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 function 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%c", sys_cache_dir, dp->d_name, "level", 0);
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 u8 af_packet_instance_num = 0;
218 last_pci_addr.as_u32 = ~0;
220 nports = rte_eth_dev_count_avail ();
224 dpdk_log_notice ("DPDK drivers found no Ethernet devices...");
228 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
230 if (dm->conf->enable_tcp_udp_checksum)
231 dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
232 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
234 /* vlib_buffer_t template */
235 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
236 CLIB_CACHE_LINE_BYTES);
237 for (i = 0; i < tm->n_vlib_mains; i++)
239 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
240 clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
241 ptd->buffer_template.flags = dm->buffer_flags_template;
242 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
246 RTE_ETH_FOREACH_DEV(i)
250 struct rte_eth_dev_info dev_info;
251 struct rte_pci_device *pci_dev;
252 struct rte_eth_link l;
253 dpdk_portid_t next_port_id;
254 dpdk_device_config_t *devconf = 0;
255 vlib_pci_addr_t pci_addr;
258 if (!rte_eth_dev_is_valid_port(i))
261 rte_eth_link_get_nowait (i, &l);
262 rte_eth_dev_info_get (i, &dev_info);
264 if (dev_info.device == 0)
266 dpdk_log_notice ("DPDK bug: missing device info. Skipping %s device",
267 dev_info.driver_name);
271 pci_dev = dpdk_get_pci_device (&dev_info);
275 pci_addr.domain = pci_dev->addr.domain;
276 pci_addr.bus = pci_dev->addr.bus;
277 pci_addr.slot = pci_dev->addr.devid;
278 pci_addr.function = pci_dev->addr.function;
279 p = hash_get (dm->conf->device_config_index_by_pci_addr,
284 /* Create vnet interface */
285 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
286 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
287 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
288 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
292 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
293 xd->name = devconf->name;
296 devconf = &dm->conf->default_devconf;
298 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
300 ((next_port_id = rte_eth_find_next (i + 1)) != RTE_MAX_ETHPORTS))
302 struct rte_eth_dev_info di = { 0 };
303 struct rte_pci_device *next_pci_dev;
304 rte_eth_dev_info_get (next_port_id, &di);
305 next_pci_dev = di.device ? RTE_DEV_TO_PCI (di.device) : 0;
307 pci_addr.as_u32 != last_pci_addr.as_u32 &&
308 memcmp (&pci_dev->addr, &next_pci_dev->addr,
309 sizeof (struct rte_pci_addr)) == 0)
311 xd->interface_name_suffix = format (0, "0");
312 last_pci_addr.as_u32 = pci_addr.as_u32;
313 last_pci_addr_port = i;
315 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
317 xd->interface_name_suffix =
318 format (0, "%u", i - last_pci_addr_port);
322 last_pci_addr.as_u32 = ~0;
326 last_pci_addr.as_u32 = ~0;
328 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
329 sizeof (struct rte_eth_txconf));
331 if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
333 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
334 xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
337 if (dm->conf->no_multi_seg)
339 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
340 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
341 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
345 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
346 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
347 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
348 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
351 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
353 if (devconf->num_tx_queues > 0
354 && devconf->num_tx_queues < xd->tx_q_used)
355 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
357 if (devconf->num_rx_queues > 1
358 && dev_info.max_rx_queues >= devconf->num_rx_queues)
360 xd->rx_q_used = devconf->num_rx_queues;
361 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
362 if (devconf->rss_fn == 0)
363 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
364 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
367 u64 unsupported_bits;
368 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
369 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
370 unsupported_bits &= ~dev_info.flow_type_rss_offloads;
371 if (unsupported_bits)
372 dpdk_log_warn ("Unsupported RSS hash functions: %U",
373 format_dpdk_rss_hf_name, unsupported_bits);
375 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
