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->buffer_templates, 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 vlib_buffer_t *bt = vec_elt_at_index (dm->buffer_templates, i);
248 fl = vlib_buffer_get_free_list (vm,
249 VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
250 vlib_buffer_init_for_free_list (bt, fl);
251 bt->flags = dm->buffer_flags_template;
252 vnet_buffer (bt)->sw_if_index[VLIB_TX] = (u32) ~ 0;
255 for (i = 0; i < nports; i++)
260 struct rte_eth_dev_info dev_info;
261 struct rte_eth_link l;
262 dpdk_device_config_t *devconf = 0;
263 vlib_pci_addr_t pci_addr;
266 rte_eth_dev_info_get (i, &dev_info);
267 if (dev_info.pci_dev) /* bonded interface has no pci info */
269 pci_addr.domain = dev_info.pci_dev->addr.domain;
270 pci_addr.bus = dev_info.pci_dev->addr.bus;
271 pci_addr.slot = dev_info.pci_dev->addr.devid;
272 pci_addr.function = dev_info.pci_dev->addr.function;
274 hash_get (dm->conf->device_config_index_by_pci_addr,
279 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
281 devconf = &dm->conf->default_devconf;
283 /* Create vnet interface */
284 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
285 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
286 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
287 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
289 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
290 if (dev_info.pci_dev)
292 struct rte_eth_dev_info di = { 0 };
293 rte_eth_dev_info_get (i + 1, &di);
294 if (di.pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
295 memcmp (&dev_info.pci_dev->addr, &di.pci_dev->addr,
296 sizeof (struct rte_pci_addr)) == 0)
298 xd->interface_name_suffix = format (0, "0");
299 last_pci_addr.as_u32 = pci_addr.as_u32;
300 last_pci_addr_port = i;
302 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
304 xd->interface_name_suffix =
305 format (0, "%u", i - last_pci_addr_port);
309 last_pci_addr.as_u32 = ~0;
313 last_pci_addr.as_u32 = ~0;
315 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
316 sizeof (struct rte_eth_txconf));
318 if (dm->conf->no_multi_seg)
320 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
321 port_conf_template.rxmode.jumbo_frame = 0;
322 port_conf_template.rxmode.enable_scatter = 0;
326 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
327 port_conf_template.rxmode.jumbo_frame = 1;
328 port_conf_template.rxmode.enable_scatter = 1;
329 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
332 clib_memcpy (&xd->port_conf, &port_conf_template,
333 sizeof (struct rte_eth_conf));
335 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
337 if (devconf->num_tx_queues > 0
338 && devconf->num_tx_queues < xd->tx_q_used)
339 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
341 if (devconf->num_rx_queues > 1
342 && dev_info.max_rx_queues >= devconf->num_rx_queues)
344 xd->rx_q_used = devconf->num_rx_queues;
345 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
346 if (devconf->rss_fn == 0)
347 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
348 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
350 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
355 xd->flags |= DPDK_DEVICE_FLAG_PMD;
357 /* workaround for drivers not setting driver_name */
358 if ((!dev_info.driver_name) && (dev_info.pci_dev))
359 dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
361 ASSERT (dev_info.driver_name);
367 #define _(s,f) else if (dev_info.driver_name && \
368 !strcmp(dev_info.driver_name, s)) \
369 xd->pmd = VNET_DPDK_PMD_##f;
375 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
377 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
378 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
379 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
383 /* Drivers with valid speed_capa set */
384 case VNET_DPDK_PMD_E1000EM:
385 case VNET_DPDK_PMD_IGB:
386 case VNET_DPDK_PMD_IXGBE:
387 case VNET_DPDK_PMD_I40E:
388 xd->port_type = port_type_from_speed_capa (&dev_info);
389 if (dm->conf->no_tx_checksum_offload == 0)
391 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOXSUMS;
393 DPDK_DEVICE_FLAG_TX_OFFLOAD |
394 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
399 case VNET_DPDK_PMD_CXGBE:
400 case VNET_DPDK_PMD_MLX4:
401 case VNET_DPDK_PMD_MLX5:
402 xd->port_type = port_type_from_speed_capa (&dev_info);
406 case VNET_DPDK_PMD_IGBVF:
407 case VNET_DPDK_PMD_IXGBEVF:
408 case VNET_DPDK_PMD_I40EVF:
409 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
410 xd->port_conf.rxmode.hw_strip_crc = 1;
413 case VNET_DPDK_PMD_THUNDERX:
414 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
415 xd->port_conf.rxmode.hw_strip_crc = 1;
