:
399 case VNET_DPDK_PMD_I40EVF:
400 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
401 xd->port_conf.rxmode.hw_strip_crc = 1;
404 case VNET_DPDK_PMD_THUNDERX:
405 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
406 xd->port_conf.rxmode.hw_strip_crc = 1;
409 case VNET_DPDK_PMD_ENA:
410 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
411 xd->port_conf.rxmode.enable_scatter = 0;
414 case VNET_DPDK_PMD_DPAA2:
415 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
419 case VNET_DPDK_PMD_ENIC:
420 rte_eth_link_get_nowait (i, &l);
421 if (l.link_speed == 40000)
422 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
424 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
427 /* Intel Red Rock Canyon */
428 case VNET_DPDK_PMD_FM10K:
429 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
430 xd->port_conf.rxmode.hw_strip_crc = 1;
434 case VNET_DPDK_PMD_VIRTIO:
435 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
436 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
437 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
441 case VNET_DPDK_PMD_VMXNET3:
442 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
443 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
446 case VNET_DPDK_PMD_AF_PACKET:
447 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
448 xd->port_id = af_packet_port_id++;
451 case VNET_DPDK_PMD_BOND:
452 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
453 xd->port_id = bond_ether_port_id++;
456 case VNET_DPDK_PMD_VIRTIO_USER:
457 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
461 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
464 if (devconf->num_rx_desc)
465 xd->nb_rx_desc = devconf->num_rx_desc;
467 if (devconf->num_tx_desc)
468 xd->nb_tx_desc = devconf->num_tx_desc;
471 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
473 f64 now = vlib_time_now (vm);
475 rnd = (u32) (now * 1e6);
476 rnd = random_u32 (&rnd);
477 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
482 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
484 if (xd->tx_q_used < tm->n_vlib_mains)
485 dpdk_device_lock_init (xd);
487 xd->device_index = xd - dm->devices;
488 ASSERT (i == xd->device_index);
489 xd->per_interface_next_index = ~0;
491 /* assign interface to input thread */
494 if (devconf->hqos_enabled)
496 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
499 if (devconf->hqos.hqos_thread_valid)
501 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
502 return clib_error_return (0, "invalid HQoS thread index");
504 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
508 if (dm->hqos_cpu_count == 0)
509 return clib_error_return (0, "no HQoS threads available");
511 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
514 if (next_hqos_cpu == dm->hqos_cpu_count)
517 devconf->hqos.hqos_thread_valid = 1;
518 devconf->hqos.hqos_thread = cpu;
521 dpdk_device_and_queue_t *dq;
522 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
523 dq->device = xd->device_index;
527 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
528 CLIB_CACHE_LINE_BYTES);
529 for (j = 0; j < tm->n_vlib_mains; j++)
531 vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
532 sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
533 vec_reset_length (xd->tx_vectors[j]);
536 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
537 CLIB_CACHE_LINE_BYTES);
538 for (j = 0; j < xd->rx_q_used; j++)
540 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
541 CLIB_CACHE_LINE_BYTES);
542 vec_reset_length (xd->rx_vectors[j]);
545 /* count the number of descriptors used for this device */
546 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
548 error = ethernet_register_interface
549 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
550 /* ethernet address */ addr,
551 &xd->hw_if_index, dpdk_flag_change);
556 * Ensure default mtu is not > the mtu read from the hardware.
557 * Otherwise rte_eth_dev_configure() will fail and the port will
559 * Calculate max_frame_size and mtu supported by NIC
561 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
564 * This device does not support the platforms's max frame
565 * size. Use it's advertised mru instead.
567 max_rx_frame = dev_info.max_rx_pktlen;
568 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
572 /* VPP treats MTU and max_rx_pktlen both equal to
573 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
574 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
576 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
577 sizeof (ethernet_header_t)))
579 mtu = ETHERNET_MAX_PACKET_BYTES;
580 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
583 * Some platforms do not account for Ethernet FCS (4 bytes) in
584 * MTU calculations. To interop with them increase mru but only
585 * if the device's settings can support it.
