FD.io VPP  v20.09-64-g4f7b92f0a
Vector Packet Processing
init.c
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1 /*
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:
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
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.
14  */
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>
22 #include <vlib/log.h>
23 
24 #include <vnet/ethernet/ethernet.h>
25 #include <dpdk/buffer.h>
26 #include <dpdk/device/dpdk.h>
28 #include <vlib/pci/pci.h>
29 #include <vlib/vmbus/vmbus.h>
30 
31 #include <rte_ring.h>
32 
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <unistd.h>
36 #include <sys/stat.h>
37 #include <sys/mount.h>
38 #include <string.h>
39 #include <fcntl.h>
40 #include <dirent.h>
41 
42 #include <dpdk/device/dpdk_priv.h>
43 
44 #define ETHER_MAX_LEN 1518 /**< Maximum frame len, including CRC. */
45 
48 
49 #define LINK_STATE_ELOGS 0
50 
51 /* Port configuration, mildly modified Intel app values */
52 
53 static dpdk_port_type_t
54 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
55 {
56 
57  if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
59  else if (dev_info->speed_capa & ETH_LINK_SPEED_56G)
61  else if (dev_info->speed_capa & ETH_LINK_SPEED_50G)
63  else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
65  else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
67  else if (dev_info->speed_capa & ETH_LINK_SPEED_20G)
69  else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
71  else if (dev_info->speed_capa & ETH_LINK_SPEED_5G)
73  else if (dev_info->speed_capa & ETH_LINK_SPEED_2_5G)
75  else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
77 
79 }
80 
81 static dpdk_port_type_t
83 {
84  switch (link_speed)
85  {
86  case ETH_SPEED_NUM_1G:
88  case ETH_SPEED_NUM_2_5G:
90  case ETH_SPEED_NUM_5G:
92  case ETH_SPEED_NUM_10G:
94  case ETH_SPEED_NUM_20G:
96  case ETH_SPEED_NUM_25G:
98  case ETH_SPEED_NUM_40G:
100  case ETH_SPEED_NUM_50G:
102  case ETH_SPEED_NUM_56G:
104  case ETH_SPEED_NUM_100G:
106  default:
108  }
109 }
110 
111 static u32
113 {
114  dpdk_main_t *dm = &dpdk_main;
116  u32 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
117 
118  switch (flags)
119  {
121  /* set to L3/non-promisc mode */
122  xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
123  break;
125  xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
126  break;
128  xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
129  dpdk_device_setup (xd);
130  return 0;
131  default:
132  return ~0;
133  }
134 
135  if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
136  {
137  if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
138  rte_eth_promiscuous_enable (xd->port_id);
139  else
140  rte_eth_promiscuous_disable (xd->port_id);
141  }
142 
143  return old;
144 }
145 
146 static int
148 {
149  return !(xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC);
150 }
151 
152 /* The function check_l3cache helps check if Level 3 cache exists or not on current CPUs
153  return value 1: exist.
154  return value 0: not exist.
155 */
156 static int
158 {
159 
160  struct dirent *dp;
161  clib_error_t *err;
162  const char *sys_cache_dir = "/sys/devices/system/cpu/cpu0/cache";
163  DIR *dir_cache = opendir (sys_cache_dir);
164 
165  if (dir_cache == NULL)
166  return -1;
167 
168  while ((dp = readdir (dir_cache)) != NULL)
169  {
170  if (dp->d_type == DT_DIR)
171  {
172  u8 *p = NULL;
173  int level_cache = -1;
174 
175  p = format (p, "%s/%s/%s%c", sys_cache_dir, dp->d_name, "level", 0);
176  if ((err = clib_sysfs_read ((char *) p, "%d", &level_cache)))
177  clib_error_free (err);
178 
179  if (level_cache == 3)
180  {
181  closedir (dir_cache);
182  return 1;
183  }
184  }
185  }
186 
187  if (dir_cache != NULL)
188  closedir (dir_cache);
189 
190  return 0;
191 }
192 
193 static void
195 {
196  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
197  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
198  xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
199  DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
200 }
201 
202 static clib_error_t *
204 {
205  u32 nports;
206  u32 mtu, max_rx_frame;
207  int i;
208  clib_error_t *error;
214  dpdk_device_t *xd;
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;
219 
220  nports = rte_eth_dev_count_avail ();
221 
222  if (nports < 1)
223  {
224  dpdk_log_notice ("DPDK drivers found no Ethernet devices...");
225  }
226 
227  if (CLIB_DEBUG > 0)
228  dpdk_log_notice ("DPDK drivers found %d ports...", nports);
229 
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);
233 
234  /* vlib_buffer_t template */
237  for (i = 0; i < tm->n_vlib_mains; i++)
238  {
240  clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
242  vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
243  }
244 
245  /* *INDENT-OFF* */
246  RTE_ETH_FOREACH_DEV(i)
247  {
248  u8 addr[6];
249  int vlan_off;
250  struct rte_eth_dev_info dev_info;
251  struct rte_pci_device *pci_dev;
252  dpdk_portid_t next_port_id;
253  dpdk_device_config_t *devconf = 0;
254  vlib_pci_addr_t pci_addr;
255  uword *p = 0;
256 
257  if (!rte_eth_dev_is_valid_port(i))
258  continue;
259 
260  rte_eth_dev_info_get (i, &dev_info);
261 
262  if (dev_info.device == 0)
263  {
264  dpdk_log_notice ("DPDK bug: missing device info. Skipping %s device",
265  dev_info.driver_name);
266  continue;
267  }
268 
269  pci_dev = dpdk_get_pci_device (&dev_info);
270 
271  if (pci_dev)
272  {
273  pci_addr.domain = pci_dev->addr.domain;
274  pci_addr.bus = pci_dev->addr.bus;
275  pci_addr.slot = pci_dev->addr.devid;
276  pci_addr.function = pci_dev->addr.function;
278  pci_addr.as_u32);
279  }
280 
281 
282  /* Create vnet interface */
286  xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
287 
288  if (p)
289  {
290  devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
291  xd->name = devconf->name;
292  }
293  else
294  devconf = &dm->conf->default_devconf;
295 
296  /* Handle representor devices that share the same PCI ID */
297  if (dev_info.switch_info.domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
298  {
299  if (dev_info.switch_info.port_id != (uint16_t)-1)
300  xd->interface_name_suffix = format (0, "%d", dev_info.switch_info.port_id);
301  }
302  /* Handle interface naming for devices with multiple ports sharing same PCI ID */
303  else if (pci_dev &&
304  ((next_port_id = rte_eth_find_next (i + 1)) != RTE_MAX_ETHPORTS))
305  {
306  struct rte_eth_dev_info di = { 0 };
307  struct rte_pci_device *next_pci_dev;
308  rte_eth_dev_info_get (next_port_id, &di);
309  next_pci_dev = di.device ? RTE_DEV_TO_PCI (di.device) : 0;
310  if (next_pci_dev &&
311  pci_addr.as_u32 != last_pci_addr.as_u32 &&
312  memcmp (&pci_dev->addr, &next_pci_dev->addr,
313  sizeof (struct rte_pci_addr)) == 0)
314  {
315  xd->interface_name_suffix = format (0, "0");
316  last_pci_addr.as_u32 = pci_addr.as_u32;
317  last_pci_addr_port = i;
318  }
319  else if (pci_addr.as_u32 == last_pci_addr.as_u32)
320  {
322  format (0, "%u", i - last_pci_addr_port);
323  }
324  else
325  {
326  last_pci_addr.as_u32 = ~0;
327  }
328  }
329  else
330  last_pci_addr.as_u32 = ~0;
331 
332  clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
333  sizeof (struct rte_eth_txconf));
334 
335  if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
336  {
337  xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
338  xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
339  }
340 
341  if (dm->conf->enable_tcp_udp_checksum)
342  {
343  if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_UDP_CKSUM)
344  xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_UDP_CKSUM;
345  if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TCP_CKSUM)
346  xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_CKSUM;
347  }
348 
349  if (dm->conf->no_multi_seg)
350  {
351  xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
352  xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
353  xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
354  }
355  else
356  {
