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;
735 hi->numa_node = xd->cpu_socket;
738 if (dm->conf->no_tx_checksum_offload == 0)
739 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
740 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
742 dpdk_device_setup (xd);
744 if (vec_len (xd->errors))
745 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
746 format_dpdk_device_name, i,
747 format_dpdk_device_errors, xd);
749 if (devconf->hqos_enabled)
752 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
758 * A note on Cisco VIC (PMD_ENIC) and VLAN:
760 * With Cisco VIC vNIC, every ingress packet is tagged. On a
761 * trunk vNIC (C series "standalone" server), packets on no VLAN
762 * are tagged with vlan 0. On an access vNIC (standalone or B
763 * series "blade" server), packets on the default/native VLAN
764 * are tagged with that vNIC's VLAN. VPP expects these packets
765 * to be untagged, and previously enabled VLAN strip on VIC by
766 * default. But it also broke vlan sub-interfaces.
768 * The VIC adapter has "untag default vlan" ingress VLAN rewrite
769 * mode, which removes tags from these packets. VPP now includes
770 * a local patch for the enic driver to use this untag mode, so
771 * enabling vlan stripping is no longer needed. In future, the
772 * driver + dpdk will have an API to set the mode after
773 * rte_eal_init. Then, this note and local patch will be
778 * VLAN stripping: default to VLAN strip disabled, unless specified
779 * otherwise in the startup config.
782 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
783 if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
785 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
786 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) >= 0)
787 dpdk_log_info ("VLAN strip enabled for interface\n");
789 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
790 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
794 if (vlan_off & ETH_VLAN_STRIP_OFFLOAD)
796 vlan_off &= ~ETH_VLAN_STRIP_OFFLOAD;
797 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) >= 0)
798 dpdk_log_warn ("set VLAN offload failed\n");
800 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
804 hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
805 - sizeof (ethernet_header_t);
807 clib_warning ("hi NULL");
809 if (dm->conf->no_multi_seg)
810 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
812 rte_eth_dev_set_mtu (xd->port_id, mtu);
820 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
822 vlib_main_t *vm = vlib_get_main ();
825 int num_whitelisted = vec_len (conf->dev_confs);
826 vlib_pci_device_info_t *d = 0;
827 vlib_pci_addr_t *addr = 0, *addrs;
830 addrs = vlib_pci_get_all_dev_addrs ();
832 vec_foreach (addr, addrs)
834 dpdk_device_config_t * devconf = 0;
835 vec_reset_length (pci_addr);
836 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
839 vlib_pci_free_device_info (d);
842 d = vlib_pci_get_device_info (vm, addr, &error);
845 clib_error_report (error);
849 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
854 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
862 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
865 /* Enforce Device blacklist by vendor and device */
866 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
869 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
870 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
871 if (d->vendor_id == vendor && d->device_id == device)
874 * Expected case: device isn't whitelisted,
879 /* Device is blacklisted */
880 pool_get (conf->dev_confs, devconf);
881 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
882 devconf - conf->dev_confs);
883 devconf->pci_addr.as_u32 = addr->as_u32;
884 devconf->is_blacklisted = 1;
887 else /* explicitly whitelisted, ignore the device blacklist */
893 if (d->vendor_id == 0x1af4 &&
894 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
895 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
898 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
901 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
902 * the default is to put it in the blacklist.