587 if (xd->port_conf.rxmode.hw_strip_crc &&
588 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
589 sizeof (ethernet_header_t) +
597 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
598 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
600 if (xd->port_conf.rxmode.hw_strip_crc &&
601 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
607 /*Set port rxmode config */
608 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
610 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
611 xd->vlib_sw_if_index = sw->sw_if_index;
612 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
613 dpdk_input_node.index);
615 if (devconf->workers)
620 clib_bitmap_foreach (i, devconf->workers, ({
621 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
622 vdm->first_worker_thread_index + i);
627 for (q = 0; q < xd->rx_q_used; q++)
629 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
633 /*Get vnet hardware interface */
634 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
636 /*Override default max_packet_bytes and max_supported_bytes set in
637 * ethernet_register_interface() above*/
640 hi->max_packet_bytes = max_rx_frame;
641 hi->max_supported_packet_bytes = max_rx_frame;
644 if (dm->conf->no_tx_checksum_offload == 0)
645 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD)
646 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
648 dpdk_device_setup (xd);
650 if (vec_len (xd->errors))
651 clib_warning ("setup failed for device %U. Errors:\n %U",
652 format_dpdk_device_name, i,
653 format_dpdk_device_errors, xd);
655 if (devconf->hqos_enabled)
658 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
664 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
665 * specified otherwise in the startup config.
666 * For other NICs default to VLAN strip disabled, unless specified
667 * otherwis in the startup config.
669 if (xd->pmd == VNET_DPDK_PMD_ENIC)
671 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
672 vlan_strip = 1; /* remove vlan tag from VIC port by default */
674 clib_warning ("VLAN strip disabled for interface\n");
676 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
682 vlan_off = rte_eth_dev_get_vlan_offload (xd->device_index);
683 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
684 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
685 if (rte_eth_dev_set_vlan_offload (xd->device_index, vlan_off) == 0)
686 clib_warning ("VLAN strip enabled for interface\n");
688 clib_warning ("VLAN strip cannot be supported by interface\n");
691 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
692 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
694 rte_eth_dev_set_mtu (xd->device_index, mtu);
697 if (nb_desc > dm->conf->num_mbufs)
698 clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
699 dm->conf->num_mbufs, nb_desc);
705 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
709 int num_whitelisted = vec_len (conf->dev_confs);
710 vlib_pci_device_info_t *d = 0;
711 vlib_pci_addr_t *addr = 0, *addrs;
713 addrs = vlib_pci_get_all_dev_addrs ();
715 vec_foreach (addr, addrs)
717 dpdk_device_config_t * devconf = 0;
718 vec_reset_length (pci_addr);
719 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
722 vlib_pci_free_device_info (d);
725 d = vlib_pci_get_device_info (addr, &error);
728 clib_error_report (error);
732 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
737 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
742 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
746 if (d->vendor_id == 0x1af4 &&
747 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
748 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
751 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
753 /* all Intel network devices */
754 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
756 /* all Intel QAT devices VFs */
757 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
758 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
761 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
764 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
766 /* Amazen Elastic Network Adapter */
767 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
770 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
776 clib_warning ("Unsupported PCI device 0x%04x:0x%04x found "
777 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
782 error = vlib_pci_bind_to_uio (addr, (char *) conf->uio_driver_name);
788 pool_get (conf->dev_confs, devconf);
789 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
790 devconf - conf->dev_confs);
791 devconf->pci_addr.as_u32 = addr->as_u32;
793 devconf->is_blacklisted = 1;
794 clib_error_report (error);
799 vlib_pci_free_device_info (d);
802 static clib_error_t *
803 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
804 unformat_input_t * input, u8 is_default)
806 clib_error_t *error = 0;
808 dpdk_device_config_t *devconf;
809 unformat_input_t sub_input;
813 devconf = &conf->default_devconf;
817 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
821 pool_get (conf->dev_confs, devconf);
