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/buffer.h>
26 #include <dpdk/device/dpdk.h>
27 #include <vlib/pci/pci.h>
28 #include <vlib/vmbus/vmbus.h>
36 #include <sys/mount.h>
40 #include <dpdk/device/dpdk_priv.h>
42 #define ETHER_MAX_LEN 1518 /**< Maximum frame len, including CRC. */
44 dpdk_main_t dpdk_main;
45 dpdk_config_main_t dpdk_config_main;
47 #define LINK_STATE_ELOGS 0
49 /* Port configuration, mildly modified Intel app values */
51 static dpdk_port_type_t
52 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
55 if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
56 return VNET_DPDK_PORT_TYPE_ETH_100G;
57 else if (dev_info->speed_capa & ETH_LINK_SPEED_56G)
58 return VNET_DPDK_PORT_TYPE_ETH_56G;
59 else if (dev_info->speed_capa & ETH_LINK_SPEED_50G)
60 return VNET_DPDK_PORT_TYPE_ETH_50G;
61 else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
62 return VNET_DPDK_PORT_TYPE_ETH_40G;
63 else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
64 return VNET_DPDK_PORT_TYPE_ETH_25G;
65 else if (dev_info->speed_capa & ETH_LINK_SPEED_20G)
66 return VNET_DPDK_PORT_TYPE_ETH_20G;
67 else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
68 return VNET_DPDK_PORT_TYPE_ETH_10G;
69 else if (dev_info->speed_capa & ETH_LINK_SPEED_5G)
70 return VNET_DPDK_PORT_TYPE_ETH_5G;
71 else if (dev_info->speed_capa & ETH_LINK_SPEED_2_5G)
72 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
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;
79 static dpdk_port_type_t
80 port_type_from_link_speed (u32 link_speed)
84 case ETH_SPEED_NUM_1G:
85 return VNET_DPDK_PORT_TYPE_ETH_1G;
86 case ETH_SPEED_NUM_2_5G:
87 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
88 case ETH_SPEED_NUM_5G:
89 return VNET_DPDK_PORT_TYPE_ETH_5G;
90 case ETH_SPEED_NUM_10G:
91 return VNET_DPDK_PORT_TYPE_ETH_10G;
92 case ETH_SPEED_NUM_20G:
93 return VNET_DPDK_PORT_TYPE_ETH_20G;
94 case ETH_SPEED_NUM_25G:
95 return VNET_DPDK_PORT_TYPE_ETH_25G;
96 case ETH_SPEED_NUM_40G:
97 return VNET_DPDK_PORT_TYPE_ETH_40G;
98 case ETH_SPEED_NUM_50G:
99 return VNET_DPDK_PORT_TYPE_ETH_50G;
100 case ETH_SPEED_NUM_56G:
101 return VNET_DPDK_PORT_TYPE_ETH_56G;
102 case ETH_SPEED_NUM_100G:
103 return VNET_DPDK_PORT_TYPE_ETH_100G;
105 return VNET_DPDK_PORT_TYPE_UNKNOWN;
110 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
112 dpdk_main_t *dm = &dpdk_main;
113 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
116 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
118 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
120 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
121 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
123 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
125 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
127 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
128 rte_eth_promiscuous_enable (xd->port_id);
130 rte_eth_promiscuous_disable (xd->port_id);
133 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
135 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
136 dpdk_device_setup (xd);
142 dpdk_device_lock_init (dpdk_device_t * xd)
145 vec_validate (xd->lockp, xd->tx_q_used - 1);
146 for (q = 0; q < xd->tx_q_used; q++)
148 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
149 CLIB_CACHE_LINE_BYTES);
150 clib_memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
155 dpdk_port_crc_strip_enabled (dpdk_device_t * xd)
157 #if RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
158 return ! !(xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_CRC_STRIP);
160 return !(xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC);
164 static clib_error_t *
165 dpdk_lib_init (dpdk_main_t * dm)
168 u32 mtu, max_rx_frame;
171 vlib_main_t *vm = vlib_get_main ();
172 vlib_thread_main_t *tm = vlib_get_thread_main ();
173 vnet_device_main_t *vdm = &vnet_device_main;
174 vnet_sw_interface_t *sw;
175 vnet_hw_interface_t *hi;
177 vlib_pci_addr_t last_pci_addr;
178 u32 last_pci_addr_port = 0;
179 vlib_thread_registration_t *tr_hqos;
182 u32 next_hqos_cpu = 0;
183 u8 af_packet_instance_num = 0;
184 u8 bond_ether_instance_num = 0;
185 last_pci_addr.as_u32 = ~0;
187 dm->hqos_cpu_first_index = 0;
188 dm->hqos_cpu_count = 0;
190 /* find out which cpus will be used for I/O TX */
191 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
192 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
194 if (tr_hqos && tr_hqos->count > 0)
196 dm->hqos_cpu_first_index = tr_hqos->first_index;
197 dm->hqos_cpu_count = tr_hqos->count;
200 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
201 CLIB_CACHE_LINE_BYTES);
203 nports = rte_eth_dev_count_avail ();
207 dpdk_log_notice ("DPDK drivers found no ports...");
211 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
213 if (dm->conf->enable_tcp_udp_checksum)
214 dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
215 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
