FD.io VPP  v20.01-48-g3e0dafb74
Vector Packet Processing
init.c
Go to the documentation of this file.
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>
27 #include <vlib/pci/pci.h>
28 #include <vlib/vmbus/vmbus.h>
29 
30 #include <rte_ring.h>
31 
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <unistd.h>
35 #include <sys/stat.h>
36 #include <sys/mount.h>
37 #include <string.h>
38 #include <fcntl.h>
39 #include <dirent.h>
40 
41 #include <dpdk/device/dpdk_priv.h>
42 
43 #define ETHER_MAX_LEN 1518 /**< Maximum frame len, including CRC. */
44 
47 
48 #define LINK_STATE_ELOGS 0
49 
50 /* Port configuration, mildly modified Intel app values */
51 
52 static dpdk_port_type_t
53 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
54 {
55 
56  if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
58  else if (dev_info->speed_capa & ETH_LINK_SPEED_56G)
60  else if (dev_info->speed_capa & ETH_LINK_SPEED_50G)
62  else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
64  else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
66  else if (dev_info->speed_capa & ETH_LINK_SPEED_20G)
68  else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
70  else if (dev_info->speed_capa & ETH_LINK_SPEED_5G)
72  else if (dev_info->speed_capa & ETH_LINK_SPEED_2_5G)
74  else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
76 
78 }
79 
80 static dpdk_port_type_t
82 {
83  switch (link_speed)
84  {
85  case ETH_SPEED_NUM_1G:
87  case ETH_SPEED_NUM_2_5G:
89  case ETH_SPEED_NUM_5G:
91  case ETH_SPEED_NUM_10G:
93  case ETH_SPEED_NUM_20G:
95  case ETH_SPEED_NUM_25G:
97  case ETH_SPEED_NUM_40G:
99  case ETH_SPEED_NUM_50G:
101  case ETH_SPEED_NUM_56G:
103  case ETH_SPEED_NUM_100G:
105  default:
107  }
108 }
109 
110 static u32
112 {
113  dpdk_main_t *dm = &dpdk_main;
115  u32 old = 0;
116 
118  {
119  old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
120 
122  xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
123  else
124  xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
125 
126  if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
127  {
128  if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
129  rte_eth_promiscuous_enable (xd->port_id);
130  else
131  rte_eth_promiscuous_disable (xd->port_id);
132  }
133  }
134  else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
135  {
136  xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
137  dpdk_device_setup (xd);
138  }
139  return old;
140 }
141 
142 static void
144 {
145  int q;
146  vec_validate (xd->lockp, xd->tx_q_used - 1);
147  for (q = 0; q < xd->tx_q_used; q++)
148  {
151  clib_memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
152  }
153 }
154 
155 static int
157 {
158  return !(xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC);
159 }
160 
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.
164 */
165 static int
167 {
168 
169  struct dirent *dp;
170  clib_error_t *err;
171  const char *sys_cache_dir = "/sys/devices/system/cpu/cpu0/cache";
172  DIR *dir_cache = opendir (sys_cache_dir);
173 
174  if (dir_cache == NULL)
175  return -1;
176 
177  while ((dp = readdir (dir_cache)) != NULL)
178  {
179  if (dp->d_type == DT_DIR)
180  {
181  u8 *p = NULL;
182  int level_cache = -1;
183 
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);
187 
188  if (level_cache == 3)
189  {
190  closedir (dir_cache);
191  return 1;
192  }
193  }
194  }
195 
196  if (dir_cache != NULL)
197  closedir (dir_cache);
198 
199  return 0;
200 }
201 
202 static void
204 {
205  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
206  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
207  xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
208  DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
209 }
210 
211 static clib_error_t *
213 {
214  u32 nports;
215  u32 mtu, max_rx_frame;
216  int i;
217  clib_error_t *error;
223  dpdk_device_t *xd;
224  vlib_pci_addr_t last_pci_addr;
225  u32 last_pci_addr_port = 0;
227  uword *p_hqos;
228 
229  u32 next_hqos_cpu = 0;
230  u8 af_packet_instance_num = 0;
231  last_pci_addr.as_u32 = ~0;
232 
233  dm->hqos_cpu_first_index = 0;
234  dm->hqos_cpu_count = 0;
235 
236  /* find out which cpus will be used for I/O TX */
237  p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
238  tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
239 
240  if (tr_hqos && tr_hqos->count > 0)
241  {
242  dm->hqos_cpu_first_index = tr_hqos->first_index;
243  dm->hqos_cpu_count = tr_hqos->count;
244  }
245 
248 
249  nports = rte_eth_dev_count_avail ();
250 
251  if (nports < 1)
252  {
253  dpdk_log_notice ("DPDK drivers found no Ethernet devices...");
254  }
255 
256  if (CLIB_DEBUG > 0)
257  dpdk_log_notice ("DPDK drivers found %d ports...", nports);
258 
259  if (dm->conf->enable_tcp_udp_checksum)
260  dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
261  | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
262 
263  /* vlib_buffer_t template */
266  for (i = 0; i < tm->n_vlib_mains; i++)
267  {
