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>
41 #include <dpdk/device/dpdk_priv.h>
43 #define ETHER_MAX_LEN 1518 /**< Maximum frame len, including CRC. */
45 dpdk_main_t dpdk_main;
46 dpdk_config_main_t dpdk_config_main;
48 #define LINK_STATE_ELOGS 0
50 /* Port configuration, mildly modified Intel app values */
52 static dpdk_port_type_t
53 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
56 if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
57 return VNET_DPDK_PORT_TYPE_ETH_100G;
58 else if (dev_info->speed_capa & ETH_LINK_SPEED_56G)
59 return VNET_DPDK_PORT_TYPE_ETH_56G;
60 else if (dev_info->speed_capa & ETH_LINK_SPEED_50G)
61 return VNET_DPDK_PORT_TYPE_ETH_50G;
62 else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
63 return VNET_DPDK_PORT_TYPE_ETH_40G;
64 else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
65 return VNET_DPDK_PORT_TYPE_ETH_25G;
66 else if (dev_info->speed_capa & ETH_LINK_SPEED_20G)
67 return VNET_DPDK_PORT_TYPE_ETH_20G;
68 else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
69 return VNET_DPDK_PORT_TYPE_ETH_10G;
70 else if (dev_info->speed_capa & ETH_LINK_SPEED_5G)
71 return VNET_DPDK_PORT_TYPE_ETH_5G;
72 else if (dev_info->speed_capa & ETH_LINK_SPEED_2_5G)
73 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
74 else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
75 return VNET_DPDK_PORT_TYPE_ETH_1G;
77 return VNET_DPDK_PORT_TYPE_UNKNOWN;
80 static dpdk_port_type_t
81 port_type_from_link_speed (u32 link_speed)
85 case ETH_SPEED_NUM_1G:
86 return VNET_DPDK_PORT_TYPE_ETH_1G;
87 case ETH_SPEED_NUM_2_5G:
88 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
89 case ETH_SPEED_NUM_5G:
90 return VNET_DPDK_PORT_TYPE_ETH_5G;
91 case ETH_SPEED_NUM_10G:
92 return VNET_DPDK_PORT_TYPE_ETH_10G;
93 case ETH_SPEED_NUM_20G:
94 return VNET_DPDK_PORT_TYPE_ETH_20G;
95 case ETH_SPEED_NUM_25G:
96 return VNET_DPDK_PORT_TYPE_ETH_25G;
97 case ETH_SPEED_NUM_40G:
98 return VNET_DPDK_PORT_TYPE_ETH_40G;
99 case ETH_SPEED_NUM_50G:
100 return VNET_DPDK_PORT_TYPE_ETH_50G;
101 case ETH_SPEED_NUM_56G:
102 return VNET_DPDK_PORT_TYPE_ETH_56G;
103 case ETH_SPEED_NUM_100G:
104 return VNET_DPDK_PORT_TYPE_ETH_100G;
106 return VNET_DPDK_PORT_TYPE_UNKNOWN;
111 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
113 dpdk_main_t *dm = &dpdk_main;
114 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
117 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
119 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
121 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
122 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
124 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
126 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
128 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
129 rte_eth_promiscuous_enable (xd->port_id);
131 rte_eth_promiscuous_disable (xd->port_id);
134 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
136 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
137 dpdk_device_setup (xd);
143 dpdk_device_lock_init (dpdk_device_t * xd)
146 vec_validate (xd->lockp, xd->tx_q_used - 1);
147 for (q = 0; q < xd->tx_q_used; q++)
149 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
150 CLIB_CACHE_LINE_BYTES);
151 clib_memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
156 dpdk_port_crc_strip_enabled (dpdk_device_t * xd)
158 return !(xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC);
161 /* The funciton check_l3cache helps check if Level 3 cache exists or not on current CPUs
162 return value 1: exist.
163 return value 0: not exist.