906 pool_get (conf->dev_confs, devconf);
907 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
908 devconf - conf->dev_confs);
909 devconf->pci_addr.as_u32 = addr->as_u32;
910 devconf->is_blacklisted = 1;
913 /* all Intel network devices */
914 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
916 /* all Intel QAT devices VFs */
917 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
918 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
921 else if (d->vendor_id == 0x1137 &&
922 (d->device_id == 0x0043 || d->device_id == 0x0071))
925 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
927 /* Amazen Elastic Network Adapter */
928 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
930 /* Cavium Network Adapter */
931 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
933 /* Cavium FastlinQ QL41000 Series */
934 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
937 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
942 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
948 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
949 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
954 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
960 pool_get (conf->dev_confs, devconf);
961 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
962 devconf - conf->dev_confs);
963 devconf->pci_addr.as_u32 = addr->as_u32;
965 devconf->is_blacklisted = 1;
966 clib_error_report (error);
971 vlib_pci_free_device_info (d);
975 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
978 vlib_vmbus_addr_t *addrs, *addr = 0;
980 addrs = vlib_vmbus_get_all_dev_addrs ();
983 vec_foreach (addr, addrs)
985 error = vlib_vmbus_bind_to_uio (addr);
989 clib_error_report (error);
995 static clib_error_t *
996 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
997 unformat_input_t * input, u8 is_default)
999 clib_error_t *error = 0;
1001 dpdk_device_config_t *devconf;
1002 unformat_input_t sub_input;
1006 devconf = &conf->default_devconf;
1010 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
1014 pool_get (conf->dev_confs, devconf);
1015 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
1016 devconf - conf->dev_confs);
1019 return clib_error_return (0,
1020 "duplicate configuration for PCI address %U",
1021 format_vlib_pci_addr, &pci_addr);
1024 devconf->pci_addr.as_u32 = pci_addr.as_u32;
1025 devconf->hqos_enabled = 0;
1027 dpdk_device_config_hqos_default (&devconf->hqos);
1033 unformat_skip_white_space (input);
1034 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1036 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1038 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1040 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1042 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1044 else if (unformat (input, "name %s", &devconf->name))
1046 else if (unformat (input, "workers %U", unformat_bitmap_list,
1051 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1053 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1057 else if (unformat (input, "vlan-strip-offload off"))
1058 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
1059 else if (unformat (input, "vlan-strip-offload on"))
1060 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
1063 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
1065 devconf->hqos_enabled = 1;
1066 error = unformat_hqos (&sub_input, &devconf->hqos);
1070 else if (unformat (input, "hqos"))
1072 devconf->hqos_enabled = 1;
1076 error = clib_error_return (0, "unknown input `%U'",
1077 format_unformat_error, input);
1085 if (devconf->workers && devconf->num_rx_queues == 0)
1086 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1087 else if (devconf->workers &&
1088 clib_bitmap_count_set_bits (devconf->workers) !=
1089 devconf->num_rx_queues)
1091 clib_error_return (0,
1092 "%U: number of worker threads must be "
1093 "equal to number of rx queues", format_vlib_pci_addr,
1099 static clib_error_t *
1100 dpdk_log_read_ready (clib_file_t * uf)
1102 unformat_input_t input;
1109 uword len = vec_len (s);
1110 vec_resize (s, len + n_try);
1112 n = read (uf->file_descriptor, s + len, n_try);
1113 if (n < 0 && errno != EAGAIN)
1114 return clib_error_return_unix (0, "read");