269  clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
271  vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
272  }
273 
274  /* *INDENT-OFF* */
275  RTE_ETH_FOREACH_DEV(i)
276  {
277  u8 addr[6];
278  int vlan_off;
279  struct rte_eth_dev_info dev_info;
280  struct rte_pci_device *pci_dev;
281  struct rte_eth_link l;
282  dpdk_portid_t next_port_id;
283  dpdk_device_config_t *devconf = 0;
284  vlib_pci_addr_t pci_addr;
285  uword *p = 0;
286 
287  if (!rte_eth_dev_is_valid_port(i))
288  continue;
289 
290  rte_eth_link_get_nowait (i, &l);
291  rte_eth_dev_info_get (i, &dev_info);
292 
293  if (dev_info.device == 0)
294  {
295  dpdk_log_notice ("DPDK bug: missing device info. Skipping %s device",
296  dev_info.driver_name);
297  continue;
298  }
299 
300  pci_dev = dpdk_get_pci_device (&dev_info);
301 
302  if (pci_dev)
303  {
304  pci_addr.domain = pci_dev->addr.domain;
305  pci_addr.bus = pci_dev->addr.bus;
306  pci_addr.slot = pci_dev->addr.devid;
307  pci_addr.function = pci_dev->addr.function;
309  pci_addr.as_u32);
310  }
311 
312 
313  /* Create vnet interface */
317  xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
318 
319  if (p)
320  {
321  devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
322  xd->name = devconf->name;
323  }
324  else
325  devconf = &dm->conf->default_devconf;
326 
327  /* Handle interface naming for devices with multiple ports sharing same PCI ID */
328  if (pci_dev &&
329  ((next_port_id = rte_eth_find_next (i + 1)) != RTE_MAX_ETHPORTS))
330  {
331  struct rte_eth_dev_info di = { 0 };
332  struct rte_pci_device *next_pci_dev;
333  rte_eth_dev_info_get (next_port_id, &di);
334  next_pci_dev = di.device ? RTE_DEV_TO_PCI (di.device) : 0;
335  if (next_pci_dev &&
336  pci_addr.as_u32 != last_pci_addr.as_u32 &&
337  memcmp (&pci_dev->addr, &next_pci_dev->addr,
338  sizeof (struct rte_pci_addr)) == 0)
339  {
340  xd->interface_name_suffix = format (0, "0");
341  last_pci_addr.as_u32 = pci_addr.as_u32;
342  last_pci_addr_port = i;
343  }
344  else if (pci_addr.as_u32 == last_pci_addr.as_u32)
345  {
347  format (0, "%u", i - last_pci_addr_port);
348  }
349  else
350  {
351  last_pci_addr.as_u32 = ~0;
352  }
353  }
354  else
355  last_pci_addr.as_u32 = ~0;
356 
357  clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
358  sizeof (struct rte_eth_txconf));
359 
360  if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
361  {
362  xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
363  xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
364  }
365 
366  if (dm->conf->no_multi_seg)
367  {
368  xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
369  xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
370  xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
371  }
372  else
373  {
374  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
375  xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
376  xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
377  xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
378  }
379 
380  xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
381 
382  if (devconf->num_tx_queues > 0
383  && devconf->num_tx_queues < xd->tx_q_used)
384  xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
385 
386  if (devconf->num_rx_queues > 1
387  && dev_info.max_rx_queues >= devconf->num_rx_queues)
388  {
389  xd->rx_q_used = devconf->num_rx_queues;
390  xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
391  if (devconf->rss_fn == 0)
392  xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
393  ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
394  else
395  {
396  u64 unsupported_bits;
397  xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
398  unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
399  unsupported_bits &= ~dev_info.flow_type_rss_offloads;
400  if (unsupported_bits)
401  dpdk_log_warn ("Unsupported RSS hash functions: %U",
402  format_dpdk_rss_hf_name, unsupported_bits);
403  }
404  xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
405  dev_info.flow_type_rss_offloads;
406  }
407  else
408  xd->rx_q_used = 1;
409 
410  xd->flags |= DPDK_DEVICE_FLAG_PMD;
411 
412  /* workaround for drivers not setting driver_name */
413  if ((!dev_info.driver_name) && (pci_dev))
414  dev_info.driver_name = pci_dev->driver->driver.name;
415 
416  ASSERT (dev_info.driver_name);
417 
418  if (!xd->pmd)
419  {
420 
421 
422 #define _(s,f) else if (dev_info.driver_name && \
423  !strcmp(dev_info.driver_name, s)) \
424  xd->pmd = VNET_DPDK_PMD_##f;
425  if (0)
426  ;
428 #undef _
429  else
431 
435 
436  switch (xd->pmd)
437  {
438  /* Drivers with valid speed_capa set */
439  case VNET_DPDK_PMD_E1000EM:
440  case VNET_DPDK_PMD_IGB:
441  case VNET_DPDK_PMD_IXGBE:
442  case VNET_DPDK_PMD_I40E:
443  case VNET_DPDK_PMD_ICE:
444  xd->port_type = port_type_from_speed_capa (&dev_info);
445  xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
446  VNET_FLOW_ACTION_REDIRECT_TO_NODE |