217 /* vlib_buffer_t template */
218 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
219 CLIB_CACHE_LINE_BYTES);
220 for (i = 0; i < tm->n_vlib_mains; i++)
222 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
223 clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
224 ptd->buffer_template.flags = dm->buffer_flags_template;
225 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
229 RTE_ETH_FOREACH_DEV(i)
233 struct rte_eth_dev_info dev_info;
234 struct rte_pci_device *pci_dev;
235 struct rte_eth_link l;
236 dpdk_device_config_t *devconf = 0;
237 vlib_pci_addr_t pci_addr;
240 if (!rte_eth_dev_is_valid_port(i))
243 rte_eth_link_get_nowait (i, &l);
244 rte_eth_dev_info_get (i, &dev_info);
246 if (dev_info.device == 0)
248 clib_warning ("DPDK bug: missing device info. Skipping %s device",
249 dev_info.driver_name);
253 pci_dev = dpdk_get_pci_device (&dev_info);
255 if (pci_dev) /* bonded interface has no pci info */
257 pci_addr.domain = pci_dev->addr.domain;
258 pci_addr.bus = pci_dev->addr.bus;
259 pci_addr.slot = pci_dev->addr.devid;
260 pci_addr.function = pci_dev->addr.function;
261 p = hash_get (dm->conf->device_config_index_by_pci_addr,
266 /* Create vnet interface */
267 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
268 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
269 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
270 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
274 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
275 xd->name = devconf->name;
278 devconf = &dm->conf->default_devconf;
280 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
283 struct rte_eth_dev_info di = { 0 };
284 struct rte_pci_device *next_pci_dev;
285 rte_eth_dev_info_get (i + 1, &di);
286 next_pci_dev = di.device ? RTE_DEV_TO_PCI (di.device) : 0;
287 if (pci_dev && next_pci_dev &&
288 pci_addr.as_u32 != last_pci_addr.as_u32 &&
289 memcmp (&pci_dev->addr, &next_pci_dev->addr,
290 sizeof (struct rte_pci_addr)) == 0)
292 xd->interface_name_suffix = format (0, "0");
293 last_pci_addr.as_u32 = pci_addr.as_u32;
294 last_pci_addr_port = i;
296 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
298 xd->interface_name_suffix =
299 format (0, "%u", i - last_pci_addr_port);
303 last_pci_addr.as_u32 = ~0;
307 last_pci_addr.as_u32 = ~0;
309 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
310 sizeof (struct rte_eth_txconf));
312 if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
314 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
315 xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
318 if (dm->conf->no_multi_seg)
320 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
321 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
322 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
326 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
327 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
328 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
329 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
332 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
334 if (devconf->num_tx_queues > 0
335 && devconf->num_tx_queues < xd->tx_q_used)
336 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
338 if (devconf->num_rx_queues > 1
339 && dev_info.max_rx_queues >= devconf->num_rx_queues)
341 xd->rx_q_used = devconf->num_rx_queues;
342 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
343 if (devconf->rss_fn == 0)
344 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
345 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
348 u64 unsupported_bits;
349 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
350 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
351 unsupported_bits &= ~dev_info.flow_type_rss_offloads;
352 if (unsupported_bits)
353 dpdk_log_warn ("Unsupported RSS hash functions: %U",
354 format_dpdk_rss_hf_name, unsupported_bits);
356 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
357 dev_info.flow_type_rss_offloads;
362 xd->flags |= DPDK_DEVICE_FLAG_PMD;
364 /* workaround for drivers not setting driver_name */
365 if ((!dev_info.driver_name) && (pci_dev))
366 dev_info.driver_name = pci_dev->driver->driver.name;
368 ASSERT (dev_info.driver_name);
374 #define _(s,f) else if (dev_info.driver_name && \
375 !strcmp(dev_info.driver_name, s)) \
376 xd->pmd = VNET_DPDK_PMD_##f;
382 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
384 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
385 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
386 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
390 /* Drivers with valid speed_capa set */
391 case VNET_DPDK_PMD_E1000EM:
392 case VNET_DPDK_PMD_IGB:
393 case VNET_DPDK_PMD_IXGBE:
394 case VNET_DPDK_PMD_I40E:
395 xd->port_type = port_type_from_speed_capa (&dev_info);
396 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
397 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