171 const char *sys_cache_dir = "/sys/devices/system/cpu/cpu0/cache";
172 DIR *dir_cache = opendir (sys_cache_dir);
174 if (dir_cache == NULL)
177 while ((dp = readdir (dir_cache)) != NULL)
179 if (dp->d_type == DT_DIR)
182 int level_cache = -1;
184 p = format (p, "%s/%s/%s", sys_cache_dir, dp->d_name, "level");
185 if ((err = clib_sysfs_read ((char *) p, "%d", &level_cache)))
186 clib_error_free (err);
188 if (level_cache == 3)
190 closedir (dir_cache);
196 if (dir_cache != NULL)
197 closedir (dir_cache);
202 static clib_error_t *
203 dpdk_lib_init (dpdk_main_t * dm)
206 u32 mtu, max_rx_frame;
209 vlib_main_t *vm = vlib_get_main ();
210 vlib_thread_main_t *tm = vlib_get_thread_main ();
211 vnet_device_main_t *vdm = &vnet_device_main;
212 vnet_sw_interface_t *sw;
213 vnet_hw_interface_t *hi;
215 vlib_pci_addr_t last_pci_addr;
216 u32 last_pci_addr_port = 0;
217 vlib_thread_registration_t *tr_hqos;
220 u32 next_hqos_cpu = 0;
221 u8 af_packet_instance_num = 0;
222 last_pci_addr.as_u32 = ~0;
224 dm->hqos_cpu_first_index = 0;
225 dm->hqos_cpu_count = 0;
227 /* find out which cpus will be used for I/O TX */
228 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
229 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
231 if (tr_hqos && tr_hqos->count > 0)
233 dm->hqos_cpu_first_index = tr_hqos->first_index;
234 dm->hqos_cpu_count = tr_hqos->count;
237 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
238 CLIB_CACHE_LINE_BYTES);
240 nports = rte_eth_dev_count_avail ();
244 dpdk_log_notice ("DPDK drivers found no ports...");
248 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
250 if (dm->conf->enable_tcp_udp_checksum)
251 dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
252 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
254 /* vlib_buffer_t template */
255 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
256 CLIB_CACHE_LINE_BYTES);
257 for (i = 0; i < tm->n_vlib_mains; i++)
259 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
260 clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
261 ptd->buffer_template.flags = dm->buffer_flags_template;
262 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
266 RTE_ETH_FOREACH_DEV(i)
270 struct rte_eth_dev_info dev_info;
271 struct rte_pci_device *pci_dev;
272 struct rte_eth_link l;
273 dpdk_portid_t next_port_id;
274 dpdk_device_config_t *devconf = 0;
275 vlib_pci_addr_t pci_addr;
278 if (!rte_eth_dev_is_valid_port(i))
281 rte_eth_link_get_nowait (i, &l);
282 rte_eth_dev_info_get (i, &dev_info);
284 if (dev_info.device == 0)
286 clib_warning ("DPDK bug: missing device info. Skipping %s device",
287 dev_info.driver_name);
291 pci_dev = dpdk_get_pci_device (&dev_info);
295 pci_addr.domain = pci_dev->addr.domain;
296 pci_addr.bus = pci_dev->addr.bus;
297 pci_addr.slot = pci_dev->addr.devid;
298 pci_addr.function = pci_dev->addr.function;
299 p = hash_get (dm->conf->device_config_index_by_pci_addr,
304 /* Create vnet interface */
305 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
306 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
307 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
308 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
312 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
313 xd->name = devconf->name;
316 devconf = &dm->conf->default_devconf;
318 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
320 ((next_port_id = rte_eth_find_next (i + 1)) != RTE_MAX_ETHPORTS))
322 struct rte_eth_dev_info di = { 0 };
323 struct rte_pci_device *next_pci_dev;
324 rte_eth_dev_info_get (next_port_id, &di);
325 next_pci_dev = di.device ? RTE_DEV_TO_PCI (di.device) : 0;
327 pci_addr.as_u32 != last_pci_addr.as_u32 &&
328 memcmp (&pci_dev->addr, &next_pci_dev->addr,
329 sizeof (struct rte_pci_addr)) == 0)
331 xd->interface_name_suffix = format (0, "0");
332 last_pci_addr.as_u32 = pci_addr.as_u32;
333 last_pci_addr_port = i;
335 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
337 xd->interface_name_suffix =
338 format (0, "%u", i - last_pci_addr_port);
342 last_pci_addr.as_u32 = ~0;
346 last_pci_addr.as_u32 = ~0;
348 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
349 sizeof (struct rte_eth_txconf));
351 if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
353 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
354 xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
357 if (dm->conf->no_multi_seg)
359 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
360 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
361 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
365 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
366 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
367 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
368 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
371 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
373 if (devconf->num_tx_queues > 0
374 && devconf->num_tx_queues < xd->tx_q_used)
375 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