447  VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
448  VNET_FLOW_ACTION_BUFFER_ADVANCE |
449  VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
450 
451  if (dm->conf->no_tx_checksum_offload == 0)
452  {
453  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
454  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
455  xd->flags |=
456  DPDK_DEVICE_FLAG_TX_OFFLOAD |
457  DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
458  }
459 
460 
461  break;
462  case VNET_DPDK_PMD_CXGBE:
463  case VNET_DPDK_PMD_MLX4:
464  case VNET_DPDK_PMD_MLX5:
465  case VNET_DPDK_PMD_QEDE:
466  case VNET_DPDK_PMD_BNXT:
467  xd->port_type = port_type_from_speed_capa (&dev_info);
468  break;
469 
470  /* SR-IOV VFs */
471  case VNET_DPDK_PMD_IGBVF:
472  case VNET_DPDK_PMD_IXGBEVF:
473  case VNET_DPDK_PMD_I40EVF:
475  if (dm->conf->no_tx_checksum_offload == 0)
476  {
477  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
478  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
479  xd->flags |=
480  DPDK_DEVICE_FLAG_TX_OFFLOAD |
481  DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
482  }
483  break;
484 
485  case VNET_DPDK_PMD_THUNDERX:
487 
488  if (dm->conf->no_tx_checksum_offload == 0)
489  {
490  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
491  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
492  xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
493  }
494  break;
495 
496  case VNET_DPDK_PMD_ENA:
498  xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
499  break;
500 
501  case VNET_DPDK_PMD_DPAA2:
503  break;
504 
505  /* Cisco VIC */
506  case VNET_DPDK_PMD_ENIC:
507  xd->port_type = port_type_from_link_speed (l.link_speed);
508  if (dm->conf->enable_tcp_udp_checksum)
510  break;
511 
512  /* Intel Red Rock Canyon */
513  case VNET_DPDK_PMD_FM10K:
515  break;
516 
517  /* virtio */
518  case VNET_DPDK_PMD_VIRTIO:
522  break;
523 
524  /* vmxnet3 */
525  case VNET_DPDK_PMD_VMXNET3:
527  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
528  break;
529 
530  case VNET_DPDK_PMD_AF_PACKET:
532  xd->af_packet_instance_num = af_packet_instance_num++;
533  break;
534 
535  case VNET_DPDK_PMD_VIRTIO_USER:
537  break;
538 
539  case VNET_DPDK_PMD_VHOST_ETHER:
541  break;
542 
543  case VNET_DPDK_PMD_LIOVF_ETHER:
545  break;
546 
547  case VNET_DPDK_PMD_FAILSAFE:
549  xd->port_conf.intr_conf.lsc = 1;
550  break;
551 
552  case VNET_DPDK_PMD_NETVSC:
553  xd->port_type = port_type_from_link_speed (l.link_speed);
554  break;
555 
556  default:
558  }
559 
560  if (devconf->num_rx_desc)
561  xd->nb_rx_desc = devconf->num_rx_desc;
562  else {
563 
564  /* If num_rx_desc is not specified by VPP user, the current CPU is working
565  with 2M page and has no L3 cache, default num_rx_desc is changed to 512
566  from original 1024 to help reduce TLB misses.
567  */
568  if ((clib_mem_get_default_hugepage_size () == 2 << 20)
569  && check_l3cache() == 0)
570  xd->nb_rx_desc = 512;
571  }
572 
573  if (devconf->num_tx_desc)
574  xd->nb_tx_desc = devconf->num_tx_desc;
575  else {
576 
577  /* If num_tx_desc is not specified by VPP user, the current CPU is working
578  with 2M page and has no L3 cache, default num_tx_desc is changed to 512
579  from original 1024 to help reduce TLB misses.
580  */
581  if ((clib_mem_get_default_hugepage_size () == 2 << 20)
582  && check_l3cache() == 0)
583  xd->nb_tx_desc = 512;
584  }
585  }
586 
587  if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
588  {
589  f64 now = vlib_time_now (vm);
590  u32 rnd;
591  rnd = (u32) (now * 1e6);
592  rnd = random_u32 (&rnd);
593  clib_memcpy (addr + 2, &rnd, sizeof (rnd));
594  addr[0] = 2;
595  addr[1] = 0xfe;
596  }
597  else
598  rte_eth_macaddr_get (i, (void *) addr);
599 
600  if (xd->tx_q_used < tm->n_vlib_mains)
602 
603  xd->port_id = i;
604  xd->device_index = xd - dm->devices;
605  xd->per_interface_next_index = ~0;
606 
607  /* assign interface to input thread */
608  int q;
609 
610  if (devconf->hqos_enabled)
611  {
612  xd->flags |= DPDK_DEVICE_FLAG_HQOS;
613 
614  int cpu;
615  if (devconf->hqos.hqos_thread_valid)
616  {
617  if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
618  return clib_error_return (0, "invalid HQoS thread index");
619 
620  cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
621  }
622  else
623  {
624  if (dm->hqos_cpu_count == 0)
625  return clib_error_return (0, "no HQoS threads available");
626 
627  cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
628 
629  next_hqos_cpu++;
630  if (next_hqos_cpu == dm->hqos_cpu_count)
631  next_hqos_cpu = 0;
632 
633  devconf->hqos.hqos_thread_valid = 1;
634  devconf->hqos.hqos_thread = cpu;
635  }
636 
638  vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
639  dq->device = xd->device_index;
640  dq->queue_id = 0;
641  }
642 
644  (dm->vnet_main, dpdk_device_class.index, xd->device_index,
645  /* ethernet address */ addr,
647  if (error)
648  return error;
649 
650  /*
651  * Ensure default mtu is not > the mtu read from the hardware.