1115 _vec_len (s) = len + (n < 0 ? 0 : n);
1118 unformat_init_vector (&input, s);
1120 while (unformat_user (&input, unformat_line, &line))
1122 dpdk_log_notice ("%v", line);
1126 unformat_free (&input);
1130 static clib_error_t *
1131 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1133 clib_error_t *error = 0;
1134 dpdk_config_main_t *conf = &dpdk_config_main;
1135 vlib_thread_main_t *tm = vlib_get_thread_main ();
1136 dpdk_device_config_t *devconf;
1137 vlib_pci_addr_t pci_addr;
1138 unformat_input_t sub_input;
1139 uword default_hugepage_sz, x;
1142 int num_whitelisted = 0;
1147 u8 *huge_dir_path = 0;
1151 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1153 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1155 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1157 /* Prime the pump */
1158 if (unformat (input, "no-hugetlb"))
1160 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1163 else if (unformat (input, "enable-tcp-udp-checksum"))
1164 conf->enable_tcp_udp_checksum = 1;
1166 else if (unformat (input, "no-tx-checksum-offload"))
1167 conf->no_tx_checksum_offload = 1;
1169 else if (unformat (input, "decimal-interface-names"))
1170 conf->interface_name_format_decimal = 1;
1172 else if (unformat (input, "no-multi-seg"))
1173 conf->no_multi_seg = 1;
1175 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1179 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1187 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1188 unformat_vlib_cli_sub_input, &sub_input))
1190 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1197 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1199 error = dpdk_device_config (conf, pci_addr, 0, 0);
1206 else if (unformat (input, "num-mem-channels %d", &conf->nchannels))
1207 conf->nchannels_set_manually = 0;
1208 else if (unformat (input, "num-crypto-mbufs %d",
1209 &conf->num_crypto_mbufs))
1211 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1213 else if (unformat (input, "socket-mem %s", &socket_mem))
1215 else if (unformat (input, "no-pci"))
1218 tmp = format (0, "--no-pci%c", 0);
1219 vec_add1 (conf->eal_init_args, tmp);
1221 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1223 u32 blacklist_entry;
1224 if (vendor > 0xFFFF)
1225 return clib_error_return (0, "blacklist PCI vendor out of range");
1226 if (device > 0xFFFF)
1227 return clib_error_return (0, "blacklist PCI device out of range");
1228 blacklist_entry = (vendor << 16) | (device & 0xffff);
1229 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1232 else if (unformat (input, "no-vmbus"))
1235 tmp = format (0, "--no-vmbus%c", 0);
1236 vec_add1 (conf->eal_init_args, tmp);
1240 else if (unformat(input, #a)) \
1242 tmp = format (0, "--%s%c", #a, 0); \
1243 vec_add1 (conf->eal_init_args, tmp); \
1245 foreach_eal_double_hyphen_predicate_arg
1248 else if (unformat(input, #a " %s", &s)) \
1250 if (!strncmp(#a, "file-prefix", 11)) \
1252 tmp = format (0, "--%s%c", #a, 0); \
1253 vec_add1 (conf->eal_init_args, tmp); \
1255 if (!strncmp(#a, "vdev", 4)) \
1256 if (strstr((char*)s, "af_packet")) \
1257 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1258 vec_add1 (conf->eal_init_args, s); \
1260 foreach_eal_double_hyphen_arg
1263 else if (unformat(input, #a " %s", &s)) \
1265 tmp = format (0, "-%s%c", #b, 0); \
1266 vec_add1 (conf->eal_init_args, tmp); \
1268 vec_add1 (conf->eal_init_args, s); \
1270 foreach_eal_single_hyphen_arg
1273 else if (unformat(input, #a " %s", &s)) \
1275 tmp = format (0, "-%s%c", #b, 0); \
1276 vec_add1 (conf->eal_init_args, tmp); \
1278 vec_add1 (conf->eal_init_args, s); \
1279 conf->a##_set_manually = 1; \
1281 foreach_eal_single_hyphen_mandatory_arg
1283 else if (unformat (input, "default"))
1286 else if (unformat_skip_white_space (input))
1290 error = clib_error_return (0, "unknown input `%U'",
1291 format_unformat_error, input);
1296 if (!conf->uio_driver_name)
1297 conf->uio_driver_name = format (0, "auto%c", 0);
1299 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1302 clib_bitmap_foreach (x, tm->cpu_socket_bitmap, (
1306 /* preallocate at least 16MB of hugepages per socket,
1307 if more is needed it is up to consumer to preallocate more */
1308 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1309 n_pages /= default_hugepage_sz;