418 case VNET_DPDK_PMD_ENA:
419 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
420 xd->port_conf.rxmode.enable_scatter = 0;
423 case VNET_DPDK_PMD_DPAA2:
424 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
428 case VNET_DPDK_PMD_ENIC:
429 rte_eth_link_get_nowait (i, &l);
430 if (l.link_speed == 40000)
431 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
433 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
436 /* Intel Red Rock Canyon */
437 case VNET_DPDK_PMD_FM10K:
438 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
439 xd->port_conf.rxmode.hw_strip_crc = 1;
443 case VNET_DPDK_PMD_VIRTIO:
444 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
445 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
446 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
450 case VNET_DPDK_PMD_VMXNET3:
451 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
452 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
455 case VNET_DPDK_PMD_AF_PACKET:
456 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
457 xd->port_id = af_packet_port_id++;
460 case VNET_DPDK_PMD_BOND:
461 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
462 xd->port_id = bond_ether_port_id++;
465 case VNET_DPDK_PMD_VIRTIO_USER:
466 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
469 case VNET_DPDK_PMD_VHOST_ETHER:
470 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
474 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
477 if (devconf->num_rx_desc)
478 xd->nb_rx_desc = devconf->num_rx_desc;
480 if (devconf->num_tx_desc)
481 xd->nb_tx_desc = devconf->num_tx_desc;
484 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
486 f64 now = vlib_time_now (vm);
488 rnd = (u32) (now * 1e6);
489 rnd = random_u32 (&rnd);
490 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
495 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
497 if (xd->tx_q_used < tm->n_vlib_mains)
498 dpdk_device_lock_init (xd);
500 xd->device_index = xd - dm->devices;
501 ASSERT (i == xd->device_index);
502 xd->per_interface_next_index = ~0;
504 /* assign interface to input thread */
507 if (devconf->hqos_enabled)
509 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
512 if (devconf->hqos.hqos_thread_valid)
514 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
515 return clib_error_return (0, "invalid HQoS thread index");
517 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
521 if (dm->hqos_cpu_count == 0)
522 return clib_error_return (0, "no HQoS threads available");
524 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
527 if (next_hqos_cpu == dm->hqos_cpu_count)
530 devconf->hqos.hqos_thread_valid = 1;
531 devconf->hqos.hqos_thread = cpu;
534 dpdk_device_and_queue_t *dq;
535 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
536 dq->device = xd->device_index;
540 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
541 CLIB_CACHE_LINE_BYTES);
542 for (j = 0; j < tm->n_vlib_mains; j++)
544 vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
545 sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
546 vec_reset_length (xd->tx_vectors[j]);
549 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
550 CLIB_CACHE_LINE_BYTES);
551 for (j = 0; j < xd->rx_q_used; j++)
553 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
554 CLIB_CACHE_LINE_BYTES);
555 vec_reset_length (xd->rx_vectors[j]);
558 /* count the number of descriptors used for this device */
559 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
561 error = ethernet_register_interface
562 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
563 /* ethernet address */ addr,
564 &xd->hw_if_index, dpdk_flag_change);
569 * Ensure default mtu is not > the mtu read from the hardware.
570 * Otherwise rte_eth_dev_configure() will fail and the port will
572 * Calculate max_frame_size and mtu supported by NIC
574 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
577 * This device does not support the platforms's max frame
578 * size. Use it's advertised mru instead.
580 max_rx_frame = dev_info.max_rx_pktlen;
581 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
585 /* VPP treats MTU and max_rx_pktlen both equal to
586 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
587 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
589 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
590 sizeof (ethernet_header_t)))
592 mtu = ETHERNET_MAX_PACKET_BYTES;
593 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
596 * Some platforms do not account for Ethernet FCS (4 bytes) in
597 * MTU calculations. To interop with them increase mru but only
598 * if the device's settings can support it.