376 dev_info.flow_type_rss_offloads;
381 xd->flags |= DPDK_DEVICE_FLAG_PMD;
383 /* workaround for drivers not setting driver_name */
384 if ((!dev_info.driver_name) && (pci_dev))
385 dev_info.driver_name = pci_dev->driver->driver.name;
387 ASSERT (dev_info.driver_name);
393 #define _(s,f) else if (dev_info.driver_name && \
394 !strcmp(dev_info.driver_name, s)) \
395 xd->pmd = VNET_DPDK_PMD_##f;
401 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
403 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
404 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
405 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
409 /* Drivers with valid speed_capa set */
410 case VNET_DPDK_PMD_E1000EM:
411 case VNET_DPDK_PMD_IGB:
412 case VNET_DPDK_PMD_IXGBE:
413 case VNET_DPDK_PMD_I40E:
414 case VNET_DPDK_PMD_ICE:
415 xd->port_type = port_type_from_speed_capa (&dev_info);
416 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
417 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
418 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
419 VNET_FLOW_ACTION_BUFFER_ADVANCE |
420 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
422 if (dm->conf->no_tx_checksum_offload == 0)
424 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
425 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
427 DPDK_DEVICE_FLAG_TX_OFFLOAD |
428 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
433 case VNET_DPDK_PMD_CXGBE:
434 case VNET_DPDK_PMD_MLX4:
435 case VNET_DPDK_PMD_MLX5:
436 case VNET_DPDK_PMD_QEDE:
437 case VNET_DPDK_PMD_BNXT:
438 xd->port_type = port_type_from_speed_capa (&dev_info);
442 case VNET_DPDK_PMD_IGBVF:
443 case VNET_DPDK_PMD_IXGBEVF:
444 case VNET_DPDK_PMD_I40EVF:
445 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
446 if (dm->conf->no_tx_checksum_offload == 0)
448 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
449 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
451 DPDK_DEVICE_FLAG_TX_OFFLOAD |
452 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
456 case VNET_DPDK_PMD_THUNDERX:
457 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
459 if (dm->conf->no_tx_checksum_offload == 0)
461 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
462 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
463 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
467 case VNET_DPDK_PMD_ENA:
468 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
469 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
472 case VNET_DPDK_PMD_DPAA2:
473 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
477 case VNET_DPDK_PMD_ENIC:
478 xd->port_type = port_type_from_link_speed (l.link_speed);
481 /* Intel Red Rock Canyon */
482 case VNET_DPDK_PMD_FM10K:
483 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
487 case VNET_DPDK_PMD_VIRTIO:
488 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
489 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
490 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
494 case VNET_DPDK_PMD_VMXNET3:
495 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
496 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
499 case VNET_DPDK_PMD_AF_PACKET:
500 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
501 xd->af_packet_instance_num = af_packet_instance_num++;
504 case VNET_DPDK_PMD_VIRTIO_USER:
505 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
508 case VNET_DPDK_PMD_VHOST_ETHER:
509 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
512 case VNET_DPDK_PMD_LIOVF_ETHER:
513 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
516 case VNET_DPDK_PMD_FAILSAFE:
517 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
518 xd->port_conf.intr_conf.lsc = 1;
521 case VNET_DPDK_PMD_NETVSC:
522 xd->port_type = port_type_from_link_speed (l.link_speed);
526 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
529 if (devconf->num_rx_desc)
530 xd->nb_rx_desc = devconf->num_rx_desc;
533 /* If num_rx_desc is not specified by VPP user, the current CPU is working
534 with 2M page and has no L3 cache, default num_rx_desc is changed to 512
535 from original 1024 to help reduce TLB misses.
537 if ((clib_mem_get_default_hugepage_size () == 2 << 20)
538 && check_l3cache() == 0)
539 xd->nb_rx_desc = 512;
542 if (devconf->num_tx_desc)
543 xd->nb_tx_desc = devconf->num_tx_desc;
546 /* If num_tx_desc is not specified by VPP user, the current CPU is working
547 with 2M page and has no L3 cache, default num_tx_desc is changed to 512
548 from original 1024 to help reduce TLB misses.