398 VNET_FLOW_ACTION_BUFFER_ADVANCE |
399 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
401 if (dm->conf->no_tx_checksum_offload == 0)
403 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
404 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
406 DPDK_DEVICE_FLAG_TX_OFFLOAD |
407 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
412 case VNET_DPDK_PMD_CXGBE:
413 case VNET_DPDK_PMD_MLX4:
414 case VNET_DPDK_PMD_MLX5:
415 case VNET_DPDK_PMD_QEDE:
416 xd->port_type = port_type_from_speed_capa (&dev_info);
420 case VNET_DPDK_PMD_IGBVF:
421 case VNET_DPDK_PMD_IXGBEVF:
422 case VNET_DPDK_PMD_I40EVF:
423 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
424 #if RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
425 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
429 case VNET_DPDK_PMD_THUNDERX:
430 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
431 #if RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
432 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
435 if (dm->conf->no_tx_checksum_offload == 0)
437 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
438 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
439 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
443 case VNET_DPDK_PMD_ENA:
444 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
445 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
448 case VNET_DPDK_PMD_DPAA2:
449 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
453 case VNET_DPDK_PMD_ENIC:
454 if (l.link_speed == 40000)
455 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
457 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
460 /* Intel Red Rock Canyon */
461 case VNET_DPDK_PMD_FM10K:
462 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
463 #if RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
464 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
469 case VNET_DPDK_PMD_VIRTIO:
470 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
471 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
472 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
476 case VNET_DPDK_PMD_VMXNET3:
477 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
478 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
481 case VNET_DPDK_PMD_AF_PACKET:
482 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
483 xd->af_packet_instance_num = af_packet_instance_num++;
486 case VNET_DPDK_PMD_BOND:
487 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
488 xd->bond_instance_num = bond_ether_instance_num++;
491 case VNET_DPDK_PMD_VIRTIO_USER:
492 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
495 case VNET_DPDK_PMD_VHOST_ETHER:
496 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
499 case VNET_DPDK_PMD_LIOVF_ETHER:
500 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
503 case VNET_DPDK_PMD_FAILSAFE:
504 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
505 xd->port_conf.intr_conf.lsc = 1;
508 case VNET_DPDK_PMD_NETVSC:
509 xd->port_type = port_type_from_link_speed (l.link_speed);
513 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
516 if (devconf->num_rx_desc)
517 xd->nb_rx_desc = devconf->num_rx_desc;
519 if (devconf->num_tx_desc)
520 xd->nb_tx_desc = devconf->num_tx_desc;
523 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
525 f64 now = vlib_time_now (vm);
527 rnd = (u32) (now * 1e6);
528 rnd = random_u32 (&rnd);
529 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
534 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
536 if (xd->tx_q_used < tm->n_vlib_mains)
537 dpdk_device_lock_init (xd);
540 xd->device_index = xd - dm->devices;
541 xd->per_interface_next_index = ~0;
543 /* assign interface to input thread */
546 if (devconf->hqos_enabled)
548 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
551 if (devconf->hqos.hqos_thread_valid)
553 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
554 return clib_error_return (0, "invalid HQoS thread index");
556 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
560 if (dm->hqos_cpu_count == 0)
561 return clib_error_return (0, "no HQoS threads available");
563 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
566 if (next_hqos_cpu == dm->hqos_cpu_count)
569 devconf->hqos.hqos_thread_valid = 1;
570 devconf->hqos.hqos_thread = cpu;
573 dpdk_device_and_queue_t *dq;
574 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
575 dq->device = xd->device_index;
579 error = ethernet_register_interface
580 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
581 /* ethernet address */ addr,
582 &xd->hw_if_index, dpdk_flag_change);
587 * Ensure default mtu is not > the mtu read from the hardware.
588 * Otherwise rte_eth_dev_configure() will fail and the port will
590 * Calculate max_frame_size and mtu supported by NIC
592 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
595 * This device does not support the platforms's max frame
596 * size. Use it's advertised mru instead.