652  * Otherwise rte_eth_dev_configure() will fail and the port will
653  * not be available.
654  * Calculate max_frame_size and mtu supported by NIC
655  */
656  if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
657  {
658  /*
659  * This device does not support the platforms's max frame
660  * size. Use it's advertised mru instead.
661  */
662  max_rx_frame = dev_info.max_rx_pktlen;
663  mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
664  }
665  else
666  {
667  /* VPP treats MTU and max_rx_pktlen both equal to
668  * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
669  * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
670  */
671  if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
672  sizeof (ethernet_header_t)))
673  {
675  max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
676 
677  /*
678  * Some platforms do not account for Ethernet FCS (4 bytes) in
679  * MTU calculations. To interop with them increase mru but only
680  * if the device's settings can support it.
681  */
682  if (dpdk_port_crc_strip_enabled (xd) &&
683  (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
684  sizeof (ethernet_header_t) +
685  4)))
686  {
687  max_rx_frame += 4;
688  }
689  }
690  else
691  {
692  max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
694 
695  if (dpdk_port_crc_strip_enabled (xd) &&
696  (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
697  {
698  max_rx_frame += 4;
699  }
700  }
701  }
702 
703  if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
704  {
705  /* failsafe device numerables are reported with active device only,
706  * need to query the mtu for current device setup to overwrite
707  * reported value.
708  */
709  uint16_t dev_mtu;
710  if (!rte_eth_dev_get_mtu (i, &dev_mtu))
711  {
712  mtu = dev_mtu;
713  max_rx_frame = mtu + sizeof (ethernet_header_t);
714 
716  {
717  max_rx_frame += 4;
718  }
719  }
720  }
721 
722  /*Set port rxmode config */
723  xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
724 
726  xd->sw_if_index = sw->sw_if_index;
728  dpdk_input_node.index);
729 
730  if (devconf->workers)
731  {
732  int i;
733  q = 0;
734  clib_bitmap_foreach (i, devconf->workers, ({
735  vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
736  vdm->first_worker_thread_index + i);
737  }));
738  }
739  else
740  for (q = 0; q < xd->rx_q_used; q++)
741  {
743  ~1);
744  }
745 
746  /*Get vnet hardware interface */
748 
749  /*Override default max_packet_bytes and max_supported_bytes set in
750  * ethernet_register_interface() above*/
751  if (hi)
752  {
753  hi->max_packet_bytes = mtu;
754  hi->max_supported_packet_bytes = max_rx_frame;
755  hi->numa_node = xd->cpu_socket;
756  }
757 
758  if (dm->conf->no_tx_checksum_offload == 0)
759  if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
761 
762  if (devconf->tso == DPDK_DEVICE_TSO_ON && hi != NULL)
763  {
764  /*tcp_udp checksum must be enabled*/
765  if ((dm->conf->enable_tcp_udp_checksum) &&
767  {
769  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_TSO |
770  DEV_TX_OFFLOAD_UDP_TSO;
771  }
772  else
773  clib_warning ("%s: TCP/UDP checksum offload must be enabled",
774  hi->name);
775  }
776 
777  dpdk_device_setup (xd);
778 
779  if (vec_len (xd->errors))
780  dpdk_log_err ("setup failed for device %U. Errors:\n %U",
783 
784  if (devconf->hqos_enabled)
785  {
786  clib_error_t *rv;
787  rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
788  if (rv)
789  return rv;
790  }
791 
792  /*
793  * A note on Cisco VIC (PMD_ENIC) and VLAN:
794  *
795  * With Cisco VIC vNIC, every ingress packet is tagged. On a
796  * trunk vNIC (C series "standalone" server), packets on no VLAN
797  * are tagged with vlan 0. On an access vNIC (standalone or B
798  * series "blade" server), packets on the default/native VLAN
799  * are tagged with that vNIC's VLAN. VPP expects these packets
800  * to be untagged, and previously enabled VLAN strip on VIC by
801  * default. But it also broke vlan sub-interfaces.
802  *
803  * The VIC adapter has "untag default vlan" ingress VLAN rewrite
804  * mode, which removes tags from these packets. VPP now includes
805  * a local patch for the enic driver to use this untag mode, so
806  * enabling vlan stripping is no longer needed. In future, the
807  * driver + dpdk will have an API to set the mode after
808  * rte_eal_init. Then, this note and local patch will be
809  * removed.