600 if (xd->port_conf.rxmode.hw_strip_crc &&
601 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
602 sizeof (ethernet_header_t) +
610 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
611 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
613 if (xd->port_conf.rxmode.hw_strip_crc &&
614 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
620 /*Set port rxmode config */
621 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
623 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
624 xd->vlib_sw_if_index = sw->sw_if_index;
625 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
626 dpdk_input_node.index);
628 if (devconf->workers)
633 clib_bitmap_foreach (i, devconf->workers, ({
634 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
635 vdm->first_worker_thread_index + i);
640 for (q = 0; q < xd->rx_q_used; q++)
642 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
646 /*Get vnet hardware interface */
647 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
649 /*Override default max_packet_bytes and max_supported_bytes set in
650 * ethernet_register_interface() above*/
653 hi->max_packet_bytes = max_rx_frame;
654 hi->max_supported_packet_bytes = max_rx_frame;
657 if (dm->conf->no_tx_checksum_offload == 0)
658 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD)
659 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
661 dpdk_device_setup (xd);
663 if (vec_len (xd->errors))
664 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
665 format_dpdk_device_name, i,
666 format_dpdk_device_errors, xd);
668 if (devconf->hqos_enabled)
671 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
677 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
678 * specified otherwise in the startup config.
679 * For other NICs default to VLAN strip disabled, unless specified
680 * otherwis in the startup config.
682 if (xd->pmd == VNET_DPDK_PMD_ENIC)
684 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
685 vlan_strip = 1; /* remove vlan tag from VIC port by default */
687 dpdk_log_warn ("VLAN strip disabled for interface\n");
689 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
695 vlan_off = rte_eth_dev_get_vlan_offload (xd->device_index);
696 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
697 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
698 if (rte_eth_dev_set_vlan_offload (xd->device_index, vlan_off) == 0)
699 dpdk_log_info ("VLAN strip enabled for interface\n");
701 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
705 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
706 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
708 clib_warning ("hi NULL");
710 rte_eth_dev_set_mtu (xd->device_index, mtu);
713 if (nb_desc > dm->conf->num_mbufs)
714 dpdk_log_err ("%d mbufs allocated but total rx/tx ring size is %d\n",
715 dm->conf->num_mbufs, nb_desc);
721 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
725 int num_whitelisted = vec_len (conf->dev_confs);
726 vlib_pci_device_info_t *d = 0;
727 vlib_pci_addr_t *addr = 0, *addrs;
729 addrs = vlib_pci_get_all_dev_addrs ();
731 vec_foreach (addr, addrs)
733 dpdk_device_config_t * devconf = 0;
734 vec_reset_length (pci_addr);
735 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
738 vlib_pci_free_device_info (d);
741 d = vlib_pci_get_device_info (addr, &error);
744 clib_error_report (error);
748 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
753 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
758 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
762 if (d->vendor_id == 0x1af4 &&
763 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
764 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
767 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
769 /* all Intel network devices */
770 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
772 /* all Intel QAT devices VFs */
773 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
774 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
777 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
780 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
782 /* Amazen Elastic Network Adapter */
783 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
786 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
792 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
793 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
798 error = vlib_pci_bind_to_uio (addr, (char *) conf->uio_driver_name);
804 pool_get (conf->dev_confs, devconf);
805 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
806 devconf - conf->dev_confs);
807 devconf->pci_addr.as_u32 = addr->as_u32;
809 devconf->is_blacklisted = 1;
810 clib_error_report (error);
815 vlib_pci_free_device_info (d);
818 static clib_error_t *
819 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
820 unformat_input_t * input, u8 is_default)
822 clib_error_t *error = 0;
824 dpdk_device_config_t *devconf;
825 unformat_input_t sub_input;
829 devconf = &conf->default_devconf;
833 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
837 pool_get (conf->dev_confs, devconf);
838 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
839 devconf - conf->dev_confs);
842 return clib_error_return (0,
843 "duplicate configuration for PCI address %U",
844 format_vlib_pci_addr, &pci_addr);