598 max_rx_frame = dev_info.max_rx_pktlen;
599 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
603 /* VPP treats MTU and max_rx_pktlen both equal to
604 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
605 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
607 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
608 sizeof (ethernet_header_t)))
610 mtu = ETHERNET_MAX_PACKET_BYTES;
611 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
614 * Some platforms do not account for Ethernet FCS (4 bytes) in
615 * MTU calculations. To interop with them increase mru but only
616 * if the device's settings can support it.
618 if (dpdk_port_crc_strip_enabled (xd) &&
619 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
620 sizeof (ethernet_header_t) +
628 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
629 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
631 if (dpdk_port_crc_strip_enabled (xd) &&
632 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
639 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
641 /* failsafe device numerables are reported with active device only,
642 * need to query the mtu for current device setup to overwrite
646 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
649 max_rx_frame = mtu + sizeof (ethernet_header_t);
651 if (dpdk_port_crc_strip_enabled (xd))
658 /*Set port rxmode config */
659 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
661 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
662 xd->sw_if_index = sw->sw_if_index;
663 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
664 dpdk_input_node.index);
666 if (devconf->workers)
670 clib_bitmap_foreach (i, devconf->workers, ({
671 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
672 vdm->first_worker_thread_index + i);
676 for (q = 0; q < xd->rx_q_used; q++)
678 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
682 /*Get vnet hardware interface */
683 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
685 /*Override default max_packet_bytes and max_supported_bytes set in
686 * ethernet_register_interface() above*/
689 hi->max_packet_bytes = mtu;
690 hi->max_supported_packet_bytes = max_rx_frame;
693 if (dm->conf->no_tx_checksum_offload == 0)
694 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
695 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
697 dpdk_device_setup (xd);
699 if (vec_len (xd->errors))
700 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
701 format_dpdk_device_name, i,
702 format_dpdk_device_errors, xd);
704 if (devconf->hqos_enabled)
707 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
713 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
714 * specified otherwise in the startup config.
715 * For other NICs default to VLAN strip disabled, unless specified
716 * otherwise in the startup config.
718 if (xd->pmd == VNET_DPDK_PMD_ENIC)
720 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
721 vlan_strip = 1; /* remove vlan tag from VIC port by default */
723 dpdk_log_warn ("VLAN strip disabled for interface\n");
725 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
731 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
732 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
734 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
736 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
737 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) == 0)
738 dpdk_log_info ("VLAN strip enabled for interface\n");
740 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
744 hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
745 - sizeof (ethernet_header_t);
747 clib_warning ("hi NULL");
749 if (dm->conf->no_multi_seg)
750 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
752 rte_eth_dev_set_mtu (xd->port_id, mtu);
760 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
762 vlib_main_t *vm = vlib_get_main ();
765 int num_whitelisted = vec_len (conf->dev_confs);
766 vlib_pci_device_info_t *d = 0;
767 vlib_pci_addr_t *addr = 0, *addrs;
770 addrs = vlib_pci_get_all_dev_addrs ();
772 vec_foreach (addr, addrs)
774 dpdk_device_config_t * devconf = 0;
775 vec_reset_length (pci_addr);
776 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
779 vlib_pci_free_device_info (d);
782 d = vlib_pci_get_device_info (vm, addr, &error);
785 clib_error_report (error);
789 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
794 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
802 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
805 /* Enforce Device blacklist by vendor and device */
806 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
809 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
810 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
811 if (d->vendor_id == vendor && d->device_id == device)
814 * Expected case: device isn't whitelisted,
819 /* Device is blacklisted */
820 pool_get (conf->dev_confs, devconf);
821 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
822 devconf - conf->dev_confs);
823 devconf->pci_addr.as_u32 = addr->as_u32;
824 devconf->is_blacklisted = 1;
827 else /* explicitly whitelisted, ignore the device blacklist */
833 if (d->vendor_id == 0x1af4 &&
834 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
835 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
838 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
841 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
842 * the default is to put it in the blacklist.