810  */
811 
812  /*
813  * VLAN stripping: default to VLAN strip disabled, unless specified
814  * otherwise in the startup config.
815  */
816 
817  vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
819  {
820  vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
821  if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) >= 0)
822  dpdk_log_info ("VLAN strip enabled for interface\n");
823  else
824  dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
825  xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
826  }
827  else
828  {
829  if (vlan_off & ETH_VLAN_STRIP_OFFLOAD)
830  {
831  vlan_off &= ~ETH_VLAN_STRIP_OFFLOAD;
832  if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) >= 0)
833  dpdk_log_warn ("set VLAN offload failed\n");
834  }
835  xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
836  }
837 
838  if (hi)
839  hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
840  - sizeof (ethernet_header_t);
841  else
842  dpdk_log_warn ("hi NULL");
843 
844  if (dm->conf->no_multi_seg)
845  mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
846 
847  rte_eth_dev_set_mtu (xd->port_id, mtu);
848  }
849  /* *INDENT-ON* */
850 
851  return 0;
852 }
853 
854 static void
856 {
858  clib_error_t *error;
859  u8 *pci_addr = 0;
860  int num_whitelisted = vec_len (conf->dev_confs);
861  vlib_pci_device_info_t *d = 0;
862  vlib_pci_addr_t *addr = 0, *addrs;
863  int i;
864 
865  addrs = vlib_pci_get_all_dev_addrs ();
866  /* *INDENT-OFF* */
867  vec_foreach (addr, addrs)
868  {
869  dpdk_device_config_t * devconf = 0;
870  vec_reset_length (pci_addr);
871  pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
872  if (d)
873  {
875  d = 0;
876  }
877  d = vlib_pci_get_device_info (vm, addr, &error);
878  if (error)
879  {
880  clib_error_report (error);
881  continue;
882  }
883 
885  continue;
886 
887  if (num_whitelisted)
888  {
889  uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
890 
891  if (!p)
892  {
893  skipped:
894  continue;
895  }
896 
897  devconf = pool_elt_at_index (conf->dev_confs, p[0]);
898  }
899 
900  /* Enforce Device blacklist by vendor and device */
901  for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
902  {
903  u16 vendor, device;
904  vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
905  device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
906  if (d->vendor_id == vendor && d->device_id == device)
907  {
908  /*
909  * Expected case: device isn't whitelisted,
910  * so blacklist it...
911  */
912  if (devconf == 0)
913  {
914  /* Device is blacklisted */
915  pool_get (conf->dev_confs, devconf);
916  hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
917  devconf - conf->dev_confs);
918  devconf->pci_addr.as_u32 = addr->as_u32;
919  devconf->is_blacklisted = 1;
920  goto skipped;
921  }
922  else /* explicitly whitelisted, ignore the device blacklist */
923  break;
924  }
925  }
926 
927  /* virtio */
928  if (d->vendor_id == 0x1af4 &&
931  ;
932  /* vmxnet3 */
933  else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
934  {
935  /*
936  * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
937  * the default is to put it in the blacklist.
938  */
939  if (devconf == 0)
940  {
941  pool_get (conf->dev_confs, devconf);
942  hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
943  devconf - conf->dev_confs);
944  devconf->pci_addr.as_u32 = addr->as_u32;
945  devconf->is_blacklisted = 1;
946  }
947  }
948  /* all Intel network devices */
949  else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
950  ;
951  /* all Intel QAT devices VFs */
952  else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
953  (d->device_id == 0x0443 || d->device_id == 0x18a1 || d->device_id == 0x19e3 ||
954  d->device_id == 0x37c9 || d->device_id == 0x6f55))
955  ;
956  /* Cisco VIC */
957  else if (d->vendor_id == 0x1137 &&
958  (d->device_id == 0x0043 || d->device_id == 0x0071))
959  ;
960  /* Chelsio T4/T5 */
961  else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
962  ;
963  /* Amazon Elastic Network Adapter */
964  else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
965  ;
966  /* Cavium Network Adapter */
967  else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
968  ;
969  /* Cavium FastlinQ QL41000 Series */
970  else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
971  ;
972  /* Mellanox mlx4 */
973  else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
974  {
975  continue;
976  }
977  /* Mellanox mlx5 */
978  else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
979  {
980  continue;
981  }
982  /* Broadcom NetXtreme S, and E series only */