357  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
358  xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
359  xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
360  xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
361  }
362 
363  xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
364 
365  if (devconf->num_tx_queues > 0
366  && devconf->num_tx_queues < xd->tx_q_used)
367  xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
368 
369  if (devconf->num_rx_queues > 1
370  && dev_info.max_rx_queues >= devconf->num_rx_queues)
371  {
372  xd->rx_q_used = devconf->num_rx_queues;
373  xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
374  if (devconf->rss_fn == 0)
375  xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
376  ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
377  else
378  {
379  u64 unsupported_bits;
380  xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
381  unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
382  unsupported_bits &= ~dev_info.flow_type_rss_offloads;
383  if (unsupported_bits)
384  dpdk_log_warn ("Unsupported RSS hash functions: %U",
385  format_dpdk_rss_hf_name, unsupported_bits);
386  }
387  xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
388  dev_info.flow_type_rss_offloads;
389  }
390  else
391  xd->rx_q_used = 1;
392 
393  xd->flags |= DPDK_DEVICE_FLAG_PMD;
394 
395  /* workaround for drivers not setting driver_name */
396  if ((!dev_info.driver_name) && (pci_dev))
397  dev_info.driver_name = pci_dev->driver->driver.name;
398 
399  ASSERT (dev_info.driver_name);
400 
401  if (!xd->pmd)
402  {
403 
404 
405 #define _(s,f) else if (dev_info.driver_name && \
406  !strcmp(dev_info.driver_name, s)) \
407  xd->pmd = VNET_DPDK_PMD_##f;
408  if (0)
409  ;
411 #undef _
412  else
414 
418 
419  switch (xd->pmd)
420  {
421  /* Drivers with valid speed_capa set */
422  case VNET_DPDK_PMD_E1000EM:
423  case VNET_DPDK_PMD_IGB:
424  case VNET_DPDK_PMD_IXGBE:
425  case VNET_DPDK_PMD_I40E:
426  case VNET_DPDK_PMD_ICE:
427  xd->port_type = port_type_from_speed_capa (&dev_info);
428  xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
429  VNET_FLOW_ACTION_REDIRECT_TO_NODE |
430  VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
431  VNET_FLOW_ACTION_BUFFER_ADVANCE |
432  VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP |
433  VNET_FLOW_ACTION_RSS;
434 
435  if (dm->conf->no_tx_checksum_offload == 0)
436  {
437  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
438  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
439  xd->flags |=
440  DPDK_DEVICE_FLAG_TX_OFFLOAD |
441  DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
442  }
443 
444 
445  break;
446  case VNET_DPDK_PMD_CXGBE:
447  case VNET_DPDK_PMD_MLX4:
448  case VNET_DPDK_PMD_MLX5:
449  case VNET_DPDK_PMD_QEDE:
450  case VNET_DPDK_PMD_BNXT:
451  xd->port_type = port_type_from_speed_capa (&dev_info);
452  break;
453 
454  /* SR-IOV VFs */
455  case VNET_DPDK_PMD_IGBVF:
456  case VNET_DPDK_PMD_IXGBEVF:
457  case VNET_DPDK_PMD_I40EVF:
459  if (dm->conf->no_tx_checksum_offload == 0)
460  {
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 |=
464  DPDK_DEVICE_FLAG_TX_OFFLOAD |
465  DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
466  }
467  break;
468 
469  /* iAVF */
470  case VNET_DPDK_PMD_IAVF:
472  xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
473  VNET_FLOW_ACTION_REDIRECT_TO_NODE |
474  VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
475  VNET_FLOW_ACTION_BUFFER_ADVANCE |
476  VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
477 
478  if (dm->conf->no_tx_checksum_offload == 0)
479  {
480  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
481  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
482  xd->flags |=
483  DPDK_DEVICE_FLAG_TX_OFFLOAD |
484  DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
485  }
486  break;
487 
488  case VNET_DPDK_PMD_THUNDERX:
490 
491  if (dm->conf->no_tx_checksum_offload == 0)
492  {
493  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
494  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
495  xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
496  }
497  break;
498 
499  case VNET_DPDK_PMD_ENA:
501  xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
502  break;
503 
504  case VNET_DPDK_PMD_DPAA2:
506  break;
507 
508  /* Cisco VIC */
509  case VNET_DPDK_PMD_ENIC:
510  {
511  struct rte_eth_link l;
512  rte_eth_link_get_nowait (i, &l);
513  xd->port_type = port_type_from_link_speed (l.link_speed);
514  if (dm->conf->enable_tcp_udp_checksum)
516  }
517  break;
518 
519  /* Intel Red Rock Canyon */
520  case VNET_DPDK_PMD_FM10K:
522  break;
523 
524  /* virtio */
525  case VNET_DPDK_PMD_VIRTIO:
526  xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_NONE;
530  break;
531 
532  /* vmxnet3 */
533  case VNET_DPDK_PMD_VMXNET3:
535  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
536  break;
537 
538  case VNET_DPDK_PMD_AF_PACKET:
540  xd->af_packet_instance_num = af_packet_instance_num++;
541  break;
542 
543  case VNET_DPDK_PMD_VIRTIO_USER:
545  break;
546 
547  case VNET_DPDK_PMD_VHOST_ETHER:
549  break;
550 
551  case VNET_DPDK_PMD_LIOVF_ETHER:
553  break;
554 
555  case VNET_DPDK_PMD_FAILSAFE:
557  xd->port_conf.intr_conf.lsc = 1;
558  break;
559 
560  case VNET_DPDK_PMD_NETVSC:
561  {
562  struct rte_eth_link l;
563  rte_eth_link_get_nowait (i, &l);
565  }
566  break;
567 
568  default:
570  }
571 
572  if (devconf->num_rx_desc)
573  xd->nb_rx_desc = devconf->num_rx_desc;
574  else {
575 
576  /* If num_rx_desc is not specified by VPP user, the current CPU is working
577  with 2M page and has no L3 cache, default num_rx_desc is changed to 512
578  from original 1024 to help reduce TLB misses.
579  */
580  if ((clib_mem_get_default_hugepage_size () == 2 << 20)
581  && check_l3cache() == 0)
582  xd->nb_rx_desc = 512;
583  }
584 
585  if (devconf->num_tx_desc)
586  xd->nb_tx_desc = devconf->num_tx_desc;
587  else {
588 
589  /* If num_tx_desc is not specified by VPP user, the current CPU is working
590  with 2M page and has no L3 cache, default num_tx_desc is changed to 512
591  from original 1024 to help reduce TLB misses.
592  */
593  if ((clib_mem_get_default_hugepage_size () == 2 << 20)
594  && check_l3cache() == 0)
595  xd->nb_tx_desc = 512;
596  }
597  }
598 
599  if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
600  {
601  f64 now = vlib_time_now (vm);
602  u32 rnd;
603  rnd = (u32) (now * 1e6);
604  rnd = random_u32 (&rnd);
605  clib_memcpy (addr + 2, &rnd, sizeof (rnd));
606  addr[0] = 2;
607  addr[1] = 0xfe;
608  }
609  else
610  rte_eth_macaddr_get (i, (void *) addr);
611 
612  xd->port_id = i;
613  xd->device_index = xd - dm->devices;
614  xd->per_interface_next_index = ~0;
615 
616  /* assign interface to input thread */
617  int q;
618 
620  (dm->vnet_main, dpdk_device_class.index, xd->device_index,
621  /* ethernet address */ addr,
623  if (error)
624  return error;
625 
626  /*
627  * Ensure default mtu is not > the mtu read from the hardware.
628  * Otherwise rte_eth_dev_configure() will fail and the port will
629  * not be available.
630  * Calculate max_frame_size and mtu supported by NIC
631  */
632  if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
633  {
634  /*
635  * This device does not support the platforms's max frame
636  * size. Use it's advertised mru instead.
637  */
638  max_rx_frame = dev_info.max_rx_pktlen;
639  mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
640  }
641  else
642  {
643  /* VPP treats MTU and max_rx_pktlen both equal to
644  * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
645  * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
646  */
647  if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
648  sizeof (ethernet_header_t)))
649  {
651  max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
652 
653  /*
654  * Some platforms do not account for Ethernet FCS (4 bytes) in
655  * MTU calculations. To interop with them increase mru but only
656  * if the device's settings can support it.