846 pool_get (conf->dev_confs, devconf);
847 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
848 devconf - conf->dev_confs);
849 devconf->pci_addr.as_u32 = addr->as_u32;
850 devconf->is_blacklisted = 1;
853 /* all Intel network devices */
854 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
856 /* all Intel QAT devices VFs */
857 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
858 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
861 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
864 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
866 /* Amazen Elastic Network Adapter */
867 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
869 /* Cavium Network Adapter */
870 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
872 /* Cavium FastlinQ QL41000 Series */
873 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
876 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
881 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
887 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
888 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
893 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
899 pool_get (conf->dev_confs, devconf);
900 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
901 devconf - conf->dev_confs);
902 devconf->pci_addr.as_u32 = addr->as_u32;
904 devconf->is_blacklisted = 1;
905 clib_error_report (error);
910 vlib_pci_free_device_info (d);
914 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
917 vlib_vmbus_addr_t *addrs, *addr = 0;
919 addrs = vlib_vmbus_get_all_dev_addrs ();
922 vec_foreach (addr, addrs)
924 error = vlib_vmbus_bind_to_uio (addr);
928 clib_error_report (error);
934 static clib_error_t *
935 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
936 unformat_input_t * input, u8 is_default)
938 clib_error_t *error = 0;
940 dpdk_device_config_t *devconf;
941 unformat_input_t sub_input;
945 devconf = &conf->default_devconf;
949 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
953 pool_get (conf->dev_confs, devconf);
954 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
955 devconf - conf->dev_confs);
958 return clib_error_return (0,
959 "duplicate configuration for PCI address %U",
960 format_vlib_pci_addr, &pci_addr);
963 devconf->pci_addr.as_u32 = pci_addr.as_u32;
964 devconf->hqos_enabled = 0;
965 dpdk_device_config_hqos_default (&devconf->hqos);
970 unformat_skip_white_space (input);
971 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
973 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
975 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
977 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
979 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
981 else if (unformat (input, "name %s", &devconf->name))
983 else if (unformat (input, "workers %U", unformat_bitmap_list,
988 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
990 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
994 else if (unformat (input, "vlan-strip-offload off"))
995 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
996 else if (unformat (input, "vlan-strip-offload on"))
997 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
1000 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
1002 devconf->hqos_enabled = 1;
1003 error = unformat_hqos (&sub_input, &devconf->hqos);
1007 else if (unformat (input, "hqos"))
1009 devconf->hqos_enabled = 1;
1013 error = clib_error_return (0, "unknown input `%U'",
1014 format_unformat_error, input);
1022 if (devconf->workers && devconf->num_rx_queues == 0)
1023 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1024 else if (devconf->workers &&
1025 clib_bitmap_count_set_bits (devconf->workers) !=
1026 devconf->num_rx_queues)
1028 clib_error_return (0,
1029 "%U: number of worker threads must be "
1030 "equal to number of rx queues", format_vlib_pci_addr,
1036 static clib_error_t *
1037 dpdk_log_read_ready (clib_file_t * uf)
1039 unformat_input_t input;
1046 uword len = vec_len (s);
1047 vec_resize (s, len + n_try);
1049 n = read (uf->file_descriptor, s + len, n_try);
1050 if (n < 0 && errno != EAGAIN)
1051 return clib_error_return_unix (0, "read");
1052 _vec_len (s) = len + (n < 0 ? 0 : n);
1055 unformat_init_vector (&input, s);
1057 while (unformat_user (&input, unformat_line, &line))
1059 dpdk_log_notice ("%v", line);
1063 unformat_free (&input);
1067 static clib_error_t *
1068 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1070 clib_error_t *error = 0;
1071 dpdk_config_main_t *conf = &dpdk_config_main;
1072 vlib_thread_main_t *tm = vlib_get_thread_main ();
1073 dpdk_device_config_t *devconf;
1074 vlib_pci_addr_t pci_addr;
1075 unformat_input_t sub_input;
1076 uword default_hugepage_sz, x;
1080 int num_whitelisted = 0;
1085 u8 *huge_dir_path = 0;
1089 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1091 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1092 log_level = RTE_LOG_NOTICE;