550 if ((clib_mem_get_default_hugepage_size () == 2 << 20)
551 && check_l3cache() == 0)
552 xd->nb_tx_desc = 512;
556 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
558 f64 now = vlib_time_now (vm);
560 rnd = (u32) (now * 1e6);
561 rnd = random_u32 (&rnd);
562 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
567 rte_eth_macaddr_get (i, (void *) addr);
569 if (xd->tx_q_used < tm->n_vlib_mains)
570 dpdk_device_lock_init (xd);
573 xd->device_index = xd - dm->devices;
574 xd->per_interface_next_index = ~0;
576 /* assign interface to input thread */
580 error = ethernet_register_interface
581 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
582 /* ethernet address */ addr,
583 &xd->hw_if_index, dpdk_flag_change);
588 * Ensure default mtu is not > the mtu read from the hardware.
589 * Otherwise rte_eth_dev_configure() will fail and the port will
591 * Calculate max_frame_size and mtu supported by NIC
593 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
596 * This device does not support the platforms's max frame
597 * size. Use it's advertised mru instead.
599 max_rx_frame = dev_info.max_rx_pktlen;
600 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
604 /* VPP treats MTU and max_rx_pktlen both equal to
605 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
606 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
608 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
609 sizeof (ethernet_header_t)))
611 mtu = ETHERNET_MAX_PACKET_BYTES;
612 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
615 * Some platforms do not account for Ethernet FCS (4 bytes) in
616 * MTU calculations. To interop with them increase mru but only
617 * if the device's settings can support it.
619 if (dpdk_port_crc_strip_enabled (xd) &&
620 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
621 sizeof (ethernet_header_t) +
629 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
630 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
632 if (dpdk_port_crc_strip_enabled (xd) &&
633 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
640 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
642 /* failsafe device numerables are reported with active device only,
643 * need to query the mtu for current device setup to overwrite
647 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
650 max_rx_frame = mtu + sizeof (ethernet_header_t);
652 if (dpdk_port_crc_strip_enabled (xd))
659 /*Set port rxmode config */
660 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
662 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
663 xd->sw_if_index = sw->sw_if_index;
664 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
665 dpdk_input_node.index);
667 if (devconf->workers)
671 clib_bitmap_foreach (i, devconf->workers, ({
672 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
673 vdm->first_worker_thread_index + i);
677 for (q = 0; q < xd->rx_q_used; q++)
679 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
683 /*Get vnet hardware interface */
684 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
686 /*Override default max_packet_bytes and max_supported_bytes set in
687 * ethernet_register_interface() above*/
690 hi->max_packet_bytes = mtu;
691 hi->max_supported_packet_bytes = max_rx_frame;
692 hi->numa_node = xd->cpu_socket;
695 if (dm->conf->no_tx_checksum_offload == 0)
696 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
697 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
699 if (devconf->tso == DPDK_DEVICE_TSO_ON && hi != NULL)
701 /*tcp_udp checksum must be enabled*/
702 if ((dm->conf->enable_tcp_udp_checksum) &&
703 (hi->flags & VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD))
705 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO;
706 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_TSO |
707 DEV_TX_OFFLOAD_UDP_TSO;
710 clib_warning ("%s: TCP/UDP checksum offload must be enabled",
714 dpdk_device_setup (xd);
716 if (vec_len (xd->errors))
717 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
718 format_dpdk_device_name, i,
719 format_dpdk_device_errors, xd);
722 * A note on Cisco VIC (PMD_ENIC) and VLAN:
724 * With Cisco VIC vNIC, every ingress packet is tagged. On a
725 * trunk vNIC (C series "standalone" server), packets on no VLAN
726 * are tagged with vlan 0. On an access vNIC (standalone or B
727 * series "blade" server), packets on the default/native VLAN
728 * are tagged with that vNIC's VLAN. VPP expects these packets
729 * to be untagged, and previously enabled VLAN strip on VIC by
730 * default. But it also broke vlan sub-interfaces.