847 devconf->pci_addr.as_u32 = pci_addr.as_u32;
848 devconf->hqos_enabled = 0;
849 dpdk_device_config_hqos_default (&devconf->hqos);
854 unformat_skip_white_space (input);
855 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
857 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
859 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
861 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
863 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
865 else if (unformat (input, "workers %U", unformat_bitmap_list,
870 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
872 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
876 else if (unformat (input, "vlan-strip-offload off"))
877 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
878 else if (unformat (input, "vlan-strip-offload on"))
879 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
882 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
884 devconf->hqos_enabled = 1;
885 error = unformat_hqos (&sub_input, &devconf->hqos);
889 else if (unformat (input, "hqos"))
891 devconf->hqos_enabled = 1;
895 error = clib_error_return (0, "unknown input `%U'",
896 format_unformat_error, input);
904 if (devconf->workers && devconf->num_rx_queues == 0)
905 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
906 else if (devconf->workers &&
907 clib_bitmap_count_set_bits (devconf->workers) !=
908 devconf->num_rx_queues)
910 clib_error_return (0,
911 "%U: number of worker threadds must be "
912 "equal to number of rx queues", format_vlib_pci_addr,
918 static clib_error_t *
919 dpdk_log_read_ready (clib_file_t * uf)
921 unformat_input_t input;
928 uword len = vec_len (s);
929 vec_resize (s, len + n_try);
931 n = read (uf->file_descriptor, s + len, n_try);
932 if (n < 0 && errno != EAGAIN)
933 return clib_error_return_unix (0, "read");
934 _vec_len (s) = len + (n < 0 ? 0 : n);
937 unformat_init_vector (&input, s);
939 while (unformat_user (&input, unformat_line, &line))
941 dpdk_log_notice ("%v", line);
945 unformat_free (&input);
949 static clib_error_t *
950 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
952 clib_error_t *error = 0;
953 dpdk_main_t *dm = &dpdk_main;
954 dpdk_config_main_t *conf = &dpdk_config_main;
955 vlib_thread_main_t *tm = vlib_get_thread_main ();
956 dpdk_device_config_t *devconf;
957 vlib_pci_addr_t pci_addr;
958 unformat_input_t sub_input;
961 u8 *rte_cmd = 0, *ethname = 0;
964 int num_whitelisted = 0;
970 u8 *huge_dir_path = 0;
973 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
975 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
976 log_level = RTE_LOG_NOTICE;
978 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
981 if (unformat (input, "no-hugetlb"))
983 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
987 else if (unformat (input, "enable-tcp-udp-checksum"))
988 conf->enable_tcp_udp_checksum = 1;
990 else if (unformat (input, "no-tx-checksum-offload"))
991 conf->no_tx_checksum_offload = 1;
993 else if (unformat (input, "decimal-interface-names"))
994 conf->interface_name_format_decimal = 1;
996 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
999 else if (unformat (input, "no-multi-seg"))
1000 conf->no_multi_seg = 1;
1002 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1006 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1014 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1015 unformat_vlib_cli_sub_input, &sub_input))
1017 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1024 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1026 error = dpdk_device_config (conf, pci_addr, 0, 0);
1033 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1035 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1037 else if (unformat (input, "socket-mem %s", &socket_mem))
1039 else if (unformat (input, "no-pci"))
1042 tmp = format (0, "--no-pci%c", 0);
1043 vec_add1 (conf->eal_init_args, tmp);
1045 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep_usec))
1049 else if (unformat(input, #a)) \
1051 tmp = format (0, "--%s%c", #a, 0); \
1052 vec_add1 (conf->eal_init_args, tmp); \
1054 foreach_eal_double_hyphen_predicate_arg
1057 else if (unformat(input, #a " %s", &s)) \
1059 if (!strncmp(#a, "huge-dir", 8)) \
1061 else if (!strncmp(#a, "file-prefix", 11)) \
1063 tmp = format (0, "--%s%c", #a, 0); \
1064 vec_add1 (conf->eal_init_args, tmp); \
1066 if (!strncmp(#a, "vdev", 4)) \
1067 if (strstr((char*)s, "af_packet")) \
1068 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1069 vec_add1 (conf->eal_init_args, s); \
1071 foreach_eal_double_hyphen_arg
1074 else if (unformat(input, #a " %s", &s)) \
1076 tmp = format (0, "-%s%c", #b, 0); \
1077 vec_add1 (conf->eal_init_args, tmp); \
1079 vec_add1 (conf->eal_init_args, s); \
1081 foreach_eal_single_hyphen_arg
1084 else if (unformat(input, #a " %s", &s)) \
1086 tmp = format (0, "-%s%c", #b, 0); \
1087 vec_add1 (conf->eal_init_args, tmp); \
1089 vec_add1 (conf->eal_init_args, s); \
1090 conf->a##_set_manually = 1; \
1092 foreach_eal_single_hyphen_mandatory_arg
1094 else if (unformat (input, "default"))
1097 else if (unformat_skip_white_space (input))
1101 error = clib_error_return (0, "unknown input `%U'",
1102 format_unformat_error, input);
1107 if (!conf->uio_driver_name)
1108 conf->uio_driver_name = format (0, "auto%c", 0);
1111 * Use 1G huge pages if available.