1311 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1312 clib_error_report (e);
1318 tmp = format (0, "--file-prefix%c", 0);
1319 vec_add1 (conf->eal_init_args, tmp);
1320 tmp = format (0, "vpp%c", 0);
1321 vec_add1 (conf->eal_init_args, tmp);
1327 /* I'll bet that -c and -n must be the first and second args... */
1328 if (!conf->coremask_set_manually)
1330 vlib_thread_registration_t *tr;
1331 uword *coremask = 0;
1334 /* main thread core */
1335 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1337 for (i = 0; i < vec_len (tm->registrations); i++)
1339 tr = tm->registrations[i];
1340 coremask = clib_bitmap_or (coremask, tr->coremask);
1343 vec_insert (conf->eal_init_args, 2, 1);
1344 conf->eal_init_args[1] = (u8 *) "-c";
1345 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1346 conf->eal_init_args[2] = tmp;
1347 clib_bitmap_free (coremask);
1350 if (!conf->nchannels_set_manually)
1352 vec_insert (conf->eal_init_args, 2, 3);
1353 conf->eal_init_args[3] = (u8 *) "-n";
1354 tmp = format (0, "%d", conf->nchannels);
1355 conf->eal_init_args[4] = tmp;
1358 if (no_pci == 0 && geteuid () == 0)
1359 dpdk_bind_devices_to_uio (conf);
1361 if (no_vmbus == 0 && geteuid () == 0)
1362 dpdk_bind_vmbus_devices_to_uio (conf);
1365 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1366 devconf->x = conf->default_devconf.x ;
1369 pool_foreach (devconf, conf->dev_confs, ({
1371 /* default per-device config items */
1372 foreach_dpdk_device_config_item
1374 /* copy vlan_strip config from default device */
1375 if (devconf->vlan_strip_offload == 0 &&
1376 conf->default_devconf.vlan_strip_offload > 0)
1377 devconf->vlan_strip_offload =
1378 conf->default_devconf.vlan_strip_offload;
1380 /* add DPDK EAL whitelist/blacklist entry */
1381 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1383 tmp = format (0, "-w%c", 0);
1384 vec_add1 (conf->eal_init_args, tmp);
1385 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1386 vec_add1 (conf->eal_init_args, tmp);
1388 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1390 tmp = format (0, "-b%c", 0);
1391 vec_add1 (conf->eal_init_args, tmp);
1392 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1393 vec_add1 (conf->eal_init_args, tmp);
1400 /* set master-lcore */
1401 tmp = format (0, "--master-lcore%c", 0);
1402 vec_add1 (conf->eal_init_args, tmp);
1403 tmp = format (0, "%u%c", tm->main_lcore, 0);
1404 vec_add1 (conf->eal_init_args, tmp);
1408 clib_warning ("socket-mem argument is deprecated");
1410 /* NULL terminate the "argv" vector, in case of stupidity */
1411 vec_add1 (conf->eal_init_args, 0);
1412 _vec_len (conf->eal_init_args) -= 1;
1414 /* Set up DPDK eal and packet mbuf pool early. */
1416 int log_fds[2] = { 0 };
1417 if (pipe (log_fds) == 0)
1419 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1421 FILE *f = fdopen (log_fds[1], "a");
1422 if (f && rte_openlog_stream (f) == 0)
1424 clib_file_t t = { 0 };
1425 t.read_function = dpdk_log_read_ready;
1426 t.file_descriptor = log_fds[0];
1427 t.description = format (0, "DPDK logging pipe");
1428 clib_file_add (&file_main, &t);
1438 vm = vlib_get_main ();
1440 /* make copy of args as rte_eal_init tends to mess up with arg array */
1441 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1442 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1443 conf->eal_init_args[i]);
1445 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1446 ret = rte_eal_init (vec_len (conf->eal_init_args),
1447 (char **) conf->eal_init_args);
1449 /* lazy umount hugepages */
1450 umount2 ((char *) huge_dir_path, MNT_DETACH);
1451 rmdir ((char *) huge_dir_path);
1452 vec_free (huge_dir_path);
1455 return clib_error_return (0, "rte_eal_init returned %d", ret);
1457 /* main thread 1st */
1458 if ((error = dpdk_buffer_pools_create (vm)))
1465 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1468 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1470 vnet_main_t *vnm = vnet_get_main ();
1471 struct rte_eth_link prev_link = xd->link;
1473 u8 hw_flags_chg = 0;
1475 /* only update link state for PMD interfaces */
1476 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1479 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1480 clib_memset (&xd->link, 0, sizeof (xd->link));