983  else if (d->vendor_id == 0x14e4 &&
984  ((d->device_id >= 0x16c0 &&
985  d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
986  d->device_id != 0x16dd && d->device_id != 0x16f7 &&
987  d->device_id != 0x16fd && d->device_id != 0x16fe &&
988  d->device_id != 0x170d && d->device_id != 0x170c &&
989  d->device_id != 0x170e && d->device_id != 0x1712 &&
990  d->device_id != 0x1713) ||
991  (d->device_id == 0x1604 || d->device_id == 0x1605 ||
992  d->device_id == 0x1614 || d->device_id == 0x1606 ||
993  d->device_id == 0x1609 || d->device_id == 0x1614)))
994  ;
995  else
996  {
997  dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
998  "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
999  pci_addr);
1000  continue;
1001  }
1002 
1003  error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
1004 
1005  if (error)
1006  {
1007  if (devconf == 0)
1008  {
1009  pool_get (conf->dev_confs, devconf);
1010  hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
1011  devconf - conf->dev_confs);
1012  devconf->pci_addr.as_u32 = addr->as_u32;
1013  }
1014  devconf->is_blacklisted = 1;
1015  clib_error_report (error);
1016  }
1017  }
1018  /* *INDENT-ON* */
1019  vec_free (pci_addr);
1021 }
1022 
1023 static void
1025 {
1026  clib_error_t *error;
1027  vlib_vmbus_addr_t *addrs, *addr = 0;
1028 
1029  addrs = vlib_vmbus_get_all_dev_addrs ();
1030 
1031  /* *INDENT-OFF* */
1032  vec_foreach (addr, addrs)
1033  {
1034  error = vlib_vmbus_bind_to_uio (addr);
1035 
1036  if (error)
1037  {
1038  clib_error_report (error);
1039  }
1040  }
1041  /* *INDENT-ON* */
1042 }
1043 
1044 static clib_error_t *
1045 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
1046  unformat_input_t * input, u8 is_default)
1047 {
1048  clib_error_t *error = 0;
1049  uword *p;
1050  dpdk_device_config_t *devconf;
1051  unformat_input_t sub_input;
1052 
1053  if (is_default)
1054  {
1055  devconf = &conf->default_devconf;
1056  }
1057  else
1058  {
1059  p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
1060 
1061  if (!p)
1062  {
1063  pool_get (conf->dev_confs, devconf);
1064  hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
1065  devconf - conf->dev_confs);
1066  }
1067  else
1068  return clib_error_return (0,
1069  "duplicate configuration for PCI address %U",
1070  format_vlib_pci_addr, &pci_addr);
1071  }
1072 
1073  devconf->pci_addr.as_u32 = pci_addr.as_u32;
1074  devconf->hqos_enabled = 0;
1075  devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1076 #if 0
1078 #endif
1079 
1080  if (!input)
1081  return 0;
1082 
1083  unformat_skip_white_space (input);
1084  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1085  {
1086  if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1087  ;
1088  else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1089  ;
1090  else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1091  ;
1092  else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1093  ;
1094  else if (unformat (input, "name %s", &devconf->name))
1095  ;
1096  else if (unformat (input, "workers %U", unformat_bitmap_list,
1097  &devconf->workers))
1098  ;
1099  else
1100  if (unformat
1101  (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1102  {
1103  error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1104  if (error)
1105  break;
1106  }
1107  else if (unformat (input, "vlan-strip-offload off"))
1109  else if (unformat (input, "vlan-strip-offload on"))
1111  else
1112  if (unformat
1113  (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
1114  {
1115  devconf->hqos_enabled = 1;
1116  error = unformat_hqos (&sub_input, &devconf->hqos);
1117  if (error)
1118  break;
1119  }
1120  else if (unformat (input, "hqos"))
1121  {
1122  devconf->hqos_enabled = 1;
1123  }
1124  else if (unformat (input, "tso on"))
1125  {
1126  devconf->tso = DPDK_DEVICE_TSO_ON;
1127  }
1128  else if (unformat (input, "tso off"))
1129  {
1130  devconf->tso = DPDK_DEVICE_TSO_OFF;
1131  }
1132  else if (unformat (input, "devargs %s", &devconf->devargs))
1133  ;
1134  else
1135  {
1136  error = clib_error_return (0, "unknown input `%U'",
1137  format_unformat_error, input);
1138  break;
1139  }
1140  }
1141 
1142  if (error)
1143  return error;
1144 
1145  if (devconf->workers && devconf->num_rx_queues == 0)
1146  devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1147  else if (devconf->workers &&
1148  clib_bitmap_count_set_bits (devconf->workers) !=
1149  devconf->num_rx_queues)
1150  error =
1151  clib_error_return (0,
1152  "%U: number of worker threads must be "
1153  "equal to number of rx queues", format_vlib_pci_addr,
1154  &pci_addr);