732 * The VIC adapter has "untag default vlan" ingress VLAN rewrite
733 * mode, which removes tags from these packets. VPP now includes
734 * a local patch for the enic driver to use this untag mode, so
735 * enabling vlan stripping is no longer needed. In future, the
736 * driver + dpdk will have an API to set the mode after
737 * rte_eal_init. Then, this note and local patch will be
742 * VLAN stripping: default to VLAN strip disabled, unless specified
743 * otherwise in the startup config.
746 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
747 if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
749 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
750 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) >= 0)
751 dpdk_log_info ("VLAN strip enabled for interface\n");
753 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
754 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
758 if (vlan_off & ETH_VLAN_STRIP_OFFLOAD)
760 vlan_off &= ~ETH_VLAN_STRIP_OFFLOAD;
761 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) >= 0)
762 dpdk_log_warn ("set VLAN offload failed\n");
764 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
768 hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
769 - sizeof (ethernet_header_t);
771 dpdk_log_warn ("hi NULL");
773 if (dm->conf->no_multi_seg)
774 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
776 rte_eth_dev_set_mtu (xd->port_id, mtu);
784 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
786 vlib_main_t *vm = vlib_get_main ();
789 int num_whitelisted = vec_len (conf->dev_confs);
790 vlib_pci_device_info_t *d = 0;
791 vlib_pci_addr_t *addr = 0, *addrs;
794 addrs = vlib_pci_get_all_dev_addrs ();
796 vec_foreach (addr, addrs)
798 dpdk_device_config_t * devconf = 0;
799 vec_reset_length (pci_addr);
800 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
803 vlib_pci_free_device_info (d);
806 d = vlib_pci_get_device_info (vm, addr, &error);
809 clib_error_report (error);
813 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
818 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
826 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
829 /* Enforce Device blacklist by vendor and device */
830 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
833 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
834 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
835 if (d->vendor_id == vendor && d->device_id == device)
838 * Expected case: device isn't whitelisted,
843 /* Device is blacklisted */
844 pool_get (conf->dev_confs, devconf);
845 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
846 devconf - conf->dev_confs);
847 devconf->pci_addr.as_u32 = addr->as_u32;
848 devconf->is_blacklisted = 1;
851 else /* explicitly whitelisted, ignore the device blacklist */
857 if (d->vendor_id == 0x1af4 &&
858 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
859 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
862 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
865 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
866 * the default is to put it in the blacklist.
870 pool_get (conf->dev_confs, devconf);
871 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
872 devconf - conf->dev_confs);
873 devconf->pci_addr.as_u32 = addr->as_u32;
874 devconf->is_blacklisted = 1;
877 /* all Intel network devices */
878 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
880 /* all Intel QAT devices VFs */
881 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
882 (d->device_id == 0x0443 || d->device_id == 0x18a1 || d->device_id == 0x19e3 ||
883 d->device_id == 0x37c9 || d->device_id == 0x6f55))
886 else if (d->vendor_id == 0x1137 &&
887 (d->device_id == 0x0043 || d->device_id == 0x0071))
890 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
892 /* Amazon Elastic Network Adapter */
893 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
895 /* Cavium Network Adapter */
896 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
898 /* Cavium FastlinQ QL41000 Series */
899 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
902 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
907 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