1481 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1483 if (LINK_STATE_ELOGS)
1485 vlib_main_t *vm = vlib_get_main ();
1486 ELOG_TYPE_DECLARE (e) =
1489 "update-link-state: sw_if_index %d, admin_up %d,"
1490 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1499 ed = ELOG_DATA (&vm->elog_main, e);
1500 ed->sw_if_index = xd->sw_if_index;
1501 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1502 ed->old_link_state = (u8)
1503 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1504 ed->new_link_state = (u8) xd->link.link_status;
1507 if ((xd->link.link_duplex != prev_link.link_duplex))
1510 switch (xd->link.link_duplex)
1512 case ETH_LINK_HALF_DUPLEX:
1513 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1515 case ETH_LINK_FULL_DUPLEX:
1516 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1522 if (xd->link.link_speed != prev_link.link_speed)
1523 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1524 xd->link.link_speed * 1000);
1526 if (xd->link.link_status != prev_link.link_status)
1530 if (xd->link.link_status)
1531 hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1536 if (LINK_STATE_ELOGS)
1538 vlib_main_t *vm = vlib_get_main ();
1540 ELOG_TYPE_DECLARE (e) =
1543 "update-link-state: sw_if_index %d, new flags %d",.format_args
1551 ed = ELOG_DATA (&vm->elog_main, e);
1552 ed->sw_if_index = xd->sw_if_index;
1553 ed->flags = hw_flags;
1555 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1560 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1562 clib_error_t *error;
1563 dpdk_main_t *dm = &dpdk_main;
1565 vlib_thread_main_t *tm = vlib_get_thread_main ();
1567 error = dpdk_lib_init (dm);
1570 clib_error_report (error);
1572 tm->worker_thread_release = 1;
1574 f64 now = vlib_time_now (vm);
1575 vec_foreach (xd, dm->devices)
1577 dpdk_update_link_state (xd, now);
1583 * check each time through the loop in case intervals are changed
1585 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1586 dm->link_state_poll_interval : dm->stat_poll_interval;
1588 vlib_process_wait_for_event_or_clock (vm, min_wait);
1590 if (dm->admin_up_down_in_progress)
1591 /* skip the poll if an admin up down is in progress (on any interface) */
1594 vec_foreach (xd, dm->devices)
1596 f64 now = vlib_time_now (vm);
1597 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1598 dpdk_update_counters (xd, now);
1599 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1600 dpdk_update_link_state (xd, now);
1609 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1610 .function = dpdk_process,
1611 .type = VLIB_NODE_TYPE_PROCESS,
1612 .name = "dpdk-process",
1613 .process_log2_n_stack_bytes = 17,
1617 static clib_error_t *
1618 dpdk_init (vlib_main_t * vm)
1620 dpdk_main_t *dm = &dpdk_main;
1621 clib_error_t *error = 0;
1623 /* verify that structs are cacheline aligned */
1624 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1625 "Cache line marker must be 1st element in dpdk_device_t");
1626 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1627 CLIB_CACHE_LINE_BYTES,
1628 "Data in cache line 0 is bigger than cache line size");
1629 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1630 "Cache line marker must be 1st element in frame_queue_trace_t");
1631 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1632 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1634 dpdk_cli_reference ();
1637 dm->vnet_main = vnet_get_main ();
1638 dm->conf = &dpdk_config_main;
1640 dm->conf->nchannels = 4;
1641 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1642 vec_add1 (dm->conf->eal_init_args, (u8 *) "--in-memory");
1644 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1645 dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID |
1646 VLIB_BUFFER_EXT_HDR_VALID |
1647 VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1648 VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
1650 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1651 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1653 dm->log_default = vlib_log_register_class ("dpdk", 0);
1658 VLIB_INIT_FUNCTION (dpdk_init);
1661 * fd.io coding-style-patch-verification: ON
1664 * eval: (c-set-style "gnu")