1155 
1156  return error;
1157 }
1158 
1159 static clib_error_t *
1161 {
1162  unformat_input_t input;
1163  u8 *line, *s = 0;
1164  int n, n_try;
1165 
1166  n = n_try = 4096;
1167  while (n == n_try)
1168  {
1169  uword len = vec_len (s);
1170  vec_resize (s, len + n_try);
1171 
1172  n = read (uf->file_descriptor, s + len, n_try);
1173  if (n < 0 && errno != EAGAIN)
1174  return clib_error_return_unix (0, "read");
1175  _vec_len (s) = len + (n < 0 ? 0 : n);
1176  }
1177 
1178  unformat_init_vector (&input, s);
1179 
1180  while (unformat_user (&input, unformat_line, &line))
1181  {
1182  dpdk_log_notice ("%v", line);
1183  vec_free (line);
1184  }
1185 
1186  unformat_free (&input);
1187  return 0;
1188 }
1189 
1190 static clib_error_t *
1192 {
1193  clib_error_t *error = 0;
1196  dpdk_device_config_t *devconf;
1197  vlib_pci_addr_t pci_addr;
1198  unformat_input_t sub_input;
1199  uword default_hugepage_sz, x;
1200  u8 *s, *tmp = 0;
1201  int ret, i;
1202  int num_whitelisted = 0;
1203  u8 no_pci = 0;
1204  u8 no_vmbus = 0;
1205  u8 file_prefix = 0;
1206  u8 *socket_mem = 0;
1207  u8 *huge_dir_path = 0;
1208  u32 vendor, device;
1209 
1210  huge_dir_path =
1211  format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1212 
1213  conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1214 
1215  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1216  {
1217  /* Prime the pump */
1218  if (unformat (input, "no-hugetlb"))
1219  {
1220  vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1221  }
1222 
1223  else if (unformat (input, "enable-tcp-udp-checksum"))
1224  conf->enable_tcp_udp_checksum = 1;
1225 
1226  else if (unformat (input, "no-tx-checksum-offload"))
1227  conf->no_tx_checksum_offload = 1;
1228 
1229  else if (unformat (input, "decimal-interface-names"))
1231 
1232  else if (unformat (input, "no-multi-seg"))
1233  conf->no_multi_seg = 1;
1234 
1235  else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1236  &sub_input))
1237  {
1238  error =
1239  dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1240  1);
1241 
1242  if (error)
1243  return error;
1244  }
1245  else
1246  if (unformat
1247  (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1248  unformat_vlib_cli_sub_input, &sub_input))
1249  {
1250  error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1251 
1252  if (error)
1253  return error;
1254 
1255  num_whitelisted++;
1256  }
1257  else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1258  {
1259  error = dpdk_device_config (conf, pci_addr, 0, 0);
1260 
1261  if (error)
1262  return error;
1263 
1264  num_whitelisted++;
1265  }
1266  else if (unformat (input, "num-mem-channels %d", &conf->nchannels))
1267  conf->nchannels_set_manually = 0;
1268  else if (unformat (input, "num-crypto-mbufs %d",
1269  &conf->num_crypto_mbufs))
1270  ;
1271  else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1272  ;
1273  else if (unformat (input, "socket-mem %s", &socket_mem))
1274  ;
1275  else if (unformat (input, "no-pci"))
1276  {
1277  no_pci = 1;
1278  tmp = format (0, "--no-pci%c", 0);
1279  vec_add1 (conf->eal_init_args, tmp);
1280  }
1281  else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1282  {
1283  u32 blacklist_entry;
1284  if (vendor > 0xFFFF)
1285  return clib_error_return (0, "blacklist PCI vendor out of range");
1286  if (device > 0xFFFF)
1287  return clib_error_return (0, "blacklist PCI device out of range");
1288  blacklist_entry = (vendor << 16) | (device & 0xffff);
1290  blacklist_entry);
1291  }
1292  else if (unformat (input, "no-vmbus"))
1293  {
1294  no_vmbus = 1;
1295  tmp = format (0, "--no-vmbus%c", 0);
1296  vec_add1 (conf->eal_init_args, tmp);
1297  }
1298 
1299 #define _(a) \
1300  else if (unformat(input, #a)) \
1301  { \
1302  tmp = format (0, "--%s%c", #a, 0); \
1303  vec_add1 (conf->eal_init_args, tmp); \
1304  }
1306 #undef _
1307 #define _(a) \
1308  else if (unformat(input, #a " %s", &s)) \
1309  { \
1310  if (!strncmp(#a, "file-prefix", 11)) \
1311  file_prefix = 1; \
1312  tmp = format (0, "--%s%c", #a, 0); \
1313  vec_add1 (conf->eal_init_args, tmp); \
1314  vec_add1 (s, 0); \
1315  if (!strncmp(#a, "vdev", 4)) \
1316  if (strstr((char*)s, "af_packet")) \
1317  clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1318  vec_add1 (conf->eal_init_args, s); \
1319  }
1321 #undef _
1322 #define _(a,b) \
1323  else if (unformat(input, #a " %s", &s)) \
1324  { \
1325  tmp = format (0, "-%s%c", #b, 0); \
1326  vec_add1 (conf->eal_init_args, tmp); \
1327  vec_add1 (s, 0); \
1328  vec_add1 (conf->eal_init_args, s); \
1329  }
1331 #undef _
1332 #define _(a,b) \