1094 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1096 /* Prime the pump */
1097 if (unformat (input, "no-hugetlb"))
1099 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1102 else if (unformat (input, "enable-tcp-udp-checksum"))
1103 conf->enable_tcp_udp_checksum = 1;
1105 else if (unformat (input, "no-tx-checksum-offload"))
1106 conf->no_tx_checksum_offload = 1;
1108 else if (unformat (input, "decimal-interface-names"))
1109 conf->interface_name_format_decimal = 1;
1111 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
1114 else if (unformat (input, "no-multi-seg"))
1115 conf->no_multi_seg = 1;
1117 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1121 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1129 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1130 unformat_vlib_cli_sub_input, &sub_input))
1132 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1139 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1141 error = dpdk_device_config (conf, pci_addr, 0, 0);
1148 else if (unformat (input, "num-mem-channels %d", &conf->nchannels))
1149 conf->nchannels_set_manually = 0;
1150 else if (unformat (input, "num-crypto-mbufs %d",
1151 &conf->num_crypto_mbufs))
1153 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1155 else if (unformat (input, "socket-mem %s", &socket_mem))
1157 else if (unformat (input, "no-pci"))
1160 tmp = format (0, "--no-pci%c", 0);
1161 vec_add1 (conf->eal_init_args, tmp);
1163 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1165 u32 blacklist_entry;
1166 if (vendor > 0xFFFF)
1167 return clib_error_return (0, "blacklist PCI vendor out of range");
1168 if (device > 0xFFFF)
1169 return clib_error_return (0, "blacklist PCI device out of range");
1170 blacklist_entry = (vendor << 16) | (device & 0xffff);
1171 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1174 else if (unformat (input, "no-vmbus"))
1177 tmp = format (0, "--no-vmbus%c", 0);
1178 vec_add1 (conf->eal_init_args, tmp);
1182 else if (unformat(input, #a)) \
1184 tmp = format (0, "--%s%c", #a, 0); \
1185 vec_add1 (conf->eal_init_args, tmp); \
1187 foreach_eal_double_hyphen_predicate_arg
1190 else if (unformat(input, #a " %s", &s)) \
1192 if (!strncmp(#a, "file-prefix", 11)) \
1194 tmp = format (0, "--%s%c", #a, 0); \
1195 vec_add1 (conf->eal_init_args, tmp); \
1197 if (!strncmp(#a, "vdev", 4)) \
1198 if (strstr((char*)s, "af_packet")) \
1199 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1200 vec_add1 (conf->eal_init_args, s); \
1202 foreach_eal_double_hyphen_arg
1205 else if (unformat(input, #a " %s", &s)) \
1207 tmp = format (0, "-%s%c", #b, 0); \
1208 vec_add1 (conf->eal_init_args, tmp); \
1210 vec_add1 (conf->eal_init_args, s); \
1212 foreach_eal_single_hyphen_arg
1215 else if (unformat(input, #a " %s", &s)) \
1217 tmp = format (0, "-%s%c", #b, 0); \
1218 vec_add1 (conf->eal_init_args, tmp); \
1220 vec_add1 (conf->eal_init_args, s); \
1221 conf->a##_set_manually = 1; \
1223 foreach_eal_single_hyphen_mandatory_arg
1225 else if (unformat (input, "default"))
1228 else if (unformat_skip_white_space (input))
1232 error = clib_error_return (0, "unknown input `%U'",
1233 format_unformat_error, input);
1238 if (!conf->uio_driver_name)
1239 conf->uio_driver_name = format (0, "auto%c", 0);
1241 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1244 clib_bitmap_foreach (x, tm->cpu_socket_bitmap, (
1248 /* preallocate at least 16MB of hugepages per socket,
1249 if more is needed it is up to consumer to preallocate more */
1250 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1251 n_pages /= default_hugepage_sz;
1253 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1254 clib_error_report (e);
1260 tmp = format (0, "--file-prefix%c", 0);
1261 vec_add1 (conf->eal_init_args, tmp);
1262 tmp = format (0, "vpp%c", 0);
1263 vec_add1 (conf->eal_init_args, tmp);
1269 /* I'll bet that -c and -n must be the first and second args... */
1270 if (!conf->coremask_set_manually)
1272 vlib_thread_registration_t *tr;
1273 uword *coremask = 0;
1276 /* main thread core */
1277 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1279 for (i = 0; i < vec_len (tm->registrations); i++)
1281 tr = tm->registrations[i];
1282 coremask = clib_bitmap_or (coremask, tr->coremask);
1285 vec_insert (conf->eal_init_args, 2, 1);
1286 conf->eal_init_args[1] = (u8 *) "-c";
1287 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1288 conf->eal_init_args[2] = tmp;
1289 clib_bitmap_free (coremask);
1292 if (!conf->nchannels_set_manually)
1294 vec_insert (conf->eal_init_args, 2, 3);
1295 conf->eal_init_args[3] = (u8 *) "-n";
1296 tmp = format (0, "%d", conf->nchannels);
1297 conf->eal_init_args[4] = tmp;
1300 if (no_pci == 0 && geteuid () == 0)
1301 dpdk_bind_devices_to_uio (conf);
1303 if (no_vmbus == 0 && geteuid () == 0)
1304 dpdk_bind_vmbus_devices_to_uio (conf);
1307 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1308 devconf->x = conf->default_devconf.x ;