822 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
823 devconf - conf->dev_confs);
826 return clib_error_return (0,
827 "duplicate configuration for PCI address %U",
828 format_vlib_pci_addr, &pci_addr);
831 devconf->pci_addr.as_u32 = pci_addr.as_u32;
832 devconf->hqos_enabled = 0;
833 dpdk_device_config_hqos_default (&devconf->hqos);
838 unformat_skip_white_space (input);
839 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
841 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
843 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
845 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
847 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
849 else if (unformat (input, "workers %U", unformat_bitmap_list,
854 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
856 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
860 else if (unformat (input, "vlan-strip-offload off"))
861 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
862 else if (unformat (input, "vlan-strip-offload on"))
863 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
866 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
868 devconf->hqos_enabled = 1;
869 error = unformat_hqos (&sub_input, &devconf->hqos);
873 else if (unformat (input, "hqos"))
875 devconf->hqos_enabled = 1;
879 error = clib_error_return (0, "unknown input `%U'",
880 format_unformat_error, input);
888 if (devconf->workers && devconf->num_rx_queues == 0)
889 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
890 else if (devconf->workers &&
891 clib_bitmap_count_set_bits (devconf->workers) !=
892 devconf->num_rx_queues)
894 clib_error_return (0,
895 "%U: number of worker threadds must be "
896 "equal to number of rx queues", format_vlib_pci_addr,
902 static clib_error_t *
903 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
905 clib_error_t *error = 0;
906 dpdk_main_t *dm = &dpdk_main;
907 dpdk_config_main_t *conf = &dpdk_config_main;
908 vlib_thread_main_t *tm = vlib_get_thread_main ();
909 dpdk_device_config_t *devconf;
910 vlib_pci_addr_t pci_addr;
911 unformat_input_t sub_input;
914 u8 *rte_cmd = 0, *ethname = 0;
917 int num_whitelisted = 0;
923 u8 *huge_dir_path = 0;
926 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
928 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
929 log_level = RTE_LOG_NOTICE;
931 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
934 if (unformat (input, "no-hugetlb"))
936 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
940 else if (unformat (input, "enable-tcp-udp-checksum"))
941 conf->enable_tcp_udp_checksum = 1;
943 else if (unformat (input, "no-tx-checksum-offload"))
944 conf->no_tx_checksum_offload = 1;
946 else if (unformat (input, "decimal-interface-names"))
947 conf->interface_name_format_decimal = 1;
949 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
952 else if (unformat (input, "no-multi-seg"))
953 conf->no_multi_seg = 1;
955 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
959 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
967 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
968 unformat_vlib_cli_sub_input, &sub_input))
970 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
977 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
979 error = dpdk_device_config (conf, pci_addr, 0, 0);
986 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
988 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
990 else if (unformat (input, "socket-mem %s", &socket_mem))
992 else if (unformat (input, "no-pci"))
995 tmp = format (0, "--no-pci%c", 0);
996 vec_add1 (conf->eal_init_args, tmp);
998 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep_usec))
1002 else if (unformat(input, #a)) \
1004 tmp = format (0, "--%s%c", #a, 0); \
1005 vec_add1 (conf->eal_init_args, tmp); \
1007 foreach_eal_double_hyphen_predicate_arg
1010 else if (unformat(input, #a " %s", &s)) \
1012 if (!strncmp(#a, "huge-dir", 8)) \
1014 else if (!strncmp(#a, "file-prefix", 11)) \
1016 tmp = format (0, "--%s%c", #a, 0); \
1017 vec_add1 (conf->eal_init_args, tmp); \
1019 if (!strncmp(#a, "vdev", 4)) \
1020 if (strstr((char*)s, "af_packet")) \
1021 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1022 vec_add1 (conf->eal_init_args, s); \
1024 foreach_eal_double_hyphen_arg
1027 else if (unformat(input, #a " %s", &s)) \
1029 tmp = format (0, "-%s%c", #b, 0); \
1030 vec_add1 (conf->eal_init_args, tmp); \
1032 vec_add1 (conf->eal_init_args, s); \
1034 foreach_eal_single_hyphen_arg
1037 else if (unformat(input, #a " %s", &s)) \
1039 tmp = format (0, "-%s%c", #b, 0); \
1040 vec_add1 (conf->eal_init_args, tmp); \
1042 vec_add1 (conf->eal_init_args, s); \
1043 conf->a##_set_manually = 1; \
1045 foreach_eal_single_hyphen_mandatory_arg
1047 else if (unformat (input, "default"))
1050 else if (unformat_skip_white_space (input))
1054 error = clib_error_return (0, "unknown input `%U'",
1055 format_unformat_error, input);
1060 if (!conf->uio_driver_name)
1061 conf->uio_driver_name = format (0, "auto%c", 0);
1064 * Use 1G huge pages if available.