657  */
658  if (dpdk_port_crc_strip_enabled (xd) &&
659  (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
660  sizeof (ethernet_header_t) +
661  4)))
662  {
663  max_rx_frame += 4;
664  }
665  }
666  else
667  {
668  max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
670 
671  if (dpdk_port_crc_strip_enabled (xd) &&
672  (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
673  {
674  max_rx_frame += 4;
675  }
676  }
677  }
678 
679  if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
680  {
681  /* failsafe device numerables are reported with active device only,
682  * need to query the mtu for current device setup to overwrite
683  * reported value.
684  */
685  uint16_t dev_mtu;
686  if (!rte_eth_dev_get_mtu (i, &dev_mtu))
687  {
688  mtu = dev_mtu;
689  max_rx_frame = mtu + sizeof (ethernet_header_t);
690 
692  {
693  max_rx_frame += 4;
694  }
695  }
696  }
697 
698  /*Set port rxmode config */
699  xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
700 
702  xd->sw_if_index = sw->sw_if_index;
704  dpdk_input_node.index);
705 
706  if (devconf->workers)
707  {
708  int i;
709  q = 0;
710  clib_bitmap_foreach (i, devconf->workers, ({
711  vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
712  vdm->first_worker_thread_index + i);
713  }));
714  }
715  else
716  for (q = 0; q < xd->rx_q_used; q++)
717  {
719  ~1);
720  }
721 
722  /*Get vnet hardware interface */
724 
725  /*Override default max_packet_bytes and max_supported_bytes set in
726  * ethernet_register_interface() above*/
727  if (hi)
728  {
729  hi->max_packet_bytes = mtu;
730  hi->max_supported_packet_bytes = max_rx_frame;
731  hi->numa_node = xd->cpu_socket;
732 
733  /* Indicate ability to support L3 DMAC filtering and
734  * initialize interface to L3 non-promisc mode */
738  }
739 
740  if (dm->conf->no_tx_checksum_offload == 0)
741  if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
743 
744  if (devconf->tso == DPDK_DEVICE_TSO_ON && hi != NULL)
745  {
746  /*tcp_udp checksum must be enabled*/
747  if ((dm->conf->enable_tcp_udp_checksum) &&
749  {
751  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_TSO |
752  DEV_TX_OFFLOAD_UDP_TSO;
753  }
754  else
755  clib_warning ("%s: TCP/UDP checksum offload must be enabled",
756  hi->name);
757  }
758 
759  dpdk_device_setup (xd);
760 
761  /* rss queues should be configured after dpdk_device_setup() */
762  if ((hi != NULL) && (devconf->rss_queues != NULL))
763  {
765  (vnet_get_main (), hi, devconf->rss_queues))
766  {
767  clib_warning ("%s: Failed to set rss queues", hi->name);
768  }
769  }
770 
771  if (vec_len (xd->errors))
772  dpdk_log_err ("setup failed for device %U. Errors:\n %U",
775 
776  /*
777  * A note on Cisco VIC (PMD_ENIC) and VLAN:
778  *
779  * With Cisco VIC vNIC, every ingress packet is tagged. On a
780  * trunk vNIC (C series "standalone" server), packets on no VLAN
781  * are tagged with vlan 0. On an access vNIC (standalone or B
782  * series "blade" server), packets on the default/native VLAN
783  * are tagged with that vNIC's VLAN. VPP expects these packets
784  * to be untagged, and previously enabled VLAN strip on VIC by
785  * default. But it also broke vlan sub-interfaces.
786  *
787  * The VIC adapter has "untag default vlan" ingress VLAN rewrite
788  * mode, which removes tags from these packets. VPP now includes
789  * a local patch for the enic driver to use this untag mode, so
790  * enabling vlan stripping is no longer needed. In future, the
791  * driver + dpdk will have an API to set the mode after
792  * rte_eal_init. Then, this note and local patch will be
793  * removed.
794  */
795 
796  /*
797  * VLAN stripping: default to VLAN strip disabled, unless specified
798  * otherwise in the startup config.
799  */
800 
801  vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
803  {
804  vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
805  if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) >= 0)
806  dpdk_log_info ("VLAN strip enabled for interface\n");
807  else
808  dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
809  xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
810  }
811  else
812  {
813  if (vlan_off & ETH_VLAN_STRIP_OFFLOAD)
814  {
815  vlan_off &= ~ETH_VLAN_STRIP_OFFLOAD;
816  if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) >= 0)
817  dpdk_log_warn ("set VLAN offload failed\n");
818  }
819  xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
820  }
821 
822  if (hi)
823  hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
824  - sizeof (ethernet_header_t);
825  else
826  dpdk_log_warn ("hi NULL");
827 
828  if (dm->conf->no_multi_seg)
829  mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
830 
831  rte_eth_dev_set_mtu (xd->port_id, mtu);
832 }
833 
834  /* *INDENT-ON* */
835 
836  return 0;
837 }
838 
839 static void
841 {
843  clib_error_t *error;
844  u8 *pci_addr = 0;
845  int num_whitelisted = vec_len (conf->dev_confs);
846  vlib_pci_device_info_t *d = 0;
847  vlib_pci_addr_t *addr = 0, *addrs;
848  int i;
849 
850  addrs = vlib_pci_get_all_dev_addrs ();
851  /* *INDENT-OFF* */
852  vec_foreach (addr, addrs)
853  {
854  dpdk_device_config_t * devconf = 0;
855  vec_reset_length (pci_addr);
856  pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
857  if (d)
858  {
860  d = 0;
861  }
862  d = vlib_pci_get_device_info (vm, addr, &error);
863  if (error)
864  {
865  clib_error_report (error);
866  continue;
867  }
868 
870  continue;
871 
872  if (num_whitelisted)
873  {
874  uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
875 
876  if (!p)
877  {
878  skipped:
879  continue;
880  }
881 
882  devconf = pool_elt_at_index (conf->dev_confs, p[0]);
883  }
884 
885  /* Enforce Device blacklist by vendor and device */
886  for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
887  {
888  u16 vendor, device;
889  vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
890  device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
891  if (d->vendor_id == vendor && d->device_id == device)
892  {
893  /*
894  * Expected case: device isn't whitelisted,
895  * so blacklist it...
896  */
897  if (devconf == 0)
898  {
899  /* Device is blacklisted */
900  pool_get (conf->dev_confs, devconf);
901  hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
902  devconf - conf->dev_confs);
903  devconf->pci_addr.as_u32 = addr->as_u32;
904  devconf->is_blacklisted = 1;
905  goto skipped;
906  }
907  else /* explicitly whitelisted, ignore the device blacklist */
908  break;
909  }
910  }
911 
912  /* virtio */
913  if (d->vendor_id == 0x1af4 &&
916  ;
917  /* vmxnet3 */
918  else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
919  {
920  /*
921  * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
922  * the default is to put it in the blacklist.