377 if (devconf->num_rx_queues > 1
378 && dev_info.max_rx_queues >= devconf->num_rx_queues)
380 xd->rx_q_used = devconf->num_rx_queues;
381 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
382 if (devconf->rss_fn == 0)
383 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
384 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
387 u64 unsupported_bits;
388 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
389 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
390 unsupported_bits &= ~dev_info.flow_type_rss_offloads;
391 if (unsupported_bits)
392 dpdk_log_warn ("Unsupported RSS hash functions: %U",
393 format_dpdk_rss_hf_name, unsupported_bits);
395 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
396 dev_info.flow_type_rss_offloads;
401 xd->flags |= DPDK_DEVICE_FLAG_PMD;
403 /* workaround for drivers not setting driver_name */
404 if ((!dev_info.driver_name) && (pci_dev))
405 dev_info.driver_name = pci_dev->driver->driver.name;
407 ASSERT (dev_info.driver_name);
413 #define _(s,f) else if (dev_info.driver_name && \
414 !strcmp(dev_info.driver_name, s)) \
415 xd->pmd = VNET_DPDK_PMD_##f;
421 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
423 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
424 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
425 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
429 /* Drivers with valid speed_capa set */
430 case VNET_DPDK_PMD_E1000EM:
431 case VNET_DPDK_PMD_IGB:
432 case VNET_DPDK_PMD_IXGBE:
433 case VNET_DPDK_PMD_I40E:
434 case VNET_DPDK_PMD_ICE:
435 xd->port_type = port_type_from_speed_capa (&dev_info);
436 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
437 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
438 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
439 VNET_FLOW_ACTION_BUFFER_ADVANCE |
440 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
442 if (dm->conf->no_tx_checksum_offload == 0)
444 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
445 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
447 DPDK_DEVICE_FLAG_TX_OFFLOAD |
448 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
453 case VNET_DPDK_PMD_CXGBE:
454 case VNET_DPDK_PMD_MLX4:
455 case VNET_DPDK_PMD_MLX5:
456 case VNET_DPDK_PMD_QEDE:
457 xd->port_type = port_type_from_speed_capa (&dev_info);
461 case VNET_DPDK_PMD_IGBVF:
462 case VNET_DPDK_PMD_IXGBEVF:
463 case VNET_DPDK_PMD_I40EVF:
464 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
467 case VNET_DPDK_PMD_THUNDERX:
468 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
470 if (dm->conf->no_tx_checksum_offload == 0)
472 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
473 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
474 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
478 case VNET_DPDK_PMD_ENA:
479 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
480 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
483 case VNET_DPDK_PMD_DPAA2:
484 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
488 case VNET_DPDK_PMD_ENIC:
489 xd->port_type = port_type_from_link_speed (l.link_speed);
492 /* Intel Red Rock Canyon */
493 case VNET_DPDK_PMD_FM10K:
494 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
498 case VNET_DPDK_PMD_VIRTIO:
499 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
500 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
501 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
505 case VNET_DPDK_PMD_VMXNET3:
506 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
507 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
510 case VNET_DPDK_PMD_AF_PACKET:
511 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
512 xd->af_packet_instance_num = af_packet_instance_num++;
515 case VNET_DPDK_PMD_VIRTIO_USER:
516 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
519 case VNET_DPDK_PMD_VHOST_ETHER:
520 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
523 case VNET_DPDK_PMD_LIOVF_ETHER:
524 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
527 case VNET_DPDK_PMD_FAILSAFE:
528 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
529 xd->port_conf.intr_conf.lsc = 1;
532 case VNET_DPDK_PMD_NETVSC:
533 xd->port_type = port_type_from_link_speed (l.link_speed);
537 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
540 if (devconf->num_rx_desc)
541 xd->nb_rx_desc = devconf->num_rx_desc;
544 /* If num_rx_desc is not specified by VPP user, the current CPU is working
545 with 2M page and has no L3 cache, default num_rx_desc is changed to 512
546 from original 1024 to help reduce TLB misses.
548 if ((clib_mem_get_default_hugepage_size () == 2 << 20)
549 && check_l3cache() == 0)
550 xd->nb_rx_desc = 512;
553 if (devconf->num_tx_desc)
554 xd->nb_tx_desc = devconf->num_tx_desc;
557 /* If num_tx_desc is not specified by VPP user, the current CPU is working
558 with 2M page and has no L3 cache, default num_tx_desc is changed to 512
559 from original 1024 to help reduce TLB misses.