911 /* Broadcom NetXtreme S, and E series only */
912 else if (d->vendor_id == 0x14e4 &&
913 ((d->device_id >= 0x16c0 &&
914 d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
915 d->device_id != 0x16dd && d->device_id != 0x16f7 &&
916 d->device_id != 0x16fd && d->device_id != 0x16fe &&
917 d->device_id != 0x170d && d->device_id != 0x170c &&
918 d->device_id != 0x170e && d->device_id != 0x1712 &&
919 d->device_id != 0x1713) ||
920 (d->device_id == 0x1604 || d->device_id == 0x1605 ||
921 d->device_id == 0x1614 || d->device_id == 0x1606 ||
922 d->device_id == 0x1609 || d->device_id == 0x1614)))
926 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
927 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
932 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
938 pool_get (conf->dev_confs, devconf);
939 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
940 devconf - conf->dev_confs);
941 devconf->pci_addr.as_u32 = addr->as_u32;
943 devconf->is_blacklisted = 1;
944 clib_error_report (error);
949 vlib_pci_free_device_info (d);
953 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
956 vlib_vmbus_addr_t *addrs, *addr = 0;
958 addrs = vlib_vmbus_get_all_dev_addrs ();
961 vec_foreach (addr, addrs)
963 error = vlib_vmbus_bind_to_uio (addr);
967 clib_error_report (error);
973 static clib_error_t *
974 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
975 unformat_input_t * input, u8 is_default)
977 clib_error_t *error = 0;
979 dpdk_device_config_t *devconf;
980 unformat_input_t sub_input;
984 devconf = &conf->default_devconf;
988 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
992 pool_get (conf->dev_confs, devconf);
993 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
994 devconf - conf->dev_confs);
997 return clib_error_return (0,
998 "duplicate configuration for PCI address %U",
999 format_vlib_pci_addr, &pci_addr);
1002 devconf->pci_addr.as_u32 = pci_addr.as_u32;
1003 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1008 unformat_skip_white_space (input);
1009 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1011 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1013 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1015 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1017 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1019 else if (unformat (input, "name %s", &devconf->name))
1021 else if (unformat (input, "workers %U", unformat_bitmap_list,
1026 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1028 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1032 else if (unformat (input, "vlan-strip-offload off"))
1033 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
1034 else if (unformat (input, "vlan-strip-offload on"))
1035 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
1036 else if (unformat (input, "tso on"))
1038 devconf->tso = DPDK_DEVICE_TSO_ON;
1040 else if (unformat (input, "tso off"))
1042 devconf->tso = DPDK_DEVICE_TSO_OFF;
1044 else if (unformat (input, "devargs %s", &devconf->devargs))
1048 error = clib_error_return (0, "unknown input `%U'",
1049 format_unformat_error, input);
1057 if (devconf->workers && devconf->num_rx_queues == 0)
1058 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1059 else if (devconf->workers &&
1060 clib_bitmap_count_set_bits (devconf->workers) !=
1061 devconf->num_rx_queues)
1063 clib_error_return (0,
1064 "%U: number of worker threads must be "
1065 "equal to number of rx queues", format_vlib_pci_addr,
1071 static clib_error_t *
1072 dpdk_log_read_ready (clib_file_t * uf)
1074 unformat_input_t input;
1081 uword len = vec_len (s);
1082 vec_resize (s, len + n_try);
1084 n = read (uf->file_descriptor, s + len, n_try);
1085 if (n < 0 && errno != EAGAIN)
1086 return clib_error_return_unix (0, "read");
1087 _vec_len (s) = len + (n < 0 ? 0 : n);
1090 unformat_init_vector (&input, s);
1092 while (unformat_user (&input, unformat_line, &line))
1094 dpdk_log_notice ("%v", line);
1098 unformat_free (&input);
1102 static clib_error_t *
1103 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1105 clib_error_t *error = 0;
1106 dpdk_config_main_t *conf = &dpdk_config_main;
1107 vlib_thread_main_t *tm = vlib_get_thread_main ();