923  */
924  if (devconf == 0)
925  {
926  pool_get (conf->dev_confs, devconf);
927  hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
928  devconf - conf->dev_confs);
929  devconf->pci_addr.as_u32 = addr->as_u32;
930  devconf->is_blacklisted = 1;
931  }
932  }
933  /* all Intel network devices */
934  else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
935  ;
936  /* all Intel QAT devices VFs */
937  else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
938  (d->device_id == 0x0443 || d->device_id == 0x18a1 || d->device_id == 0x19e3 ||
939  d->device_id == 0x37c9 || d->device_id == 0x6f55))
940  ;
941  /* Cisco VIC */
942  else if (d->vendor_id == 0x1137 &&
943  (d->device_id == 0x0043 || d->device_id == 0x0071))
944  ;
945  /* Chelsio T4/T5 */
946  else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
947  ;
948  /* Amazon Elastic Network Adapter */
949  else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
950  ;
951  /* Cavium Network Adapter */
952  else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
953  ;
954  /* Cavium FastlinQ QL41000 Series */
955  else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
956  ;
957  /* Mellanox CX3, CX3VF */
958  else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
959  {
960  continue;
961  }
962  /* Mellanox CX4, CX4VF, CX4LX, CX4LXVF, CX5, CX5VF, CX5EX, CX5EXVF */
963  else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
964  {
965  continue;
966  }
967  /* Mellanox CX6, CX6VF, CX6DX, CX6DXVF */
968  else if (d->vendor_id == 0x15b3 && d->device_id >= 0x101b && d->device_id <= 0x101e)
969  {
970  continue;
971  }
972  /* Broadcom NetXtreme S, and E series only */
973  else if (d->vendor_id == 0x14e4 &&
974  ((d->device_id >= 0x16c0 &&
975  d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
976  d->device_id != 0x16dd && d->device_id != 0x16f7 &&
977  d->device_id != 0x16fd && d->device_id != 0x16fe &&
978  d->device_id != 0x170d && d->device_id != 0x170c &&
979  d->device_id != 0x170e && d->device_id != 0x1712 &&
980  d->device_id != 0x1713) ||
981  (d->device_id == 0x1604 || d->device_id == 0x1605 ||
982  d->device_id == 0x1614 || d->device_id == 0x1606 ||
983  d->device_id == 0x1609 || d->device_id == 0x1614)))
984  ;
985  else
986  {
987  dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
988  "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
989  pci_addr);
990  continue;
991  }
992 
993  error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
994 
995  if (error)
996  {
997  if (devconf == 0)
998  {
999  pool_get (conf->dev_confs, devconf);
1000  hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
1001  devconf - conf->dev_confs);
1002  devconf->pci_addr.as_u32 = addr->as_u32;
1003  }
1004  devconf->is_blacklisted = 1;
1005  clib_error_report (error);
1006  }
1007  }
1008  /* *INDENT-ON* */
1009  vec_free (pci_addr);
1011 }
1012 
1013 static void
1015 {
1016  clib_error_t *error;
1017  vlib_vmbus_addr_t *addrs, *addr = 0;
1018 
1019  addrs = vlib_vmbus_get_all_dev_addrs ();
1020 
1021  /* *INDENT-OFF* */
1022  vec_foreach (addr, addrs)
1023  {
1024  error = vlib_vmbus_bind_to_uio (addr);
1025 
1026  if (error)
1027  {
1028  clib_error_report (error);
1029  }
1030  }
1031  /* *INDENT-ON* */
1032 }
1033 
1034 static clib_error_t *
1035 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
1036  unformat_input_t * input, u8 is_default)
1037 {
1038  clib_error_t *error = 0;
1039  uword *p;
1040  dpdk_device_config_t *devconf;
1041  unformat_input_t sub_input;
1042 
1043  if (is_default)
1044  {
1045  devconf = &conf->default_devconf;
1046  }
1047  else
1048  {
1049  p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
1050 
1051  if (!p)
1052  {
1053  pool_get (conf->dev_confs, devconf);
1054  hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
1055  devconf - conf->dev_confs);
1056  }
1057  else
1058  return clib_error_return (0,
1059  "duplicate configuration for PCI address %U",
1060  format_vlib_pci_addr, &pci_addr);
1061  }
1062 
1063  devconf->pci_addr.as_u32 = pci_addr.as_u32;
1064  devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1065 
1066  if (!input)
1067  return 0;
1068 
1069  unformat_skip_white_space (input);
1070  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1071  {
1072  if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1073  ;
1074  else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1075  ;
1076  else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1077  ;
1078  else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1079  ;
1080  else if (unformat (input, "name %s", &devconf->name))
1081  ;
1082  else if (unformat (input, "workers %U", unformat_bitmap_list,
1083  &devconf->workers))
1084  ;
1085  else
1086  if (unformat
1087  (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1088  {
1089  error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1090  if (error)
1091  break;
1092  }
1093  else if (unformat (input, "vlan-strip-offload off"))
1095  else if (unformat (input, "vlan-strip-offload on"))
1097  else if (unformat (input, "tso on"))
1098  {
1099  devconf->tso = DPDK_DEVICE_TSO_ON;
1100  }
1101  else if (unformat (input, "tso off"))
1102  {
1103  devconf->tso = DPDK_DEVICE_TSO_OFF;
1104  }
1105  else if (unformat (input, "devargs %s", &devconf->devargs))
1106  ;
1107  else if (unformat (input, "rss-queues %U",
1108  unformat_bitmap_list, &devconf->rss_queues))
1109  ;
1110  else
1111  {
1112  error = clib_error_return (0, "unknown input `%U'",
1113  format_unformat_error, input);
1114  break;
1115  }
1116  }
1117 
1118  if (error)
1119  return error;
1120 
1121  if (devconf->workers && devconf->num_rx_queues == 0)
1122  devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1123  else if (devconf->workers &&
1124  clib_bitmap_count_set_bits (devconf->workers) !=
1125  devconf->num_rx_queues)
1126  error =
1127  clib_error_return (0,
1128  "%U: number of worker threads must be "
1129  "equal to number of rx queues", format_vlib_pci_addr,
1130  &pci_addr);
1131 
1132  return error;
1133 }
1134 
1135 static clib_error_t *
1137 {
1138  unformat_input_t input;
1139  u8 *line, *s = 0;
1140  int n, n_try;
1141 
1142  n = n_try = 4096;
1143  while (n == n_try)
1144  {
1145  uword len = vec_len (s);
1146  vec_resize (s, len + n_try);
1147 
1148  n = read (uf->file_descriptor, s + len, n_try);
1149  if (n < 0 && errno != EAGAIN)
1150  return clib_error_return_unix (0, "read");
1151  _vec_len (s) = len + (n < 0 ? 0 : n);
1152  }
1153 
1154  unformat_init_vector (&input, s);
1155 
1156  while (unformat_user (&input, unformat_line, &line))
1157  {
1158  dpdk_log_notice ("%v", line);
1159  vec_free (line);
1160  }
1161 
1162  unformat_free (&input);
1163  return 0;
1164 }
1165 
1166 static clib_error_t *
1168 {
1169  clib_error_t *error = 0;
1172  dpdk_device_config_t *devconf;
1173  vlib_pci_addr_t pci_addr;
1174  unformat_input_t sub_input;
1175  uword default_hugepage_sz, x;
1176  u8 *s, *tmp = 0;
1177  int ret, i;
1178  int num_whitelisted = 0;
1179  u8 no_pci = 0;
1180  u8 no_vmbus = 0;
1181  u8 file_prefix = 0;
1182  u8 *socket_mem = 0;
1183  u8 *huge_dir_path = 0;
1184  u32 vendor, device, domain, bus, func;
1185 
1186  huge_dir_path =
1187  format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1188 
1189  conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1190 
1191  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1192  {
1193  /* Prime the pump */
1194  if (unformat (input, "no-hugetlb"))
1195  {
1196  vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1197  }
1198 
1199  else if (unformat (input, "enable-tcp-udp-checksum"))
1200  conf->enable_tcp_udp_checksum = 1;
1201 
1202  else if (unformat (input, "no-tx-checksum-offload"))
1203  conf->no_tx_checksum_offload = 1;
1204 
1205  else if (unformat (input, "decimal-interface-names"))