561 if ((clib_mem_get_default_hugepage_size () == 2 << 20)
562 && check_l3cache() == 0)
563 xd->nb_tx_desc = 512;
567 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
569 f64 now = vlib_time_now (vm);
571 rnd = (u32) (now * 1e6);
572 rnd = random_u32 (&rnd);
573 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
578 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
580 if (xd->tx_q_used < tm->n_vlib_mains)
581 dpdk_device_lock_init (xd);
584 xd->device_index = xd - dm->devices;
585 xd->per_interface_next_index = ~0;
587 /* assign interface to input thread */
590 if (devconf->hqos_enabled)
592 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
595 if (devconf->hqos.hqos_thread_valid)
597 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
598 return clib_error_return (0, "invalid HQoS thread index");
600 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
604 if (dm->hqos_cpu_count == 0)
605 return clib_error_return (0, "no HQoS threads available");
607 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
610 if (next_hqos_cpu == dm->hqos_cpu_count)
613 devconf->hqos.hqos_thread_valid = 1;
614 devconf->hqos.hqos_thread = cpu;
617 dpdk_device_and_queue_t *dq;
618 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
619 dq->device = xd->device_index;
623 error = ethernet_register_interface
624 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
625 /* ethernet address */ addr,
626 &xd->hw_if_index, dpdk_flag_change);
631 * Ensure default mtu is not > the mtu read from the hardware.
632 * Otherwise rte_eth_dev_configure() will fail and the port will
634 * Calculate max_frame_size and mtu supported by NIC
636 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
639 * This device does not support the platforms's max frame
640 * size. Use it's advertised mru instead.
642 max_rx_frame = dev_info.max_rx_pktlen;
643 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
647 /* VPP treats MTU and max_rx_pktlen both equal to
648 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
649 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
651 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
652 sizeof (ethernet_header_t)))
654 mtu = ETHERNET_MAX_PACKET_BYTES;
655 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
658 * Some platforms do not account for Ethernet FCS (4 bytes) in
659 * MTU calculations. To interop with them increase mru but only
660 * if the device's settings can support it.
662 if (dpdk_port_crc_strip_enabled (xd) &&
663 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
664 sizeof (ethernet_header_t) +
672 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
673 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
675 if (dpdk_port_crc_strip_enabled (xd) &&
676 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
683 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
685 /* failsafe device numerables are reported with active device only,
686 * need to query the mtu for current device setup to overwrite
690 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
693 max_rx_frame = mtu + sizeof (ethernet_header_t);
695 if (dpdk_port_crc_strip_enabled (xd))
702 /*Set port rxmode config */
703 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
705 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
706 xd->sw_if_index = sw->sw_if_index;
707 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
708 dpdk_input_node.index);
710 if (devconf->workers)
714 clib_bitmap_foreach (i, devconf->workers, ({
715 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
716 vdm->first_worker_thread_index + i);
720 for (q = 0; q < xd->rx_q_used; q++)
722 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
726 /*Get vnet hardware interface */
727 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
729 /*Override default max_packet_bytes and max_supported_bytes set in
730 * ethernet_register_interface() above*/
733 hi->max_packet_bytes = mtu;
734 hi->max_supported_packet_bytes = max_rx_frame;
737 if (dm->conf->no_tx_checksum_offload == 0)
738 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
739 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
741 dpdk_device_setup (xd);
743 if (vec_len (xd->errors))
744 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
745 format_dpdk_device_name, i,
746 format_dpdk_device_errors, xd);
748 if (devconf->hqos_enabled)
751 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
757 * A note on Cisco VIC (PMD_ENIC) and VLAN:
759 * With Cisco VIC vNIC, every ingress packet is tagged. On a
760 * trunk vNIC (C series "standalone" server), packets on no VLAN
761 * are tagged with vlan 0. On an access vNIC (standalone or B
762 * series "blade" server), packets on the default/native VLAN
763 * are tagged with that vNIC's VLAN. VPP expects these packets
764 * to be untagged, and previously enabled VLAN strip on VIC by
765 * default. But it also broke vlan sub-interfaces.
767 * The VIC adapter has "untag default vlan" ingress VLAN rewrite
768 * mode, which removes tags from these packets. VPP now includes
769 * a local patch for the enic driver to use this untag mode, so
770 * enabling vlan stripping is no longer needed. In future, the
771 * driver + dpdk will have an API to set the mode after
772 * rte_eal_init. Then, this note and local patch will be
777 * VLAN stripping: default to VLAN strip disabled, unless specified
778 * otherwise in the startup config.