1108 dpdk_device_config_t *devconf;
1109 vlib_pci_addr_t pci_addr;
1110 unformat_input_t sub_input;
1111 uword default_hugepage_sz, x;
1114 int num_whitelisted = 0;
1119 u8 *huge_dir_path = 0;
1123 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1125 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1127 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1129 /* Prime the pump */
1130 if (unformat (input, "no-hugetlb"))
1132 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1135 else if (unformat (input, "enable-tcp-udp-checksum"))
1136 conf->enable_tcp_udp_checksum = 1;
1138 else if (unformat (input, "no-tx-checksum-offload"))
1139 conf->no_tx_checksum_offload = 1;
1141 else if (unformat (input, "decimal-interface-names"))
1142 conf->interface_name_format_decimal = 1;
1144 else if (unformat (input, "no-multi-seg"))
1145 conf->no_multi_seg = 1;
1147 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1151 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1159 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1160 unformat_vlib_cli_sub_input, &sub_input))
1162 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1169 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1171 error = dpdk_device_config (conf, pci_addr, 0, 0);
1178 else if (unformat (input, "num-mem-channels %d", &conf->nchannels))
1179 conf->nchannels_set_manually = 0;
1180 else if (unformat (input, "num-crypto-mbufs %d",
1181 &conf->num_crypto_mbufs))
1183 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1185 else if (unformat (input, "socket-mem %s", &socket_mem))
1187 else if (unformat (input, "no-pci"))
1190 tmp = format (0, "--no-pci%c", 0);
1191 vec_add1 (conf->eal_init_args, tmp);
1193 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1195 u32 blacklist_entry;
1196 if (vendor > 0xFFFF)
1197 return clib_error_return (0, "blacklist PCI vendor out of range");
1198 if (device > 0xFFFF)
1199 return clib_error_return (0, "blacklist PCI device out of range");
1200 blacklist_entry = (vendor << 16) | (device & 0xffff);
1201 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1204 else if (unformat (input, "no-vmbus"))
1207 tmp = format (0, "--no-vmbus%c", 0);
1208 vec_add1 (conf->eal_init_args, tmp);
1212 else if (unformat(input, #a)) \
1214 tmp = format (0, "--%s%c", #a, 0); \
1215 vec_add1 (conf->eal_init_args, tmp); \
1217 foreach_eal_double_hyphen_predicate_arg
1220 else if (unformat(input, #a " %s", &s)) \
1222 if (!strncmp(#a, "file-prefix", 11)) \
1224 tmp = format (0, "--%s%c", #a, 0); \
1225 vec_add1 (conf->eal_init_args, tmp); \
1227 if (!strncmp(#a, "vdev", 4)) \
1228 if (strstr((char*)s, "af_packet")) \
1229 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1230 vec_add1 (conf->eal_init_args, s); \
1232 foreach_eal_double_hyphen_arg
1235 else if (unformat(input, #a " %s", &s)) \
1237 tmp = format (0, "-%s%c", #b, 0); \
1238 vec_add1 (conf->eal_init_args, tmp); \
1240 vec_add1 (conf->eal_init_args, s); \
1242 foreach_eal_single_hyphen_arg
1245 else if (unformat(input, #a " %s", &s)) \
1247 tmp = format (0, "-%s%c", #b, 0); \
1248 vec_add1 (conf->eal_init_args, tmp); \
1250 vec_add1 (conf->eal_init_args, s); \
1251 conf->a##_set_manually = 1; \
1253 foreach_eal_single_hyphen_mandatory_arg
1255 else if (unformat (input, "default"))
1258 else if (unformat_skip_white_space (input))
1262 error = clib_error_return (0, "unknown input `%U'",
1263 format_unformat_error, input);
1268 if (!conf->uio_driver_name)
1269 conf->uio_driver_name = format (0, "auto%c", 0);
1271 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1274 clib_bitmap_foreach (x, tm->cpu_socket_bitmap, (
1278 /* preallocate at least 16MB of hugepages per socket,
1279 if more is needed it is up to consumer to preallocate more */
1280 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1281 n_pages /= default_hugepage_sz;
1283 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1284 clib_error_report (e);
1290 tmp = format (0, "--file-prefix%c", 0);
1291 vec_add1 (conf->eal_init_args, tmp);
1292 tmp = format (0, "vpp%c", 0);
1293 vec_add1 (conf->eal_init_args, tmp);
1299 /* I'll bet that -c and -n must be the first and second args... */