1207 
1208  else if (unformat (input, "no-multi-seg"))
1209  conf->no_multi_seg = 1;
1210 
1211  else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1212  &sub_input))
1213  {
1214  error =
1215  dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1216  1);
1217 
1218  if (error)
1219  return error;
1220  }
1221  else
1222  if (unformat
1223  (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1224  unformat_vlib_cli_sub_input, &sub_input))
1225  {
1226  error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1227 
1228  if (error)
1229  return error;
1230 
1231  num_whitelisted++;
1232  }
1233  else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1234  {
1235  error = dpdk_device_config (conf, pci_addr, 0, 0);
1236 
1237  if (error)
1238  return error;
1239 
1240  num_whitelisted++;
1241  }
1242  else if (unformat (input, "num-mem-channels %d", &conf->nchannels))
1243  conf->nchannels_set_manually = 0;
1244  else if (unformat (input, "num-crypto-mbufs %d",
1245  &conf->num_crypto_mbufs))
1246  ;
1247  else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1248  ;
1249  else if (unformat (input, "socket-mem %s", &socket_mem))
1250  ;
1251  else if (unformat (input, "no-pci"))
1252  {
1253  no_pci = 1;
1254  tmp = format (0, "--no-pci%c", 0);
1255  vec_add1 (conf->eal_init_args, tmp);
1256  }
1257  else
1258  if (unformat
1259  (input, "blacklist %x:%x:%x.%x", &domain, &bus, &device, &func))
1260  {
1261  tmp =
1262  format (0, "-b %04x:%02x:%02x.%x%c", domain, bus, device, func,
1263  0);
1264  vec_add1 (conf->eal_init_args, tmp);
1265  }
1266  else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1267  {
1268  u32 blacklist_entry;
1269  if (vendor > 0xFFFF)
1270  return clib_error_return (0, "blacklist PCI vendor out of range");
1271  if (device > 0xFFFF)
1272  return clib_error_return (0, "blacklist PCI device out of range");
1273  blacklist_entry = (vendor << 16) | (device & 0xffff);
1275  blacklist_entry);
1276  }
1277  else if (unformat (input, "no-vmbus"))
1278  {
1279  no_vmbus = 1;
1280  tmp = format (0, "--no-vmbus%c", 0);
1281  vec_add1 (conf->eal_init_args, tmp);
1282  }
1283 
1284 #define _(a) \
1285  else if (unformat(input, #a)) \
1286  { \
1287  tmp = format (0, "--%s%c", #a, 0); \
1288  vec_add1 (conf->eal_init_args, tmp); \
1289  }
1291 #undef _
1292 #define _(a) \
1293  else if (unformat(input, #a " %s", &s)) \
1294  { \
1295  if (!strncmp(#a, "file-prefix", 11)) \
1296  file_prefix = 1; \
1297  tmp = format (0, "--%s%c", #a, 0); \
1298  vec_add1 (conf->eal_init_args, tmp); \
1299  vec_add1 (s, 0); \
1300  if (!strncmp(#a, "vdev", 4)) \
1301  if (strstr((char*)s, "af_packet")) \
1302  clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1303  vec_add1 (conf->eal_init_args, s); \
1304  }
1306 #undef _
1307 #define _(a,b) \
1308  else if (unformat(input, #a " %s", &s)) \
1309  { \
1310  tmp = format (0, "-%s%c", #b, 0); \
1311  vec_add1 (conf->eal_init_args, tmp); \
1312  vec_add1 (s, 0); \
1313  vec_add1 (conf->eal_init_args, s); \
1314  }
1316 #undef _
1317 #define _(a,b) \
1318  else if (unformat(input, #a " %s", &s)) \
1319  { \
1320  tmp = format (0, "-%s%c", #b, 0); \
1321  vec_add1 (conf->eal_init_args, tmp); \
1322  vec_add1 (s, 0); \
1323  vec_add1 (conf->eal_init_args, s); \
1324  conf->a##_set_manually = 1; \
1325  }
1327 #undef _
1328  else if (unformat (input, "default"))
1329  ;
1330 
1331  else if (unformat_skip_white_space (input))
1332  ;
1333  else
1334  {
1335  error = clib_error_return (0, "unknown input `%U'",
1336  format_unformat_error, input);
1337  goto done;
1338  }
1339  }
1340 
1341  if (!conf->uio_driver_name)
1342  conf->uio_driver_name = format (0, "auto%c", 0);
1343 
1344  default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1345 
1346  /* *INDENT-OFF* */
1348  {
1349  clib_error_t *e;
1350  uword n_pages;
1351  /* preallocate at least 16MB of hugepages per socket,
1352  if more is needed it is up to consumer to preallocate more */
1353  n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1354  n_pages /= default_hugepage_sz;
1355 
1356  if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1357  clib_error_report (e);
1358  }));
1359  /* *INDENT-ON* */
1360 
1361  if (!file_prefix)
1362  {
1363  tmp = format (0, "--file-prefix%c", 0);
1364  vec_add1 (conf->eal_init_args, tmp);
1365  tmp = format (0, "vpp%c", 0);
1366  vec_add1 (conf->eal_init_args, tmp);
1367  }
1368 
1369  if (error)
1370  return error;
1371 
1372  /* I'll bet that -c and -n must be the first and second args... */
1373  if (!conf->coremask_set_manually)
1374  {
1376  uword *coremask = 0;
1377  int i;
1378 
1379  /* main thread core */
1380  coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1381 
1382  for (i = 0; i < vec_len (tm->registrations); i++)
1383  {
1384  tr = tm->registrations[i];
1385  coremask = clib_bitmap_or (coremask, tr->coremask);
1386  }
1387 
1388  vec_insert (conf->eal_init_args, 2, 1);
1389  conf->eal_init_args[1] = (u8 *) "-c";
1390  tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1391  conf->eal_init_args[2] = tmp;
1392  clib_bitmap_free (coremask);
1393  }
1394 
1395  if (!conf->nchannels_set_manually)
1396  {
1397  vec_insert (conf->eal_init_args, 2, 3);
1398  conf->eal_init_args[3] = (u8 *) "-n";
1399  tmp = format (0, "%d", conf->nchannels);
1400  vec_terminate_c_string (tmp);
1401  conf->eal_init_args[4] = tmp;
1402  }
1403 
1404  if (no_pci == 0 && geteuid () == 0)
1405  dpdk_bind_devices_to_uio (conf);
1406 
1407  if (no_vmbus == 0 && geteuid () == 0)
1409 
1410 #define _(x) \
1411  if (devconf->x == 0 && conf->default_devconf.x > 0) \
1412  devconf->x = conf->default_devconf.x ;
1413 
1414  /* *INDENT-OFF* */
1415  pool_foreach (devconf, conf->dev_confs, ({
1416 
1417  /* default per-device config items */
1418  foreach_dpdk_device_config_item
1419 
1420  /* copy vlan_strip config from default device */
1421  if (devconf->vlan_strip_offload == 0 &&
1422  conf->default_devconf.vlan_strip_offload > 0)
1423  devconf->vlan_strip_offload =
1424  conf->default_devconf.vlan_strip_offload;
1425 
1426  /* copy tso config from default device */
1427  _(tso)
1428 
1429  /* copy tso config from default device */
1430  _(devargs)
1431 
1432  /* copy rss_queues config from default device */
1433  _(rss_queues)
1434 
1435  /* add DPDK EAL whitelist/blacklist entry */
1436  if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1437  {
1438  tmp = format (0, "-w%c", 0);
1439  vec_add1 (conf->eal_init_args, tmp);
1440  if (devconf->devargs)
1441  {
1442  tmp = format (0, "%U,%s", format_vlib_pci_addr, &devconf->pci_addr, devconf->devargs, 0);
1443  }
1444  else
1445  {
1446  tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1447  }
1448  vec_add1 (conf->eal_init_args, tmp);
1449  }
1450  else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1451  {
1452  tmp = format (0, "-b%c", 0);
1453  vec_add1 (conf->eal_init_args, tmp);
1454  tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1455  vec_add1 (conf->eal_init_args, tmp);
1456  }
1457  }));
1458  /* *INDENT-ON* */
1459 
1460 #undef _
1461 
1462  /* set master-lcore */
1463  tmp = format (0, "--master-lcore%c", 0);
1464  vec_add1 (conf->eal_init_args, tmp);
1465  tmp = format (0, "%u%c", tm->main_lcore, 0);
1466  vec_add1 (conf->eal_init_args, tmp);
1467 
1468 
1469  if (socket_mem)
1470  clib_warning ("socket-mem argument is deprecated");
1471 
1472  /* NULL terminate the "argv" vector, in case of stupidity */
1473  vec_add1 (conf->eal_init_args, 0);
1474  _vec_len (conf->eal_init_args) -= 1;
1475 
1476  /* Set up DPDK eal and packet mbuf pool early. */
1477 
1478  int log_fds[2] = { 0 };
1479  if (pipe (log_fds) == 0)
1480  {
1481  if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1482  {
1483  FILE *f = fdopen (log_fds[1], "a");
1484  if (f && rte_openlog_stream (f) == 0)