1066 if (!no_huge && !huge_dir)
1068 u32 x, *mem_by_socket = 0;
1072 umount ((char *) huge_dir_path);
1074 /* Process "socket-mem" parameter value */
1075 if (vec_len (socket_mem))
1077 unformat_input_t in;
1078 unformat_init_vector (&in, socket_mem);
1079 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1081 if (unformat (&in, "%u,", &x))
1083 else if (unformat (&in, "%u", &x))
1085 else if (unformat (&in, ","))
1090 vec_add1 (mem_by_socket, x);
1092 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1093 unformat_free (&in);
1099 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1101 vec_validate(mem_by_socket, c);
1102 mem_by_socket[c] = 64; /* default per-socket mem */
1109 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1113 vec_validate(mem_by_socket, c);
1115 e = clib_sysfs_prealloc_hugepages(c, 2 << 10, mem_by_socket[c] / 2);
1117 clib_error_report (e);
1121 if (mem_by_socket == 0)
1123 error = clib_error_return (0, "mem_by_socket NULL");
1126 _vec_len (mem_by_socket) = c + 1;
1128 /* regenerate socket_mem string */
1129 vec_foreach_index (x, mem_by_socket)
1130 socket_mem = format (socket_mem, "%s%u",
1131 socket_mem ? "," : "", mem_by_socket[x]);
1132 socket_mem = format (socket_mem, "%c", 0);
1134 vec_free (mem_by_socket);
1136 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1142 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1146 error = clib_error_return (0, "mount failed %d", errno);
1150 tmp = format (0, "--huge-dir%c", 0);
1151 vec_add1 (conf->eal_init_args, tmp);
1152 tmp = format (0, "%s%c", huge_dir_path, 0);
1153 vec_add1 (conf->eal_init_args, tmp);
1156 tmp = format (0, "--file-prefix%c", 0);
1157 vec_add1 (conf->eal_init_args, tmp);
1158 tmp = format (0, "vpp%c", 0);
1159 vec_add1 (conf->eal_init_args, tmp);
1169 /* I'll bet that -c and -n must be the first and second args... */
1170 if (!conf->coremask_set_manually)
1172 vlib_thread_registration_t *tr;
1173 uword *coremask = 0;
1176 /* main thread core */
1177 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1179 for (i = 0; i < vec_len (tm->registrations); i++)
1181 tr = tm->registrations[i];
1182 coremask = clib_bitmap_or (coremask, tr->coremask);
1185 vec_insert (conf->eal_init_args, 2, 1);
1186 conf->eal_init_args[1] = (u8 *) "-c";
1187 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1188 conf->eal_init_args[2] = tmp;
1189 clib_bitmap_free (coremask);
1192 if (!conf->nchannels_set_manually)
1194 vec_insert (conf->eal_init_args, 2, 3);
1195 conf->eal_init_args[3] = (u8 *) "-n";
1196 tmp = format (0, "%d", conf->nchannels);
1197 conf->eal_init_args[4] = tmp;
1200 if (no_pci == 0 && geteuid () == 0)
1201 dpdk_bind_devices_to_uio (conf);
1204 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1205 devconf->x = conf->default_devconf.x ;
1208 pool_foreach (devconf, conf->dev_confs, ({
1210 /* default per-device config items */
1211 foreach_dpdk_device_config_item
1213 /* add DPDK EAL whitelist/blacklist entry */
1214 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1216 tmp = format (0, "-w%c", 0);
1217 vec_add1 (conf->eal_init_args, tmp);
1218 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1219 vec_add1 (conf->eal_init_args, tmp);
1221 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1223 tmp = format (0, "-b%c", 0);
1224 vec_add1 (conf->eal_init_args, tmp);
1225 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1226 vec_add1 (conf->eal_init_args, tmp);
1233 /* set master-lcore */
1234 tmp = format (0, "--master-lcore%c", 0);
1235 vec_add1 (conf->eal_init_args, tmp);