1300 if (!conf->coremask_set_manually)
1302 vlib_thread_registration_t *tr;
1303 uword *coremask = 0;
1306 /* main thread core */
1307 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1309 for (i = 0; i < vec_len (tm->registrations); i++)
1311 tr = tm->registrations[i];
1312 coremask = clib_bitmap_or (coremask, tr->coremask);
1315 vec_insert (conf->eal_init_args, 2, 1);
1316 conf->eal_init_args[1] = (u8 *) "-c";
1317 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1318 conf->eal_init_args[2] = tmp;
1319 clib_bitmap_free (coremask);
1322 if (!conf->nchannels_set_manually)
1324 vec_insert (conf->eal_init_args, 2, 3);
1325 conf->eal_init_args[3] = (u8 *) "-n";
1326 tmp = format (0, "%d", conf->nchannels);
1327 vec_terminate_c_string (tmp);
1328 conf->eal_init_args[4] = tmp;
1331 if (no_pci == 0 && geteuid () == 0)
1332 dpdk_bind_devices_to_uio (conf);
1334 if (no_vmbus == 0 && geteuid () == 0)
1335 dpdk_bind_vmbus_devices_to_uio (conf);
1338 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1339 devconf->x = conf->default_devconf.x ;
1342 pool_foreach (devconf, conf->dev_confs, ({
1344 /* default per-device config items */
1345 foreach_dpdk_device_config_item
1347 /* copy vlan_strip config from default device */
1348 if (devconf->vlan_strip_offload == 0 &&
1349 conf->default_devconf.vlan_strip_offload > 0)
1350 devconf->vlan_strip_offload =
1351 conf->default_devconf.vlan_strip_offload;
1353 /* copy tso config from default device */
1356 /* copy tso config from default device */
1359 /* add DPDK EAL whitelist/blacklist entry */
1360 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1362 tmp = format (0, "-w%c", 0);
1363 vec_add1 (conf->eal_init_args, tmp);
1364 if (devconf->devargs)
1366 tmp = format (0, "%U,%s", format_vlib_pci_addr, &devconf->pci_addr, devconf->devargs, 0);
1370 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1372 vec_add1 (conf->eal_init_args, tmp);
1374 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1376 tmp = format (0, "-b%c", 0);
1377 vec_add1 (conf->eal_init_args, tmp);
1378 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1379 vec_add1 (conf->eal_init_args, tmp);
1386 /* set master-lcore */
1387 tmp = format (0, "--master-lcore%c", 0);
1388 vec_add1 (conf->eal_init_args, tmp);
1389 tmp = format (0, "%u%c", tm->main_lcore, 0);
1390 vec_add1 (conf->eal_init_args, tmp);
1394 clib_warning ("socket-mem argument is deprecated");
1396 /* NULL terminate the "argv" vector, in case of stupidity */
1397 vec_add1 (conf->eal_init_args, 0);
1398 _vec_len (conf->eal_init_args) -= 1;
1400 /* Set up DPDK eal and packet mbuf pool early. */
1402 int log_fds[2] = { 0 };
1403 if (pipe (log_fds) == 0)
1405 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1407 FILE *f = fdopen (log_fds[1], "a");
1408 if (f && rte_openlog_stream (f) == 0)
1410 clib_file_t t = { 0 };
1411 t.read_function = dpdk_log_read_ready;
1412 t.file_descriptor = log_fds[0];
1413 t.description = format (0, "DPDK logging pipe");
1414 clib_file_add (&file_main, &t);
1424 vm = vlib_get_main ();
1426 /* make copy of args as rte_eal_init tends to mess up with arg array */
1427 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1428 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1429 conf->eal_init_args[i]);
1431 vec_terminate_c_string (conf->eal_init_args_str);
1433 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1434 ret = rte_eal_init (vec_len (conf->eal_init_args),
1435 (char **) conf->eal_init_args);
1437 /* lazy umount hugepages */
1438 umount2 ((char *) huge_dir_path, MNT_DETACH);
1439 rmdir ((char *) huge_dir_path);
1440 vec_free (huge_dir_path);
1443 return clib_error_return (0, "rte_eal_init returned %d", ret);
1445 /* main thread 1st */
1446 if ((error = dpdk_buffer_pools_create (vm)))
1453 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1456 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1458 vnet_main_t *vnm = vnet_get_main ();
1459 struct rte_eth_link prev_link = xd->link;
1461 u8 hw_flags_chg = 0;
1463 /* only update link state for PMD interfaces */
1464 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1467 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1468 clib_memset (&xd->link, 0, sizeof (xd->link));