1113 if (!no_huge && !huge_dir)
1115 u32 x, *mem_by_socket = 0;
1119 umount ((char *) huge_dir_path);
1121 /* Process "socket-mem" parameter value */
1122 if (vec_len (socket_mem))
1124 unformat_input_t in;
1125 unformat_init_vector (&in, socket_mem);
1126 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1128 if (unformat (&in, "%u,", &x))
1130 else if (unformat (&in, "%u", &x))
1132 else if (unformat (&in, ","))
1137 vec_add1 (mem_by_socket, x);
1139 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1140 unformat_free (&in);
1146 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1148 vec_validate(mem_by_socket, c);
1149 mem_by_socket[c] = 64; /* default per-socket mem */
1156 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1160 vec_validate(mem_by_socket, c);
1162 e = clib_sysfs_prealloc_hugepages(c, 2 << 10, mem_by_socket[c] / 2);
1164 clib_error_report (e);
1168 if (mem_by_socket == 0)
1170 error = clib_error_return (0, "mem_by_socket NULL");
1173 _vec_len (mem_by_socket) = c + 1;
1175 /* regenerate socket_mem string */
1176 vec_foreach_index (x, mem_by_socket)
1177 socket_mem = format (socket_mem, "%s%u",
1178 socket_mem ? "," : "", mem_by_socket[x]);
1179 socket_mem = format (socket_mem, "%c", 0);
1181 vec_free (mem_by_socket);
1183 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1189 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1193 error = clib_error_return (0, "mount failed %d", errno);
1197 tmp = format (0, "--huge-dir%c", 0);
1198 vec_add1 (conf->eal_init_args, tmp);
1199 tmp = format (0, "%s%c", huge_dir_path, 0);
1200 vec_add1 (conf->eal_init_args, tmp);
1203 tmp = format (0, "--file-prefix%c", 0);
1204 vec_add1 (conf->eal_init_args, tmp);
1205 tmp = format (0, "vpp%c", 0);
1206 vec_add1 (conf->eal_init_args, tmp);
1216 /* I'll bet that -c and -n must be the first and second args... */
1217 if (!conf->coremask_set_manually)
1219 vlib_thread_registration_t *tr;
1220 uword *coremask = 0;
1223 /* main thread core */
1224 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1226 for (i = 0; i < vec_len (tm->registrations); i++)
1228 tr = tm->registrations[i];
1229 coremask = clib_bitmap_or (coremask, tr->coremask);
1232 vec_insert (conf->eal_init_args, 2, 1);
1233 conf->eal_init_args[1] = (u8 *) "-c";
1234 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1235 conf->eal_init_args[2] = tmp;
1236 clib_bitmap_free (coremask);
1239 if (!conf->nchannels_set_manually)
1241 vec_insert (conf->eal_init_args, 2, 3);
1242 conf->eal_init_args[3] = (u8 *) "-n";
1243 tmp = format (0, "%d", conf->nchannels);
1244 conf->eal_init_args[4] = tmp;
1247 if (no_pci == 0 && geteuid () == 0)
1248 dpdk_bind_devices_to_uio (conf);
1251 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1252 devconf->x = conf->default_devconf.x ;
1255 pool_foreach (devconf, conf->dev_confs, ({
1257 /* default per-device config items */
1258 foreach_dpdk_device_config_item
1260 /* add DPDK EAL whitelist/blacklist entry */
1261 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1263 tmp = format (0, "-w%c", 0);
1264 vec_add1 (conf->eal_init_args, tmp);
1265 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1266 vec_add1 (conf->eal_init_args, tmp);
1268 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1270 tmp = format (0, "-b%c", 0);
1271 vec_add1 (conf->eal_init_args, tmp);
1272 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1273 vec_add1 (conf->eal_init_args, tmp);
1280 /* set master-lcore */
1281 tmp = format (0, "--master-lcore%c", 0);
1282 vec_add1 (conf->eal_init_args, tmp);
1283 tmp = format (0, "%u%c", tm->main_lcore, 0);
1284 vec_add1 (conf->eal_init_args, tmp);
1286 /* set socket-mem */
1287 tmp = format (0, "--socket-mem%c", 0);