1236 tmp = format (0, "%u%c", tm->main_lcore, 0);
1237 vec_add1 (conf->eal_init_args, tmp);
1239 /* set socket-mem */
1240 tmp = format (0, "--socket-mem%c", 0);
1241 vec_add1 (conf->eal_init_args, tmp);
1242 tmp = format (0, "%s%c", socket_mem, 0);
1243 vec_add1 (conf->eal_init_args, tmp);
1245 /* NULL terminate the "argv" vector, in case of stupidity */
1246 vec_add1 (conf->eal_init_args, 0);
1247 _vec_len (conf->eal_init_args) -= 1;
1249 /* Set up DPDK eal and packet mbuf pool early. */
1251 rte_log_set_global_level (log_level);
1253 vm = vlib_get_main ();
1255 /* make copy of args as rte_eal_init tends to mess up with arg array */
1256 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1257 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1258 conf->eal_init_args[i]);
1260 clib_warning ("EAL init args: %s", conf->eal_init_args_str);
1262 rte_eal_init (vec_len (conf->eal_init_args),
1263 (char **) conf->eal_init_args);
1265 /* lazy umount hugepages */
1266 umount2 ((char *) huge_dir_path, MNT_DETACH);
1267 rmdir ((char *) huge_dir_path);
1268 vec_free (huge_dir_path);
1271 return clib_error_return (0, "rte_eal_init returned %d", ret);
1273 /* Dump the physical memory layout prior to creating the mbuf_pool */
1274 fprintf (stdout, "DPDK physical memory layout:\n");
1275 rte_dump_physmem_layout (stdout);
1277 /* set custom ring memory allocator */
1279 struct rte_mempool_ops *ops = NULL;
1281 ops = get_ops_by_name ("ring_sp_sc");
1282 ops->alloc = dpdk_ring_alloc;
1284 ops = get_ops_by_name ("ring_mp_sc");
1285 ops->alloc = dpdk_ring_alloc;
1287 ops = get_ops_by_name ("ring_sp_mc");
1288 ops->alloc = dpdk_ring_alloc;
1290 ops = get_ops_by_name ("ring_mp_mc");
1291 ops->alloc = dpdk_ring_alloc;
1294 /* main thread 1st */
1295 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1299 for (i = 0; i < RTE_MAX_LCORE; i++)
1301 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1302 rte_lcore_to_socket_id (i));
1311 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1314 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1316 vnet_main_t *vnm = vnet_get_main ();
1317 struct rte_eth_link prev_link = xd->link;
1319 u8 hw_flags_chg = 0;
1321 /* only update link state for PMD interfaces */
1322 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1325 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1326 memset (&xd->link, 0, sizeof (xd->link));
1327 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1329 if (LINK_STATE_ELOGS)
1331 vlib_main_t *vm = vlib_get_main ();
1332 ELOG_TYPE_DECLARE (e) =
1335 "update-link-state: sw_if_index %d, admin_up %d,"
1336 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1345 ed = ELOG_DATA (&vm->elog_main, e);
1346 ed->sw_if_index = xd->vlib_sw_if_index;
1347 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1348 ed->old_link_state = (u8)
1349 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1350 ed->new_link_state = (u8) xd->link.link_status;
1353 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1354 && ((xd->link.link_status != 0) ^
1355 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1358 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1361 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1364 switch (xd->link.link_duplex)
1366 case ETH_LINK_HALF_DUPLEX:
1367 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1369 case ETH_LINK_FULL_DUPLEX:
1370 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1376 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1379 switch (xd->link.link_speed)