780 if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
786 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
787 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
789 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
791 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
792 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) == 0)
793 dpdk_log_info ("VLAN strip enabled for interface\n");
795 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
799 hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
800 - sizeof (ethernet_header_t);
802 clib_warning ("hi NULL");
804 if (dm->conf->no_multi_seg)
805 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
807 rte_eth_dev_set_mtu (xd->port_id, mtu);
815 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
817 vlib_main_t *vm = vlib_get_main ();
820 int num_whitelisted = vec_len (conf->dev_confs);
821 vlib_pci_device_info_t *d = 0;
822 vlib_pci_addr_t *addr = 0, *addrs;
825 addrs = vlib_pci_get_all_dev_addrs ();
827 vec_foreach (addr, addrs)
829 dpdk_device_config_t * devconf = 0;
830 vec_reset_length (pci_addr);
831 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
834 vlib_pci_free_device_info (d);
837 d = vlib_pci_get_device_info (vm, addr, &error);
840 clib_error_report (error);
844 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
849 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
857 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
860 /* Enforce Device blacklist by vendor and device */
861 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
864 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
865 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
866 if (d->vendor_id == vendor && d->device_id == device)
869 * Expected case: device isn't whitelisted,
874 /* Device is blacklisted */
875 pool_get (conf->dev_confs, devconf);
876 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
877 devconf - conf->dev_confs);
878 devconf->pci_addr.as_u32 = addr->as_u32;
879 devconf->is_blacklisted = 1;
882 else /* explicitly whitelisted, ignore the device blacklist */
888 if (d->vendor_id == 0x1af4 &&
889 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
890 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
893 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
896 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
897 * the default is to put it in the blacklist.
901 pool_get (conf->dev_confs, devconf);
902 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
903 devconf - conf->dev_confs);
904 devconf->pci_addr.as_u32 = addr->as_u32;
905 devconf->is_blacklisted = 1;
908 /* all Intel network devices */
909 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
911 /* all Intel QAT devices VFs */
912 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
913 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
916 else if (d->vendor_id == 0x1137 &&
917 (d->device_id == 0x0043 || d->device_id == 0x0071))
920 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
922 /* Amazen Elastic Network Adapter */
923 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
925 /* Cavium Network Adapter */
926 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
928 /* Cavium FastlinQ QL41000 Series */
929 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
932 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
937 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
943 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
944 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
949 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
955 pool_get (conf->dev_confs, devconf);
956 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
957 devconf - conf->dev_confs);
958 devconf->pci_addr.as_u32 = addr->as_u32;
960 devconf->is_blacklisted = 1;
961 clib_error_report (error);
966 vlib_pci_free_device_info (d);
970 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
973 vlib_vmbus_addr_t *addrs, *addr = 0;
975 addrs = vlib_vmbus_get_all_dev_addrs ();
978 vec_foreach (addr, addrs)
980 error = vlib_vmbus_bind_to_uio (addr);
984 clib_error_report (error);
990 static clib_error_t *
991 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
992 unformat_input_t * input, u8 is_default)
994 clib_error_t *error = 0;
996 dpdk_device_config_t *devconf;
997 unformat_input_t sub_input;
1001 devconf = &conf->default_devconf;
1005 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
1009 pool_get (conf->dev_confs, devconf);
1010 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
1011 devconf - conf->dev_confs);
1014 return clib_error_return (0,
1015 "duplicate configuration for PCI address %U",
1016 format_vlib_pci_addr, &pci_addr);
1019 devconf->pci_addr.as_u32 = pci_addr.as_u32;
1020 devconf->hqos_enabled = 0;