1311 pool_foreach (devconf, conf->dev_confs, ({
1313 /* default per-device config items */
1314 foreach_dpdk_device_config_item
1316 /* add DPDK EAL whitelist/blacklist entry */
1317 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1319 tmp = format (0, "-w%c", 0);
1320 vec_add1 (conf->eal_init_args, tmp);
1321 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1322 vec_add1 (conf->eal_init_args, tmp);
1324 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1326 tmp = format (0, "-b%c", 0);
1327 vec_add1 (conf->eal_init_args, tmp);
1328 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1329 vec_add1 (conf->eal_init_args, tmp);
1336 /* set master-lcore */
1337 tmp = format (0, "--master-lcore%c", 0);
1338 vec_add1 (conf->eal_init_args, tmp);
1339 tmp = format (0, "%u%c", tm->main_lcore, 0);
1340 vec_add1 (conf->eal_init_args, tmp);
1344 clib_warning ("socket-mem argument is deprecated");
1346 /* NULL terminate the "argv" vector, in case of stupidity */
1347 vec_add1 (conf->eal_init_args, 0);
1348 _vec_len (conf->eal_init_args) -= 1;
1350 /* Set up DPDK eal and packet mbuf pool early. */
1352 rte_log_set_global_level (log_level);
1353 int log_fds[2] = { 0 };
1354 if (pipe (log_fds) == 0)
1356 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1358 FILE *f = fdopen (log_fds[1], "a");
1359 if (f && rte_openlog_stream (f) == 0)
1361 clib_file_t t = { 0 };
1362 t.read_function = dpdk_log_read_ready;
1363 t.file_descriptor = log_fds[0];
1364 t.description = format (0, "DPDK logging pipe");
1365 clib_file_add (&file_main, &t);
1375 vm = vlib_get_main ();
1377 /* make copy of args as rte_eal_init tends to mess up with arg array */
1378 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1379 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1380 conf->eal_init_args[i]);
1382 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1383 ret = rte_eal_init (vec_len (conf->eal_init_args),
1384 (char **) conf->eal_init_args);
1386 /* lazy umount hugepages */
1387 umount2 ((char *) huge_dir_path, MNT_DETACH);
1388 rmdir ((char *) huge_dir_path);
1389 vec_free (huge_dir_path);
1392 return clib_error_return (0, "rte_eal_init returned %d", ret);
1394 /* main thread 1st */
1395 if ((error = dpdk_buffer_pools_create (vm)))
1402 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1405 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1407 vnet_main_t *vnm = vnet_get_main ();
1408 struct rte_eth_link prev_link = xd->link;
1410 u8 hw_flags_chg = 0;
1412 /* only update link state for PMD interfaces */
1413 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1416 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1417 clib_memset (&xd->link, 0, sizeof (xd->link));
1418 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1420 if (LINK_STATE_ELOGS)
1422 vlib_main_t *vm = vlib_get_main ();
1423 ELOG_TYPE_DECLARE (e) =
1426 "update-link-state: sw_if_index %d, admin_up %d,"
1427 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1436 ed = ELOG_DATA (&vm->elog_main, e);
1437 ed->sw_if_index = xd->sw_if_index;
1438 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1439 ed->old_link_state = (u8)
1440 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1441 ed->new_link_state = (u8) xd->link.link_status;
1444 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1445 && ((xd->link.link_status != 0) ^
1446 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1449 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1452 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1455 switch (xd->link.link_duplex)
1457 case ETH_LINK_HALF_DUPLEX:
1458 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1460 case ETH_LINK_FULL_DUPLEX:
1461 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1467 if (xd->link.link_speed != prev_link.link_speed)
1468 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1469 xd->link.link_speed * 1000);
1473 if (LINK_STATE_ELOGS)
1475 vlib_main_t *vm = vlib_get_main ();
1477 ELOG_TYPE_DECLARE (e) =
1480 "update-link-state: sw_if_index %d, new flags %d",.format_args
1488 ed = ELOG_DATA (&vm->elog_main, e);
1489 ed->sw_if_index = xd->sw_if_index;
1490 ed->flags = hw_flags;
1492 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1497 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1499 clib_error_t *error;
1500 vnet_main_t *vnm = vnet_get_main ();
1501 dpdk_main_t *dm = &dpdk_main;
1502 ethernet_main_t *em = ðernet_main;
1504 vlib_thread_main_t *tm = vlib_get_thread_main ();
1508 error = dpdk_lib_init (dm);
1511 clib_error_report (error);
1513 tm->worker_thread_release = 1;
1515 f64 now = vlib_time_now (vm);
1516 vec_foreach (xd, dm->devices)
1518 dpdk_update_link_state (xd, now);
1523 * Extra set up for bond interfaces:
1524 * 1. Setup MACs for bond interfaces and their slave links which was set
1525 * in dpdk_device_setup() but needs to be done again here to take
1527 * 2. Set up info and register slave link state change callback handling.