1381 case ETH_SPEED_NUM_10M:
1382 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1384 case ETH_SPEED_NUM_100M:
1385 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1387 case ETH_SPEED_NUM_1G:
1388 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1390 case ETH_SPEED_NUM_10G:
1391 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1393 case ETH_SPEED_NUM_25G:
1394 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_25G;
1396 case ETH_SPEED_NUM_40G:
1397 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1399 case ETH_SPEED_NUM_100G:
1400 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100G;
1405 clib_warning ("unknown link speed %d", xd->link.link_speed);
1411 if (LINK_STATE_ELOGS)
1413 vlib_main_t *vm = vlib_get_main ();
1415 ELOG_TYPE_DECLARE (e) =
1418 "update-link-state: sw_if_index %d, new flags %d",.format_args
1426 ed = ELOG_DATA (&vm->elog_main, e);
1427 ed->sw_if_index = xd->vlib_sw_if_index;
1428 ed->flags = hw_flags;
1430 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1435 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1437 clib_error_t *error;
1438 vnet_main_t *vnm = vnet_get_main ();
1439 dpdk_main_t *dm = &dpdk_main;
1440 ethernet_main_t *em = ðernet_main;
1442 vlib_thread_main_t *tm = vlib_get_thread_main ();
1445 error = dpdk_lib_init (dm);
1448 clib_error_report (error);
1450 tm->worker_thread_release = 1;
1452 f64 now = vlib_time_now (vm);
1453 vec_foreach (xd, dm->devices)
1455 dpdk_update_link_state (xd, now);
1460 * Extra set up for bond interfaces:
1461 * 1. Setup MACs for bond interfaces and their slave links which was set
1462 * in dpdk_device_setup() but needs to be done again here to take
1464 * 2. Set up info and register slave link state change callback handling.
1465 * 3. Set up info for bond interface related CLI support.
1467 int nports = rte_eth_dev_count ();
1470 for (i = 0; i < nports; i++)
1472 xd = &dm->devices[i];
1473 ASSERT (i == xd->device_index);
1474 if (xd->pmd == VNET_DPDK_PMD_BOND)
1477 dpdk_portid_t slink[16];
1478 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1481 vnet_hw_interface_t *bhi;
1482 ethernet_interface_t *bei;
1485 /* Get MAC of 1st slave link */
1487 (slink[0], (struct ether_addr *) addr);
1489 /* Set MAC of bounded interface to that of 1st slave link */
1490 clib_warning ("Set MAC for bond port %d BondEthernet%d",
1492 rv = rte_eth_bond_mac_address_set
1493 (i, (struct ether_addr *) addr);
1495 clib_warning ("Set MAC addr failure rv=%d", rv);
1497 /* Populate MAC of bonded interface in VPP hw tables */
1498 bhi = vnet_get_hw_interface
1499 (vnm, dm->devices[i].hw_if_index);
1500 bei = pool_elt_at_index
1501 (em->interfaces, bhi->hw_instance);
1502 clib_memcpy (bhi->hw_address, addr, 6);
1503 clib_memcpy (bei->address, addr, 6);
1505 /* Init l3 packet size allowed on bonded interface */
1506 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1507 bhi->max_l3_packet_bytes[VLIB_RX] =
1508 bhi->max_l3_packet_bytes[VLIB_TX] =
1509 ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
1511 { /* for all slave links */
1512 int slave = slink[--nlink];
1513 dpdk_device_t *sdev = &dm->devices[slave];
1514 vnet_hw_interface_t *shi;
1515 vnet_sw_interface_t *ssi;
1516 ethernet_interface_t *sei;
1517 /* Add MAC to all slave links except the first one */
1520 clib_warning ("Add MAC for slave port %d", slave);
1521 rv = rte_eth_dev_mac_addr_add
1522 (slave, (struct ether_addr *) addr, 0);
1524 clib_warning ("Add MAC addr failure rv=%d", rv);
1526 /* Setup slave link state change callback handling */