1288 vec_add1 (conf->eal_init_args, tmp);
1289 tmp = format (0, "%s%c", socket_mem, 0);
1290 vec_add1 (conf->eal_init_args, tmp);
1292 /* NULL terminate the "argv" vector, in case of stupidity */
1293 vec_add1 (conf->eal_init_args, 0);
1294 _vec_len (conf->eal_init_args) -= 1;
1296 /* Set up DPDK eal and packet mbuf pool early. */
1298 rte_log_set_global_level (log_level);
1299 int log_fds[2] = { 0 };
1300 if (pipe (log_fds) == 0)
1302 FILE *f = fdopen (log_fds[1], "a");
1303 if (f && rte_openlog_stream (f) == 0)
1305 clib_file_t t = { 0 };
1306 t.read_function = dpdk_log_read_ready;
1307 t.file_descriptor = log_fds[0];
1308 t.description = format (0, "DPDK logging pipe");
1309 clib_file_add (&file_main, &t);
1313 vm = vlib_get_main ();
1315 /* make copy of args as rte_eal_init tends to mess up with arg array */
1316 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1317 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1318 conf->eal_init_args[i]);
1320 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1321 ret = rte_eal_init (vec_len (conf->eal_init_args),
1322 (char **) conf->eal_init_args);
1324 /* lazy umount hugepages */
1325 umount2 ((char *) huge_dir_path, MNT_DETACH);
1326 rmdir ((char *) huge_dir_path);
1327 vec_free (huge_dir_path);
1330 return clib_error_return (0, "rte_eal_init returned %d", ret);
1332 /* set custom ring memory allocator */
1334 struct rte_mempool_ops *ops = NULL;
1336 ops = get_ops_by_name ("ring_sp_sc");
1337 ops->alloc = dpdk_ring_alloc;
1339 ops = get_ops_by_name ("ring_mp_sc");
1340 ops->alloc = dpdk_ring_alloc;
1342 ops = get_ops_by_name ("ring_sp_mc");
1343 ops->alloc = dpdk_ring_alloc;
1345 ops = get_ops_by_name ("ring_mp_mc");
1346 ops->alloc = dpdk_ring_alloc;
1349 /* main thread 1st */
1350 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1354 for (i = 0; i < RTE_MAX_LCORE; i++)
1356 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1357 rte_lcore_to_socket_id (i));
1366 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1369 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1371 vnet_main_t *vnm = vnet_get_main ();
1372 struct rte_eth_link prev_link = xd->link;
1374 u8 hw_flags_chg = 0;
1376 /* only update link state for PMD interfaces */
1377 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1380 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1381 memset (&xd->link, 0, sizeof (xd->link));
1382 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1384 if (LINK_STATE_ELOGS)
1386 vlib_main_t *vm = vlib_get_main ();
1387 ELOG_TYPE_DECLARE (e) =
1390 "update-link-state: sw_if_index %d, admin_up %d,"
1391 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1400 ed = ELOG_DATA (&vm->elog_main, e);
1401 ed->sw_if_index = xd->vlib_sw_if_index;
1402 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1403 ed->old_link_state = (u8)
1404 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1405 ed->new_link_state = (u8) xd->link.link_status;
1408 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1409 && ((xd->link.link_status != 0) ^
1410 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1413 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1416 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1419 switch (xd->link.link_duplex)
1421 case ETH_LINK_HALF_DUPLEX:
1422 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1424 case ETH_LINK_FULL_DUPLEX:
1425 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1431 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1434 switch (xd->link.link_speed)
1436 case ETH_SPEED_NUM_10M:
1437 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1439 case ETH_SPEED_NUM_100M:
1440 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1442 case ETH_SPEED_NUM_1G:
1443 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1445 case ETH_SPEED_NUM_2_5G:
1446 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_2_5G;
1448 case ETH_SPEED_NUM_5G:
1449 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_5G;
1451 case ETH_SPEED_NUM_10G:
1452 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1454 case ETH_SPEED_NUM_20G:
1455 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_20G;
1457 case ETH_SPEED_NUM_25G:
1458 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_25G;
1460 case ETH_SPEED_NUM_40G:
1461 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1463 case ETH_SPEED_NUM_50G:
1464 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_50G;
1466 case ETH_SPEED_NUM_56G:
1467 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_56G;
1469 case ETH_SPEED_NUM_100G:
1470 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100G;
1475 dpdk_log_warn ("unknown link speed %d", xd->link.link_speed);
1481 if (LINK_STATE_ELOGS)
1483 vlib_main_t *vm = vlib_get_main ();
1485 ELOG_TYPE_DECLARE (e) =
1488 "update-link-state: sw_if_index %d, new flags %d",.format_args
1496 ed = ELOG_DATA (&vm->elog_main, e);
1497 ed->sw_if_index = xd->vlib_sw_if_index;
1498 ed->flags = hw_flags;
1500 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1505 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1507 clib_error_t *error;
1508 vnet_main_t *vnm = vnet_get_main ();
1509 dpdk_main_t *dm = &dpdk_main;
1510 ethernet_main_t *em = ðernet_main;
1512 vlib_thread_main_t *tm = vlib_get_thread_main ();
1515 error = dpdk_lib_init (dm);
1518 clib_error_report (error);
1520 tm->worker_thread_release = 1;
1522 f64 now = vlib_time_now (vm);
1523 vec_foreach (xd, dm->devices)
1525 dpdk_update_link_state (xd, now);
1530 * Extra set up for bond interfaces:
1531 * 1. Setup MACs for bond interfaces and their slave links which was set
1532 * in dpdk_device_setup() but needs to be done again here to take
1534 * 2. Set up info and register slave link state change callback handling.
1535 * 3. Set up info for bond interface related CLI support.
1537 int nports = rte_eth_dev_count ();
1540 for (i = 0; i < nports; i++)
1542 xd = &dm->devices[i];
1543 ASSERT (i == xd->device_index);
1544 if (xd->pmd == VNET_DPDK_PMD_BOND)
1547 dpdk_portid_t slink[16];
1548 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1551 vnet_hw_interface_t *bhi;
1552 ethernet_interface_t *bei;
1555 /* Get MAC of 1st slave link */
1557 (slink[0], (struct ether_addr *) addr);
1559 /* Set MAC of bounded interface to that of 1st slave link */
1560 dpdk_log_info ("Set MAC for bond port %d BondEthernet%d",
1562 rv = rte_eth_bond_mac_address_set
1563 (i, (struct ether_addr *) addr);
1565 dpdk_log_warn ("Set MAC addr failure rv=%d", rv);
1567 /* Populate MAC of bonded interface in VPP hw tables */
1568 bhi = vnet_get_hw_interface
1569 (vnm, dm->devices[i].hw_if_index);
1570 bei = pool_elt_at_index
1571 (em->interfaces, bhi->hw_instance);
1572 clib_memcpy (bhi->hw_address, addr, 6);
1573 clib_memcpy (bei->address, addr, 6);
1575 /* Init l3 packet size allowed on bonded interface */
1576 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1577 bhi->max_l3_packet_bytes[VLIB_RX] =
1578 bhi->max_l3_packet_bytes[VLIB_TX] =
1579 ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
1581 { /* for all slave links */
1582 int slave = slink[--nlink];
1583 dpdk_device_t *sdev = &dm->devices[slave];
1584 vnet_hw_interface_t *shi;
1585 vnet_sw_interface_t *ssi;
1586 ethernet_interface_t *sei;
1587 /* Add MAC to all slave links except the first one */
1590 dpdk_log_info ("Add MAC for slave port %d",
1592 rv = rte_eth_dev_mac_addr_add
1593 (slave, (struct ether_addr *) addr, 0);