1022 dpdk_device_config_hqos_default (&devconf->hqos);
1028 unformat_skip_white_space (input);
1029 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1031 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1033 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1035 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1037 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1039 else if (unformat (input, "name %s", &devconf->name))
1041 else if (unformat (input, "workers %U", unformat_bitmap_list,
1046 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1048 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1052 else if (unformat (input, "vlan-strip-offload off"))
1053 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
1054 else if (unformat (input, "vlan-strip-offload on"))
1055 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
1058 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
1060 devconf->hqos_enabled = 1;
1061 error = unformat_hqos (&sub_input, &devconf->hqos);
1065 else if (unformat (input, "hqos"))
1067 devconf->hqos_enabled = 1;
1071 error = clib_error_return (0, "unknown input `%U'",
1072 format_unformat_error, input);
1080 if (devconf->workers && devconf->num_rx_queues == 0)
1081 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1082 else if (devconf->workers &&
1083 clib_bitmap_count_set_bits (devconf->workers) !=
1084 devconf->num_rx_queues)
1086 clib_error_return (0,
1087 "%U: number of worker threads must be "
1088 "equal to number of rx queues", format_vlib_pci_addr,
1094 static clib_error_t *
1095 dpdk_log_read_ready (clib_file_t * uf)
1097 unformat_input_t input;
1104 uword len = vec_len (s);
1105 vec_resize (s, len + n_try);
1107 n = read (uf->file_descriptor, s + len, n_try);
1108 if (n < 0 && errno != EAGAIN)
1109 return clib_error_return_unix (0, "read");
1110 _vec_len (s) = len + (n < 0 ? 0 : n);
1113 unformat_init_vector (&input, s);
1115 while (unformat_user (&input, unformat_line, &line))
1117 dpdk_log_notice ("%v", line);
1121 unformat_free (&input);
1125 static clib_error_t *
1126 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1128 clib_error_t *error = 0;
1129 dpdk_config_main_t *conf = &dpdk_config_main;
1130 vlib_thread_main_t *tm = vlib_get_thread_main ();
1131 dpdk_device_config_t *devconf;
1132 vlib_pci_addr_t pci_addr;
1133 unformat_input_t sub_input;
1134 uword default_hugepage_sz, x;
1137 int num_whitelisted = 0;
1142 u8 *huge_dir_path = 0;
1146 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1148 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1150 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1152 /* Prime the pump */
1153 if (unformat (input, "no-hugetlb"))
1155 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1158 else if (unformat (input, "enable-tcp-udp-checksum"))
1159 conf->enable_tcp_udp_checksum = 1;
1161 else if (unformat (input, "no-tx-checksum-offload"))
1162 conf->no_tx_checksum_offload = 1;
1164 else if (unformat (input, "decimal-interface-names"))
1165 conf->interface_name_format_decimal = 1;
1167 else if (unformat (input, "no-multi-seg"))
1168 conf->no_multi_seg = 1;
1170 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1174 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1182 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1183 unformat_vlib_cli_sub_input, &sub_input))
1185 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1192 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1194 error = dpdk_device_config (conf, pci_addr, 0, 0);
1201 else if (unformat (input, "num-mem-channels %d", &conf->nchannels))
1202 conf->nchannels_set_manually = 0;
1203 else if (unformat (input, "num-crypto-mbufs %d",
1204 &conf->num_crypto_mbufs))
1206 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1208 else if (unformat (input, "socket-mem %s", &socket_mem))
1210 else if (unformat (input, "no-pci"))
1213 tmp = format (0, "--no-pci%c", 0);
1214 vec_add1 (conf->eal_init_args, tmp);
1216 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1218 u32 blacklist_entry;
1219 if (vendor > 0xFFFF)
1220 return clib_error_return (0, "blacklist PCI vendor out of range");
1221 if (device > 0xFFFF)
1222 return clib_error_return (0, "blacklist PCI device out of range");
1223 blacklist_entry = (vendor << 16) | (device & 0xffff);
1224 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1227 else if (unformat (input, "no-vmbus"))
1230 tmp = format (0, "--no-vmbus%c", 0);
1231 vec_add1 (conf->eal_init_args, tmp);
1235 else if (unformat(input, #a)) \
1237 tmp = format (0, "--%s%c", #a, 0); \
1238 vec_add1 (conf->eal_init_args, tmp); \
1240 foreach_eal_double_hyphen_predicate_arg
1243 else if (unformat(input, #a " %s", &s)) \
1245 if (!strncmp(#a, "file-prefix", 11)) \
1247 tmp = format (0, "--%s%c", #a, 0); \