1485  {
1486  clib_file_t t = { 0 };
1488  t.file_descriptor = log_fds[0];
1489  t.description = format (0, "DPDK logging pipe");
1490  clib_file_add (&file_main, &t);
1491  }
1492  }
1493  else
1494  {
1495  close (log_fds[0]);
1496  close (log_fds[1]);
1497  }
1498  }
1499 
1500  vm = vlib_get_main ();
1501 
1502  /* make copy of args as rte_eal_init tends to mess up with arg array */
1503  for (i = 1; i < vec_len (conf->eal_init_args); i++)
1504  conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1505  conf->eal_init_args[i]);
1506 
1507  vec_terminate_c_string (conf->eal_init_args_str);
1508 
1509  dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1510  ret = rte_eal_init (vec_len (conf->eal_init_args),
1511  (char **) conf->eal_init_args);
1512 
1513  /* lazy umount hugepages */
1514  umount2 ((char *) huge_dir_path, MNT_DETACH);
1515  rmdir ((char *) huge_dir_path);
1516  vec_free (huge_dir_path);
1517 
1518  if (ret < 0)
1519  return clib_error_return (0, "rte_eal_init returned %d", ret);
1520 
1521  /* main thread 1st */
1522  if ((error = dpdk_buffer_pools_create (vm)))
1523  return error;
1524 
1525 done:
1526  return error;
1527 }
1528 
1530 
1531 void
1533 {
1534  vnet_main_t *vnm = vnet_get_main ();
1535  struct rte_eth_link prev_link = xd->link;
1536  u32 hw_flags = 0;
1537  u8 hw_flags_chg = 0;
1538 
1539  /* only update link state for PMD interfaces */
1540  if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1541  return;
1542 
1543  xd->time_last_link_update = now ? now : xd->time_last_link_update;
1544  clib_memset (&xd->link, 0, sizeof (xd->link));
1545  rte_eth_link_get_nowait (xd->port_id, &xd->link);
1546 
1547  if (LINK_STATE_ELOGS)
1548  {
1550  ELOG_TYPE_DECLARE (e) =
1551  {
1552  .format =
1553  "update-link-state: sw_if_index %d, admin_up %d,"
1554  "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1555 
1556  struct
1557  {
1558  u32 sw_if_index;
1559  u8 admin_up;
1560  u8 old_link_state;
1561  u8 new_link_state;
1562  } *ed;
1563  ed = ELOG_DATA (&vm->elog_main, e);
1564  ed->sw_if_index = xd->sw_if_index;
1565  ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1566  ed->old_link_state = (u8)
1568  ed->new_link_state = (u8) xd->link.link_status;
1569  }
1570 
1571  if ((xd->link.link_duplex != prev_link.link_duplex))
1572  {
1573  hw_flags_chg = 1;
1574  switch (xd->link.link_duplex)
1575  {
1576  case ETH_LINK_HALF_DUPLEX:
1578  break;
1579  case ETH_LINK_FULL_DUPLEX:
1581  break;
1582  default:
1583  break;
1584  }
1585  }
1586  if (xd->link.link_speed != prev_link.link_speed)
1588  xd->link.link_speed * 1000);
1589 
1590  if (xd->link.link_status != prev_link.link_status)
1591  {
1592  hw_flags_chg = 1;
1593 
1594  if (xd->link.link_status)
1595  hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1596  }
1597 
1598  if (hw_flags_chg)
1599  {
1600  if (LINK_STATE_ELOGS)
1601  {
1603 
1604  ELOG_TYPE_DECLARE (e) =
1605  {
1606  .format =
1607  "update-link-state: sw_if_index %d, new flags %d",.format_args
1608  = "i4i4",};
1609 
1610  struct
1611  {
1612  u32 sw_if_index;
1613  u32 flags;
1614  } *ed;
1615  ed = ELOG_DATA (&vm->elog_main, e);
1616  ed->sw_if_index = xd->sw_if_index;
1617  ed->flags = hw_flags;
1618  }
1619  vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1620  }
1621 }
1622 
1623 static uword
1625 {
1626  clib_error_t *error;
1627  dpdk_main_t *dm = &dpdk_main;
1628  dpdk_device_t *xd;
1630 
1631  error = dpdk_lib_init (dm);
1632 
1633  if (error)
1634  clib_error_report (error);
1635 
1636  error = dpdk_cryptodev_init (vm);
1637  if (error)
1638  clib_error_report (error);
1639 
1640  tm->worker_thread_release = 1;
1641 
1642  f64 now = vlib_time_now (vm);
1643  vec_foreach (xd, dm->devices)
1644  {
1645  dpdk_update_link_state (xd, now);
1646  }
1647 
1648  while (1)
1649  {
1650  /*
1651  * check each time through the loop in case intervals are changed
1652  */
1653  f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1655 
1656  vlib_process_wait_for_event_or_clock (vm, min_wait);
1657 
1658  if (dm->admin_up_down_in_progress)
1659  /* skip the poll if an admin up down is in progress (on any interface) */
1660  continue;
1661 
1662  vec_foreach (xd, dm->devices)
1663  {
1664  f64 now = vlib_time_now (vm);
1665  if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1666  dpdk_update_counters (xd, now);
1667  if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1668  dpdk_update_link_state (xd, now);
1669 
1670  }
1671  }
1672 
1673  return 0;
1674 }
1675 
1676 /* *INDENT-OFF* */
1678  .function = dpdk_process,
1679  .type = VLIB_NODE_TYPE_PROCESS,
1680  .name = "dpdk-process",
1681  .process_log2_n_stack_bytes = 17,
1682 };
1683 /* *INDENT-ON* */
1684 
1685 static clib_error_t *
1687 {
1688  dpdk_main_t *dm = &dpdk_main;
1689  clib_error_t *error = 0;
1690 
1691  /* verify that structs are cacheline aligned */
1692  STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1693  "Cache line marker must be 1st element in dpdk_device_t");
1694  STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1696  "Data in cache line 0 is bigger than cache line size");
1697  STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1698  "Cache line marker must be 1st element in frame_queue_trace_t");
1699  STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1700  "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1701 
1702  dpdk_cli_reference ();
1703 
1704  dm->vlib_main = vm;
1705  dm->vnet_main = vnet_get_main ();
1706  dm->conf = &dpdk_config_main;
1707 
1708  dm->conf->nchannels = 4;
1709  vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1710  vec_add1 (dm->conf->eal_init_args, (u8 *) "--in-memory");
1711 
1712  /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1713  dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID |
1714  VLIB_BUFFER_EXT_HDR_VALID |
1715  VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1716  VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
1717 
1720 
1721  dm->log_default = vlib_log_register_class ("dpdk", 0);
1722 
1723  return error;
1724 }
1725 
1727 
1728 /*
1729  * fd.io coding-style-patch-verification: ON
1730  *
1731  * Local Variables:
1732  * eval: (c-set-style "gnu")
1733  * End:
1734  */
vlib_log_class_t vlib_log_register_class(char *class, char *subclass)
Definition: log.c:209
u32 flags
buffer flags: VLIB_BUFFER_FREE_LIST_INDEX_MASK: bits used to store free list index, VLIB_BUFFER_IS_TRACED: trace this buffer.
Definition: buffer.h:124
static void dpdk_bind_devices_to_uio(dpdk_config_main_t *conf)
Definition: init.c:840
f64 time_last_link_update
Definition: dpdk.h:219
#define hash_set(h, key, value)
Definition: hash.h:255
#define VIRTIO_PCI_MODERN_DEVICEID_NET
Definition: pci_config.h:169
static void dpdk_enable_l4_csum_offload(dpdk_device_t *xd)
Definition: init.c:194
#define clib_min(x, y)
Definition: clib.h:327
static f64 vlib_process_wait_for_event_or_clock(vlib_main_t *vm, f64 dt)
Suspend a cooperative multi-tasking thread Waits for an event, or for the indicated number of seconds...
Definition: node_funcs.h:751
vl_api_wireguard_peer_flags_t flags
Definition: wireguard.api:103
u8 interface_name_format_decimal
Definition: dpdk.h:292
clib_error_t * vlib_vmbus_bind_to_uio(vlib_vmbus_addr_t *addr)
Definition: vmbus.c:213
vnet_main_t * vnet_get_main(void)
Definition: misc.c:46
Optimized string handling code, including c11-compliant "safe C library" variants.
vnet_device_class_t dpdk_device_class
unsigned long u64
Definition: types.h:89
u32 sw_if_index
Definition: dpdk.h:179
#define DPDK_DEVICE_VLAN_STRIP_OFF
Definition: dpdk.h:254
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
static f64 vlib_time_now(vlib_main_t *vm)
Definition: main.h:333
#define vec_add2_aligned(V, P, N, A)
Add N elements to end of vector V, return pointer to new elements in P.