1595 dpdk_log_warn ("Add MAC addr failure rv=%d",
1598 /* Setup slave link state change callback handling */
1599 rte_eth_dev_callback_register
1600 (slave, RTE_ETH_EVENT_INTR_LSC,
1601 dpdk_port_state_callback, NULL);
1602 dpdk_device_t *sxd = &dm->devices[slave];
1603 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1605 /* Set slaves bitmap for bonded interface */
1606 bhi->bond_info = clib_bitmap_set
1607 (bhi->bond_info, sdev->hw_if_index, 1);
1608 /* Set MACs and slave link flags on slave interface */
1609 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1610 ssi = vnet_get_sw_interface
1611 (vnm, sdev->vlib_sw_if_index);
1612 sei = pool_elt_at_index
1613 (em->interfaces, shi->hw_instance);
1614 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1615 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1616 clib_memcpy (shi->hw_address, addr, 6);
1617 clib_memcpy (sei->address, addr, 6);
1618 /* Set l3 packet size allowed as the lowest of slave */
1619 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1620 shi->max_l3_packet_bytes[VLIB_RX])
1621 bhi->max_l3_packet_bytes[VLIB_RX] =
1622 bhi->max_l3_packet_bytes[VLIB_TX] =
1623 shi->max_l3_packet_bytes[VLIB_RX];
1624 /* Set max packet size allowed as the lowest of slave */
1625 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1626 bhi->max_packet_bytes = shi->max_packet_bytes;
1637 * check each time through the loop in case intervals are changed
1639 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1640 dm->link_state_poll_interval : dm->stat_poll_interval;
1642 vlib_process_wait_for_event_or_clock (vm, min_wait);
1644 if (dm->admin_up_down_in_progress)
1645 /* skip the poll if an admin up down is in progress (on any interface) */
1648 vec_foreach (xd, dm->devices)
1650 f64 now = vlib_time_now (vm);
1651 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1652 dpdk_update_counters (xd, now);
1653 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1654 dpdk_update_link_state (xd, now);
1663 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1664 .function = dpdk_process,
1665 .type = VLIB_NODE_TYPE_PROCESS,
1666 .name = "dpdk-process",
1667 .process_log2_n_stack_bytes = 17,
1671 static clib_error_t *
1672 dpdk_init (vlib_main_t * vm)
1674 dpdk_main_t *dm = &dpdk_main;
1675 clib_error_t *error = 0;
1676 vlib_thread_main_t *tm = vlib_get_thread_main ();
1678 /* verify that structs are cacheline aligned */
1679 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1680 "Cache line marker must be 1st element in dpdk_device_t");
1681 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1682 CLIB_CACHE_LINE_BYTES,
1683 "Data in cache line 0 is bigger than cache line size");
1684 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1685 "Cache line marker must be 1st element in frame_queue_trace_t");
1688 dm->vnet_main = vnet_get_main ();
1689 dm->conf = &dpdk_config_main;
1691 dm->conf->nchannels = 4;
1692 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1693 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1695 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1697 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1698 dm->buffer_flags_template =
1699 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1700 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1701 VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
1703 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1704 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1707 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1710 dm->log_default = vlib_log_register_class ("dpdk", 0);
1715 VLIB_INIT_FUNCTION (dpdk_init);
1719 * fd.io coding-style-patch-verification: ON
1722 * eval: (c-set-style "gnu")