1248 vec_add1 (conf->eal_init_args, tmp); \
1250 if (!strncmp(#a, "vdev", 4)) \
1251 if (strstr((char*)s, "af_packet")) \
1252 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1253 vec_add1 (conf->eal_init_args, s); \
1255 foreach_eal_double_hyphen_arg
1258 else if (unformat(input, #a " %s", &s)) \
1260 tmp = format (0, "-%s%c", #b, 0); \
1261 vec_add1 (conf->eal_init_args, tmp); \
1263 vec_add1 (conf->eal_init_args, s); \
1265 foreach_eal_single_hyphen_arg
1268 else if (unformat(input, #a " %s", &s)) \
1270 tmp = format (0, "-%s%c", #b, 0); \
1271 vec_add1 (conf->eal_init_args, tmp); \
1273 vec_add1 (conf->eal_init_args, s); \
1274 conf->a##_set_manually = 1; \
1276 foreach_eal_single_hyphen_mandatory_arg
1278 else if (unformat (input, "default"))
1281 else if (unformat_skip_white_space (input))
1285 error = clib_error_return (0, "unknown input `%U'",
1286 format_unformat_error, input);
1291 if (!conf->uio_driver_name)
1292 conf->uio_driver_name = format (0, "auto%c", 0);
1294 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1297 clib_bitmap_foreach (x, tm->cpu_socket_bitmap, (
1301 /* preallocate at least 16MB of hugepages per socket,
1302 if more is needed it is up to consumer to preallocate more */
1303 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1304 n_pages /= default_hugepage_sz;
1306 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1307 clib_error_report (e);
1313 tmp = format (0, "--file-prefix%c", 0);
1314 vec_add1 (conf->eal_init_args, tmp);
1315 tmp = format (0, "vpp%c", 0);
1316 vec_add1 (conf->eal_init_args, tmp);
1322 /* I'll bet that -c and -n must be the first and second args... */
1323 if (!conf->coremask_set_manually)
1325 vlib_thread_registration_t *tr;
1326 uword *coremask = 0;
1329 /* main thread core */
1330 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1332 for (i = 0; i < vec_len (tm->registrations); i++)
1334 tr = tm->registrations[i];
1335 coremask = clib_bitmap_or (coremask, tr->coremask);
1338 vec_insert (conf->eal_init_args, 2, 1);
1339 conf->eal_init_args[1] = (u8 *) "-c";
1340 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1341 conf->eal_init_args[2] = tmp;
1342 clib_bitmap_free (coremask);
1345 if (!conf->nchannels_set_manually)
1347 vec_insert (conf->eal_init_args, 2, 3);
1348 conf->eal_init_args[3] = (u8 *) "-n";
1349 tmp = format (0, "%d", conf->nchannels);
1350 conf->eal_init_args[4] = tmp;
1353 if (no_pci == 0 && geteuid () == 0)
1354 dpdk_bind_devices_to_uio (conf);
1356 if (no_vmbus == 0 && geteuid () == 0)
1357 dpdk_bind_vmbus_devices_to_uio (conf);
1360 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1361 devconf->x = conf->default_devconf.x ;
1364 pool_foreach (devconf, conf->dev_confs, ({
1366 /* default per-device config items */
1367 foreach_dpdk_device_config_item
1369 /* copy vlan_strip config from default device */
1370 if (devconf->vlan_strip_offload == 0 &&
1371 conf->default_devconf.vlan_strip_offload > 0)
1372 devconf->vlan_strip_offload =
1373 conf->default_devconf.vlan_strip_offload;
1375 /* add DPDK EAL whitelist/blacklist entry */
1376 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1378 tmp = format (0, "-w%c", 0);
1379 vec_add1 (conf->eal_init_args, tmp);
1380 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1381 vec_add1 (conf->eal_init_args, tmp);
1383 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1385 tmp = format (0, "-b%c", 0);
1386 vec_add1 (conf->eal_init_args, tmp);
1387 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1388 vec_add1 (conf->eal_init_args, tmp);
1395 /* set master-lcore */
1396 tmp = format (0, "--master-lcore%c", 0);
1397 vec_add1 (conf->eal_init_args, tmp);
1398 tmp = format (0, "%u%c", tm->main_lcore, 0);
1399 vec_add1 (conf->eal_init_args, tmp);
1403 clib_warning ("socket-mem argument is deprecated");
1405 /* NULL terminate the "argv" vector, in case of stupidity */
1406 vec_add1 (conf->eal_init_args, 0);
1407 _vec_len (conf->eal_init_args) -= 1;
1409 /* Set up DPDK eal and packet mbuf pool early. */
1411 int log_fds[2] = { 0 };
1412 if (pipe (log_fds) == 0)
1414 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1416 FILE *f = fdopen (log_fds[1], "a");
1417 if (f && rte_openlog_stream (f) == 0)
1419 clib_file_t t = { 0 };
1420 t.read_function = dpdk_log_read_ready;
1421 t.file_descriptor = log_fds[0];
1422 t.description = format (0, "DPDK logging pipe");
1423 clib_file_add (&file_main, &t);
1433 vm = vlib_get_main ();
1435 /* make copy of args as rte_eal_init tends to mess up with arg array */
1436 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1437 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1438 conf->eal_init_args[i]);
1440 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1441 ret = rte_eal_init (vec_len (conf->eal_init_args),