1469 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1471 if (LINK_STATE_ELOGS)
1473 vlib_main_t *vm = vlib_get_main ();
1474 ELOG_TYPE_DECLARE (e) =
1477 "update-link-state: sw_if_index %d, admin_up %d,"
1478 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1487 ed = ELOG_DATA (&vm->elog_main, e);
1488 ed->sw_if_index = xd->sw_if_index;
1489 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1490 ed->old_link_state = (u8)
1491 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1492 ed->new_link_state = (u8) xd->link.link_status;
1495 if ((xd->link.link_duplex != prev_link.link_duplex))
1498 switch (xd->link.link_duplex)
1500 case ETH_LINK_HALF_DUPLEX:
1501 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1503 case ETH_LINK_FULL_DUPLEX:
1504 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1510 if (xd->link.link_speed != prev_link.link_speed)
1511 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1512 xd->link.link_speed * 1000);
1514 if (xd->link.link_status != prev_link.link_status)
1518 if (xd->link.link_status)
1519 hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1524 if (LINK_STATE_ELOGS)
1526 vlib_main_t *vm = vlib_get_main ();
1528 ELOG_TYPE_DECLARE (e) =
1531 "update-link-state: sw_if_index %d, new flags %d",.format_args
1539 ed = ELOG_DATA (&vm->elog_main, e);
1540 ed->sw_if_index = xd->sw_if_index;
1541 ed->flags = hw_flags;
1543 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1548 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1550 clib_error_t *error;
1551 dpdk_main_t *dm = &dpdk_main;
1553 vlib_thread_main_t *tm = vlib_get_thread_main ();
1555 error = dpdk_lib_init (dm);
1558 clib_error_report (error);
1560 tm->worker_thread_release = 1;
1562 f64 now = vlib_time_now (vm);
1563 vec_foreach (xd, dm->devices)
1565 dpdk_update_link_state (xd, now);
1571 * check each time through the loop in case intervals are changed
1573 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1574 dm->link_state_poll_interval : dm->stat_poll_interval;
1576 vlib_process_wait_for_event_or_clock (vm, min_wait);
1578 if (dm->admin_up_down_in_progress)
1579 /* skip the poll if an admin up down is in progress (on any interface) */
1582 vec_foreach (xd, dm->devices)
1584 f64 now = vlib_time_now (vm);
1585 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1586 dpdk_update_counters (xd, now);
1587 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1588 dpdk_update_link_state (xd, now);
1597 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1598 .function = dpdk_process,
1599 .type = VLIB_NODE_TYPE_PROCESS,
1600 .name = "dpdk-process",
1601 .process_log2_n_stack_bytes = 17,
1605 static clib_error_t *
1606 dpdk_init (vlib_main_t * vm)
1608 dpdk_main_t *dm = &dpdk_main;
1609 clib_error_t *error = 0;
1611 /* verify that structs are cacheline aligned */
1612 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1613 "Cache line marker must be 1st element in dpdk_device_t");
1614 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1615 CLIB_CACHE_LINE_BYTES,
1616 "Data in cache line 0 is bigger than cache line size");
1617 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1618 "Cache line marker must be 1st element in frame_queue_trace_t");
1619 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1620 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1622 dpdk_cli_reference ();
1625 dm->vnet_main = vnet_get_main ();
1626 dm->conf = &dpdk_config_main;
1628 dm->conf->nchannels = 4;
1629 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1630 vec_add1 (dm->conf->eal_init_args, (u8 *) "--in-memory");
1632 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1633 dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID |
1634 VLIB_BUFFER_EXT_HDR_VALID |
1635 VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1636 VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
1638 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1639 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1641 dm->log_default = vlib_log_register_class ("dpdk", 0);
1646 VLIB_INIT_FUNCTION (dpdk_init);
1649 * fd.io coding-style-patch-verification: ON
1652 * eval: (c-set-style "gnu")