Definition: vec.h:642
static uword * clib_bitmap_or(uword *ai, uword *bi)
Logical operator across two bitmaps.
static u32 dpdk_flag_change(vnet_main_t *vnm, vnet_hw_interface_t *hi, u32 flags)
Definition: init.c:112
struct rte_pci_device * dpdk_get_pci_device(const struct rte_eth_dev_info *info)
Definition: common.c:252
void dpdk_update_link_state(dpdk_device_t *xd, f64 now)
Definition: init.c:1532
u16 flags
Definition: dpdk.h:186
static vnet_hw_interface_t * vnet_get_hw_interface(vnet_main_t *vnm, u32 hw_if_index)
#define LINK_STATE_ELOGS
Definition: init.c:49
#define CLIB_LOG2_CACHE_LINE_BYTES
Definition: cache.h:50
u32 file_descriptor
Definition: file.h:54
#define vec_terminate_c_string(V)
(If necessary) NULL terminate a vector containing a c-string.
Definition: vec.h:1090
#define vec_add1(V, E)
Add 1 element to end of vector (unspecified alignment).
Definition: vec.h:592
static void vlib_pci_free_device_info(vlib_pci_device_info_t *di)
Definition: pci.h:114
#define DPDK_NB_RX_DESC_VIRTIO
Definition: dpdk_priv.h:18
clib_error_t * errors
Definition: dpdk.h:231
u32 per_interface_next_index
Definition: dpdk.h:182
u8 enable_tcp_udp_checksum
Definition: dpdk.h:278
static uword * clib_bitmap_set(uword *ai, uword i, uword value)
Sets the ith bit of a bitmap to new_value Removes trailing zeros from the bitmap. ...
Definition: bitmap.h:167
uword unformat_user(unformat_input_t *input, unformat_function_t *func,...)
Definition: unformat.c:989
#define DPDK_DEVICE_VLAN_STRIP_ON
Definition: dpdk.h:255
vlib_main_t * vm
Definition: in2out_ed.c:1582
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:424
void dpdk_cli_reference(void)
Definition: cli.c:389
#define DPDK_NB_TX_DESC_DEFAULT
Definition: dpdk_priv.h:17
u32 supported_flow_actions
Definition: dpdk.h:208
#define foreach_eal_double_hyphen_predicate_arg
Definition: dpdk_priv.h:29
#define vec_validate_aligned(V, I, A)
Make sure vector is long enough for given index (no header, specified alignment)
Definition: vec.h:520
#define ETHERNET_INTERFACE_FLAG_DEFAULT_L3
Definition: ethernet.h:149
#define DPDK_DEVICE_TSO_OFF
Definition: dpdk.h:266
#define pool_get(P, E)
Allocate an object E from a pool P (unspecified alignment).
Definition: pool.h:252
vhost_vring_addr_t addr
Definition: vhost_user.h:111
u32 * blacklist_by_pci_vendor_and_device
Definition: dpdk.h:300
unsigned char u8
Definition: types.h:56
dpdk_config_main_t dpdk_config_main
Definition: init.c:47
#define vec_reset_length(v)
Reset vector length to zero NULL-pointer tolerant.
clib_file_function_t * read_function
Definition: file.h:67
#define ETHER_MAX_LEN
Maximum frame len, including CRC.
Definition: init.c:44
double f64
Definition: types.h:142
static vnet_sw_interface_t * vnet_get_hw_sw_interface(vnet_main_t *vnm, u32 hw_if_index)
#define clib_memcpy(d, s, n)
Definition: string.h:180
foreach_dpdk_device_config_item clib_bitmap_t * workers
Definition: dpdk.h:260
#define dpdk_log_warn(...)
Definition: dpdk.h:400
#define pool_foreach(VAR, POOL, BODY)
Iterate through pool.
Definition: pool.h:513
static clib_error_t * dpdk_log_read_ready(clib_file_t *uf)
Definition: init.c:1136
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:173
dpdk_portid_t port_id
Definition: dpdk.h:189
vlib_node_registration_t dpdk_input_node
(constructor) VLIB_REGISTER_NODE (dpdk_input_node)
Definition: node.c:478
dpdk_device_config_t default_devconf
Definition: dpdk.h:295
f64 stat_poll_interval
Definition: dpdk.h:337
static char * vlib_unix_get_runtime_dir(void)
Definition: unix.h:141
static dpdk_port_type_t port_type_from_speed_capa(struct rte_eth_dev_info *dev_info)
Definition: init.c:54
vnet_hw_interface_flags_t flags
Definition: interface.h:537
#define vec_elt_at_index(v, i)
Get vector value at index i checking that i is in bounds.
#define clib_error_return(e, args...)
Definition: error.h:99
u16 rx_q_used
Definition: dpdk.h:184
vlib_pci_addr_t * vlib_pci_get_all_dev_addrs()
Definition: pci.c:1452
clib_file_main_t file_main
Definition: main.c:63
#define vec_resize(V, N)
Resize a vector (no header, unspecified alignment) Add N elements to end of given vector V...
Definition: vec.h:281
unsigned int u32
Definition: types.h:88
void dpdk_device_setup(dpdk_device_t *xd)
Definition: common.c:39
clib_error_t * unformat_rss_fn(unformat_input_t *input, uword *rss_fn)
Definition: format.c:919
#define DPDK_NB_TX_DESC_VIRTIO
Definition: dpdk_priv.h:19
u32 device_index
Definition: dpdk.h:176
struct rte_eth_conf port_conf
Definition: dpdk.h:204
static clib_error_t * dpdk_init(vlib_main_t *vm)
Definition: init.c:1686
u32 max_supported_packet_bytes
Definition: interface.h:576
f64 time_last_stats_update
Definition: dpdk.h:224
vlib_pci_device_info_t * vlib_pci_get_device_info(vlib_main_t *vm, vlib_pci_addr_t *addr, clib_error_t **error)
Definition: pci.c:202
struct rte_eth_txconf tx_conf
Definition: dpdk.h:205
u8 * description
Definition: file.h:70
#define hash_get(h, key)
Definition: hash.h:249
#define clib_bitmap_foreach(i, ai, body)
Macro to iterate across set bits in a bitmap.
Definition: bitmap.h:361
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
Definition: pool.h:534
#define vec_insert(V, N, M)
Insert N vector elements starting at element M, initialize new elements to zero (no header...
Definition: vec.h:755
vlib_pci_addr_t pci_addr
Definition: dpdk.h:249
static clib_error_t * dpdk_config(vlib_main_t *vm, unformat_input_t *input)
Definition: init.c:1167
#define foreach_eal_double_hyphen_arg
Definition: dpdk_priv.h:44
u8 ** eal_init_args
Definition: dpdk.h:274
dpdk_per_thread_data_t * per_thread_data
Definition: dpdk.h:324
clib_error_t * vlib_pci_bind_to_uio(vlib_main_t *vm, vlib_pci_addr_t *addr, char *uio_drv_name)
Definition: pci.c:397
#define foreach_eal_single_hyphen_mandatory_arg
Definition: dpdk_priv.h:35
static dpdk_port_type_t port_type_from_link_speed(u32 link_speed)
Definition: init.c:82
struct _unformat_input_t unformat_input_t
unsigned short u16
Definition: types.h:57
#define clib_error_return_unix(e, args...)
Definition: error.h:102
#define foreach_dpdk_pmd
Definition: dpdk.h:61
vlib_buffer_t buffer_template
Definition: dpdk.h:316
unformat_function_t unformat_vlib_pci_addr
Definition: pci.h:323
#define ELOG_DATA(em, f)
Definition: elog.h:484
#define VIRTIO_PCI_LEGACY_DEVICEID_NET
Definition: pci_config.h:168
dpdk_port_type_t port_type
Definition: dpdk.h:225
#define VLIB_CONFIG_FUNCTION(x, n,...)
Definition: init.h:182
signed char i8
Definition: types.h:45
u16 tx_q_used
Definition: dpdk.h:185
u16 nb_rx_desc
Definition: dpdk.h:195
uint16_t dpdk_portid_t
Definition: dpdk.h:121
#define dpdk_log_info(...)
Definition: dpdk.h:404
clib_error_t * clib_sysfs_read(char *file_name, char *fmt,...)