1442 (char **) conf->eal_init_args);
1444 /* lazy umount hugepages */
1445 umount2 ((char *) huge_dir_path, MNT_DETACH);
1446 rmdir ((char *) huge_dir_path);
1447 vec_free (huge_dir_path);
1450 return clib_error_return (0, "rte_eal_init returned %d", ret);
1452 /* main thread 1st */
1453 if ((error = dpdk_buffer_pools_create (vm)))
1460 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1463 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1465 vnet_main_t *vnm = vnet_get_main ();
1466 struct rte_eth_link prev_link = xd->link;
1468 u8 hw_flags_chg = 0;
1470 /* only update link state for PMD interfaces */
1471 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1474 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1475 clib_memset (&xd->link, 0, sizeof (xd->link));
1476 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1478 if (LINK_STATE_ELOGS)
1480 vlib_main_t *vm = vlib_get_main ();
1481 ELOG_TYPE_DECLARE (e) =
1484 "update-link-state: sw_if_index %d, admin_up %d,"
1485 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1494 ed = ELOG_DATA (&vm->elog_main, e);
1495 ed->sw_if_index = xd->sw_if_index;
1496 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1497 ed->old_link_state = (u8)
1498 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1499 ed->new_link_state = (u8) xd->link.link_status;
1502 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1505 switch (xd->link.link_duplex)
1507 case ETH_LINK_HALF_DUPLEX:
1508 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1510 case ETH_LINK_FULL_DUPLEX:
1511 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1517 if (xd->link.link_speed != prev_link.link_speed)
1518 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1519 xd->link.link_speed * 1000);
1523 if (LINK_STATE_ELOGS)
1525 vlib_main_t *vm = vlib_get_main ();
1527 ELOG_TYPE_DECLARE (e) =
1530 "update-link-state: sw_if_index %d, new flags %d",.format_args
1538 ed = ELOG_DATA (&vm->elog_main, e);
1539 ed->sw_if_index = xd->sw_if_index;
1540 ed->flags = hw_flags;
1542 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1547 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1549 clib_error_t *error;
1550 dpdk_main_t *dm = &dpdk_main;
1552 vlib_thread_main_t *tm = vlib_get_thread_main ();
1554 error = dpdk_lib_init (dm);
1557 clib_error_report (error);
1559 tm->worker_thread_release = 1;
1561 f64 now = vlib_time_now (vm);
1562 vec_foreach (xd, dm->devices)
1564 dpdk_update_link_state (xd, now);
1570 * check each time through the loop in case intervals are changed
1572 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1573 dm->link_state_poll_interval : dm->stat_poll_interval;
1575 vlib_process_wait_for_event_or_clock (vm, min_wait);
1577 if (dm->admin_up_down_in_progress)
1578 /* skip the poll if an admin up down is in progress (on any interface) */
1581 vec_foreach (xd, dm->devices)
1583 f64 now = vlib_time_now (vm);
1584 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1585 dpdk_update_counters (xd, now);
1586 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1587 dpdk_update_link_state (xd, now);
1596 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1597 .function = dpdk_process,
1598 .type = VLIB_NODE_TYPE_PROCESS,
1599 .name = "dpdk-process",
1600 .process_log2_n_stack_bytes = 17,
1604 static clib_error_t *
1605 dpdk_init (vlib_main_t * vm)
1607 dpdk_main_t *dm = &dpdk_main;
1608 clib_error_t *error = 0;
1610 /* verify that structs are cacheline aligned */
1611 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1612 "Cache line marker must be 1st element in dpdk_device_t");
1613 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1614 CLIB_CACHE_LINE_BYTES,
1615 "Data in cache line 0 is bigger than cache line size");
1616 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1617 "Cache line marker must be 1st element in frame_queue_trace_t");
1618 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1619 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1621 dpdk_cli_reference ();
1624 dm->vnet_main = vnet_get_main ();
1625 dm->conf = &dpdk_config_main;
1627 dm->conf->nchannels = 4;
1628 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1629 vec_add1 (dm->conf->eal_init_args, (u8 *) "--in-memory");
1631 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1632 dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID |
1633 VLIB_BUFFER_EXT_HDR_VALID |
1634 VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1635 VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
1637 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1638 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1640 dm->log_default = vlib_log_register_class ("dpdk", 0);
1645 VLIB_INIT_FUNCTION (dpdk_init);
1648 * fd.io coding-style-patch-verification: ON
1651 * eval: (c-set-style "gnu")