1528 * 3. Set up info for bond interface related CLI support.
1530 int nports = rte_eth_dev_count_avail ();
1534 RTE_ETH_FOREACH_DEV(i)
1537 for (j = 0; j < nports; j++)
1539 if (dm->devices[j].port_id == i)
1541 xd = &dm->devices[j];
1544 if (xd != NULL && 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",
1561 i, xd->bond_instance_num);
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;
1578 { /* for all slave links */
1579 int slave = slink[--nlink];
1580 dpdk_device_t *sdev = &dm->devices[slave];
1581 vnet_hw_interface_t *shi;
1582 vnet_sw_interface_t *ssi;
1583 ethernet_interface_t *sei;
1584 /* Add MAC to all slave links except the first one */
1587 dpdk_log_info ("Add MAC for slave port %d",
1589 rv = rte_eth_dev_mac_addr_add
1590 (slave, (struct ether_addr *) addr, 0);
1592 dpdk_log_warn ("Add MAC addr failure rv=%d",
1595 /* Setup slave link state change callback handling */
1596 rte_eth_dev_callback_register
1597 (slave, RTE_ETH_EVENT_INTR_LSC,
1598 dpdk_port_state_callback, NULL);
1599 dpdk_device_t *sxd = &dm->devices[slave];
1600 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1602 /* Set slaves bitmap for bonded interface */
1603 bhi->bond_info = clib_bitmap_set
1604 (bhi->bond_info, sdev->hw_if_index, 1);
1605 /* Set MACs and slave link flags on slave interface */
1606 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1607 ssi = vnet_get_sw_interface (vnm, sdev->sw_if_index);
1608 sei = pool_elt_at_index
1609 (em->interfaces, shi->hw_instance);
1610 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1611 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1612 clib_memcpy (shi->hw_address, addr, 6);
1613 clib_memcpy (sei->address, addr, 6);
1614 /* Set l3 packet size allowed as the lowest of slave */
1615 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1616 bhi->max_packet_bytes = shi->max_packet_bytes;
1628 * check each time through the loop in case intervals are changed
1630 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1631 dm->link_state_poll_interval : dm->stat_poll_interval;
1633 vlib_process_wait_for_event_or_clock (vm, min_wait);
1635 if (dm->admin_up_down_in_progress)
1636 /* skip the poll if an admin up down is in progress (on any interface) */
1639 vec_foreach (xd, dm->devices)
1641 f64 now = vlib_time_now (vm);
1642 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1643 dpdk_update_counters (xd, now);
1644 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1645 dpdk_update_link_state (xd, now);
1654 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1655 .function = dpdk_process,
1656 .type = VLIB_NODE_TYPE_PROCESS,
1657 .name = "dpdk-process",
1658 .process_log2_n_stack_bytes = 17,
1662 static clib_error_t *
1663 dpdk_init (vlib_main_t * vm)
1665 dpdk_main_t *dm = &dpdk_main;
1666 clib_error_t *error = 0;
1668 /* verify that structs are cacheline aligned */
1669 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1670 "Cache line marker must be 1st element in dpdk_device_t");
1671 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1672 CLIB_CACHE_LINE_BYTES,
1673 "Data in cache line 0 is bigger than cache line size");
1674 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1675 "Cache line marker must be 1st element in frame_queue_trace_t");
1676 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1677 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1680 dm->vnet_main = vnet_get_main ();
1681 dm->conf = &dpdk_config_main;
1683 dm->conf->nchannels = 4;
1684 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1685 vec_add1 (dm->conf->eal_init_args, (u8 *) "--in-memory");
1687 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1688 dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID |
1689 VLIB_BUFFER_EXT_HDR_VALID |
1690 VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1691 VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
1693 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1694 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1697 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1700 dm->log_default = vlib_log_register_class ("dpdk", 0);
1705 VLIB_INIT_FUNCTION (dpdk_init);
1709 * fd.io coding-style-patch-verification: ON
1712 * eval: (c-set-style "gnu")