Definition: sysfs.c:50
clib_error_t * vnet_hw_interface_set_rss_queues(vnet_main_t *vnm, vnet_hw_interface_t *hi, clib_bitmap_t *bitmap)
Definition: interface.c:1696
u32 hw_if_index
Definition: dpdk.h:178
u8 len
Definition: ip_types.api:92
clib_error_t * dpdk_cryptodev_init(vlib_main_t *vm)
Definition: cryptodev.c:1288
void unformat_init_vector(unformat_input_t *input, u8 *vector_string)
Definition: unformat.c:1037
u16 af_packet_instance_num
Definition: dpdk.h:216
#define foreach_eal_single_hyphen_arg
Definition: dpdk_priv.h:39
#define VLIB_REGISTER_NODE(x,...)
Definition: node.h:169
u32 num_crypto_mbufs
Definition: dpdk.h:286
#define DPDK_NB_RX_DESC_DEFAULT
Definition: dpdk_priv.h:16
static int check_l3cache()
Definition: init.c:157
#define UNFORMAT_END_OF_INPUT
Definition: format.h:145
static clib_error_t * dpdk_device_config(dpdk_config_main_t *conf, vlib_pci_addr_t pci_addr, unformat_input_t *input, u8 is_default)
Definition: init.c:1035
dpdk_device_t * devices
Definition: dpdk.h:323
static void dpdk_update_counters(dpdk_device_t *xd, f64 now)
Definition: dpdk_priv.h:95
u8 nchannels_set_manually
Definition: dpdk.h:283
sll srl srl sll sra u16x4 i
Definition: vector_sse42.h:317
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:380
#define dpdk_log_err(...)
Definition: dpdk.h:398
dpdk_device_config_t * dev_confs
Definition: dpdk.h:296
#define clib_warning(format, args...)
Definition: error.h:59
dpdk_pmd_t pmd
Definition: dpdk.h:190
format_function_t format_dpdk_device_errors
Definition: dpdk.h:438
elog_main_t elog_main
Definition: main.h:224
#define ETHERNET_INTERFACE_FLAG_MTU
Definition: ethernet.h:155
#define ETHERNET_INTERFACE_FLAG_ACCEPT_ALL
Definition: ethernet.h:152
u8 coremask_set_manually
Definition: dpdk.h:282
#define ELOG_TYPE_DECLARE(f)
Definition: elog.h:442
format_function_t format_dpdk_rss_hf_name
Definition: dpdk.h:444
static void dpdk_bind_vmbus_devices_to_uio(dpdk_config_main_t *conf)
Definition: init.c:1014
u8 * interface_name_suffix
Definition: dpdk.h:198
uword unformat_vlib_cli_sub_input(unformat_input_t *i, va_list *args)
Definition: cli.c:163
#define hash_create(elts, value_bytes)
Definition: hash.h:696
#define ASSERT(truth)
format_function_t format_dpdk_device_name
Definition: dpdk.h:436
void vnet_hw_interface_assign_rx_thread(vnet_main_t *vnm, u32 hw_if_index, u16 queue_id, uword thread_index)
Definition: devices.c:139
static uword clib_file_add(clib_file_main_t *um, clib_file_t *template)
Definition: file.h:96
vlib_log_class_t log_default
Definition: dpdk.h:348
static uword dpdk_process(vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)
Definition: init.c:1624
Bitmaps built as vectors of machine words.
#define clib_error_report(e)
Definition: error.h:113
#define clib_bitmap_free(v)
Free a bitmap.
Definition: bitmap.h:92
uword clib_mem_get_default_hugepage_size(void)
Definition: mem.c:57
#define DPDK_LINK_POLL_INTERVAL
Definition: dpdk.h:237
dpdk_main_t dpdk_main
Definition: init.c:46
struct rte_eth_link link
Definition: dpdk.h:218
u8 * name
Definition: dpdk.h:197
static vlib_main_t * vlib_get_main(void)
Definition: global_funcs.h:23
vl_api_ip4_address_t hi
Definition: arp.api:37
dpdk_port_type_t
Definition: dpdk.h:99
static int dpdk_port_crc_strip_enabled(dpdk_device_t *xd)
Definition: init.c:147
static uword clib_bitmap_count_set_bits(uword *ai)
Return the number of set bits in a bitmap.
Definition: bitmap.h:462
Definition: defs.h:47
#define DPDK_STATS_POLL_INTERVAL
Definition: dpdk.h:234
vlib_vmbus_addr_t * vlib_vmbus_get_all_dev_addrs()
Definition: vmbus.c:384
unformat_function_t unformat_line
Definition: format.h:280
static vlib_node_registration_t dpdk_process_node
(constructor) VLIB_REGISTER_NODE (dpdk_process_node)
Definition: init.c:1677
clib_error_t * dpdk_buffer_pools_create(vlib_main_t *vm)
Definition: buffer.c:430
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
u8 admin_up_down_in_progress
Definition: dpdk.h:333
clib_error_t * ethernet_register_interface(vnet_main_t *vnm, u32 dev_class_index, u32 dev_instance, const u8 *address, u32 *hw_if_index_return, ethernet_flag_change_function_t flag_change)
Definition: interface.c:331
#define STATIC_ASSERT(truth,...)
clib_error_t * vnet_hw_interface_set_flags(vnet_main_t *vnm, u32 hw_if_index, vnet_hw_interface_flags_t flags)
Definition: interface.c:498
u8 no_tx_checksum_offload
Definition: dpdk.h:279
VLIB buffer representation.
Definition: buffer.h:102
u64 uword
Definition: types.h:112
static void unformat_free(unformat_input_t *i)
Definition: format.h:163
static clib_error_t * dpdk_lib_init(dpdk_main_t *dm)
Definition: init.c:203
#define clib_error_free(e)
Definition: error.h:86
#define DPDK_DEVICE_TSO_ON
Definition: dpdk.h:267
u32 buffer_flags_template
Definition: dpdk.h:327
#define vnet_buffer(b)
Definition: buffer.h:417
static u32 random_u32(u32 *seed)
32-bit random number generator
Definition: random.h:69
u8 * format_unformat_error(u8 *s, va_list *va)
Definition: unformat.c:91
static vlib_thread_main_t * vlib_get_thread_main()
Definition: global_funcs.h:32
#define ETHERNET_MAX_PACKET_BYTES
Definition: ethernet.h:133
#define vec_foreach(var, vec)
Vector iterator.
#define DPDK_DEVICE_TSO_DEFAULT
Definition: dpdk.h:265
i8 cpu_socket
Definition: dpdk.h:191
uword * cpu_socket_bitmap
Definition: threads.h:330
Definition: file.h:51
u8 * uio_driver_name
Definition: dpdk.h:276
vlib_thread_registration_t ** registrations
Definition: threads.h:293
u8 bus
Definition: pci_types.api:21
#define CLIB_CACHE_LINE_BYTES
Definition: cache.h:59
vnet_main_t * vnet_main
Definition: dpdk.h:341
u16 nb_tx_desc
Definition: dpdk.h:194
u16 device_class
Definition: pci.h:72
uword * device_config_index_by_pci_addr
Definition: dpdk.h:297
uword unformat_skip_white_space(unformat_input_t *input)
Definition: unformat.c:821
static uword vnet_hw_interface_is_link_up(vnet_main_t *vnm, u32 hw_if_index)
volatile u32 worker_thread_release
Definition: threads.h:336
#define dpdk_log_notice(...)
Definition: dpdk.h:402
clib_bitmap_t * rss_queues
Definition: dpdk.h:263
static void vnet_hw_interface_set_link_speed(vnet_main_t *vnm, u32 hw_if_index, u32 link_speed)
static void vnet_hw_interface_set_input_node(vnet_main_t *vnm, u32 hw_if_index, u32 node_index)
Definition: devices.h:79
vnet_device_main_t vnet_device_main
Definition: devices.c:22
format_function_t format_vlib_pci_addr
Definition: pci.h:324
vl_api_interface_index_t sw_if_index
Definition: wireguard.api:33
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:978
f64 link_state_poll_interval
Definition: dpdk.h:336
CLIB vectors are ubiquitous dynamically resized arrays with by user defined "headers".
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:171
dpdk_config_main_t * conf
Definition: dpdk.h:342
u32 ethernet_set_flags(vnet_main_t *vnm, u32 hw_if_index, u32 flags)
Definition: interface.c:426
vlib_main_t * vlib_main
Definition: dpdk.h:340