1527 rte_eth_dev_callback_register
1528 (slave, RTE_ETH_EVENT_INTR_LSC,
1529 dpdk_port_state_callback, NULL);
1530 dpdk_device_t *sxd = &dm->devices[slave];
1531 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1533 /* Set slaves bitmap for bonded interface */
1534 bhi->bond_info = clib_bitmap_set
1535 (bhi->bond_info, sdev->hw_if_index, 1);
1536 /* Set MACs and slave link flags on slave interface */
1537 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1538 ssi = vnet_get_sw_interface
1539 (vnm, sdev->vlib_sw_if_index);
1540 sei = pool_elt_at_index
1541 (em->interfaces, shi->hw_instance);
1542 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1543 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1544 clib_memcpy (shi->hw_address, addr, 6);
1545 clib_memcpy (sei->address, addr, 6);
1546 /* Set l3 packet size allowed as the lowest of slave */
1547 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1548 shi->max_l3_packet_bytes[VLIB_RX])
1549 bhi->max_l3_packet_bytes[VLIB_RX] =
1550 bhi->max_l3_packet_bytes[VLIB_TX] =
1551 shi->max_l3_packet_bytes[VLIB_RX];
1552 /* Set max packet size allowed as the lowest of slave */
1553 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1554 bhi->max_packet_bytes = shi->max_packet_bytes;
1565 * check each time through the loop in case intervals are changed
1567 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1568 dm->link_state_poll_interval : dm->stat_poll_interval;
1570 vlib_process_wait_for_event_or_clock (vm, min_wait);
1572 if (dm->admin_up_down_in_progress)
1573 /* skip the poll if an admin up down is in progress (on any interface) */
1576 vec_foreach (xd, dm->devices)
1578 f64 now = vlib_time_now (vm);
1579 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1580 dpdk_update_counters (xd, now);
1581 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1582 dpdk_update_link_state (xd, now);
1591 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1592 .function = dpdk_process,
1593 .type = VLIB_NODE_TYPE_PROCESS,
1594 .name = "dpdk-process",
1595 .process_log2_n_stack_bytes = 17,
1599 static clib_error_t *
1600 dpdk_init (vlib_main_t * vm)
1602 dpdk_main_t *dm = &dpdk_main;
1603 clib_error_t *error = 0;
1604 vlib_thread_main_t *tm = vlib_get_thread_main ();
1606 /* verify that structs are cacheline aligned */
1607 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1608 "Cache line marker must be 1st element in dpdk_device_t");
1609 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1610 CLIB_CACHE_LINE_BYTES,
1611 "Data in cache line 0 is bigger than cache line size");
1612 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1613 "Cache line marker must be 1st element in frame_queue_trace_t");
1616 dm->vnet_main = vnet_get_main ();
1617 dm->conf = &dpdk_config_main;
1619 dm->conf->nchannels = 4;
1620 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1621 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1623 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1625 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1626 dm->buffer_flags_template =
1627 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1628 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1629 VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
1631 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1632 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1635 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1641 VLIB_INIT_FUNCTION (dpdk_init);
1645 * fd.io coding-style-patch-verification: ON
1648 * eval: (c-set-style "gnu")