1333  else if (unformat(input, #a " %s", &s)) \
1334  { \
1335  tmp = format (0, "-%s%c", #b, 0); \
1336  vec_add1 (conf->eal_init_args, tmp); \
1337  vec_add1 (s, 0); \
1338  vec_add1 (conf->eal_init_args, s); \
1339  conf->a##_set_manually = 1; \
1340  }
1342 #undef _
1343  else if (unformat (input, "default"))
1344  ;
1345 
1346  else if (unformat_skip_white_space (input))
1347  ;
1348  else
1349  {
1350  error = clib_error_return (0, "unknown input `%U'",
1351  format_unformat_error, input);
1352  goto done;
1353  }
1354  }
1355 
1356  if (!conf->uio_driver_name)
1357  conf->uio_driver_name = format (0, "auto%c", 0);
1358 
1359  default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1360 
1361  /* *INDENT-OFF* */
1363  {
1364  clib_error_t *e;
1365  uword n_pages;
1366  /* preallocate at least 16MB of hugepages per socket,
1367  if more is needed it is up to consumer to preallocate more */
1368  n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1369  n_pages /= default_hugepage_sz;
1370 
1371  if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1372  clib_error_report (e);
1373  }));
1374  /* *INDENT-ON* */
1375 
1376  if (!file_prefix)
1377  {
1378  tmp = format (0, "--file-prefix%c", 0);
1379  vec_add1 (conf->eal_init_args, tmp);
1380  tmp = format (0, "vpp%c", 0);
1381  vec_add1 (conf->eal_init_args, tmp);
1382  }
1383 
1384  if (error)
1385  return error;
1386 
1387  /* I'll bet that -c and -n must be the first and second args... */
1388  if (!conf->coremask_set_manually)
1389  {
1391  uword *coremask = 0;
1392  int i;
1393 
1394  /* main thread core */
1395  coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1396 
1397  for (i = 0; i < vec_len (tm->registrations); i++)
1398  {
1399  tr = tm->registrations[i];
1400  coremask = clib_bitmap_or (coremask, tr->coremask);
1401  }
1402 
1403  vec_insert (conf->eal_init_args, 2, 1);
1404  conf->eal_init_args[1] = (u8 *) "-c";
1405  tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1406  conf->eal_init_args[2] = tmp;
1407  clib_bitmap_free (coremask);
1408  }
1409 
1410  if (!conf->nchannels_set_manually)
1411  {
1412  vec_insert (conf->eal_init_args, 2, 3);
1413  conf->eal_init_args[3] = (u8 *) "-n";
1414  tmp = format (0, "%d", conf->nchannels);
1415  vec_terminate_c_string (tmp);
1416  conf->eal_init_args[4] = tmp;
1417  }
1418 
1419  if (no_pci == 0 && geteuid () == 0)
1420  dpdk_bind_devices_to_uio (conf);
1421 
1422  if (no_vmbus == 0 && geteuid () == 0)
1424 
1425 #define _(x) \
1426  if (devconf->x == 0 && conf->default_devconf.x > 0) \
1427  devconf->x = conf->default_devconf.x ;
1428 
1429  /* *INDENT-OFF* */
1430  pool_foreach (devconf, conf->dev_confs, ({
1431 
1432  /* default per-device config items */
1433  foreach_dpdk_device_config_item
1434 
1435  /* copy vlan_strip config from default device */
1436  if (devconf->vlan_strip_offload == 0 &&
1437  conf->default_devconf.vlan_strip_offload > 0)
1438  devconf->vlan_strip_offload =
1439  conf->default_devconf.vlan_strip_offload;
1440 
1441  /* copy tso config from default device */
1442  _(tso)
1443 
1444  /* copy tso config from default device */
1445  _(devargs)
1446 
1447  /* add DPDK EAL whitelist/blacklist entry */
1448  if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1449  {
1450  tmp = format (0, "-w%c", 0);
1451  vec_add1 (conf->eal_init_args, tmp);
1452  if (devconf->devargs)
1453  {
1454  tmp = format (0, "%U,%s", format_vlib_pci_addr, &devconf->pci_addr, devconf->devargs, 0);
1455  }
1456  else
1457  {
1458  tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1459  }
1460  vec_add1 (conf->eal_init_args, tmp);
1461  }
1462  else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1463  {
1464  tmp = format (0, "-b%c", 0);
1465  vec_add1 (conf->eal_init_args, tmp);
1466  tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1467  vec_add1 (conf->eal_init_args, tmp);
1468  }
1469  }));
1470  /* *INDENT-ON* */
1471 
1472 #undef _
1473 
1474  /* set master-lcore */
1475  tmp = format (0, "--master-lcore%c", 0);
1476  vec_add1 (conf->eal_init_args, tmp);
1477  tmp = format (0, "%u%c", tm->main_lcore, 0);
1478  vec_add1 (conf->eal_init_args, tmp);
1479 
1480 
1481  if (socket_mem)
1482  clib_warning ("socket-mem argument is deprecated");
1483 
1484  /* NULL terminate the "argv" vector, in case of stupidity */
1485  vec_add1 (conf->eal_init_args, 0);
1486  _vec_len (conf->eal_init_args) -= 1;
1487 
1488  /* Set up DPDK eal and packet mbuf pool early. */
1489 
1490  int log_fds[2] = { 0 };
1491  if (pipe (log_fds) == 0)
1492  {
1493  if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1494  {
1495  FILE *f = fdopen (log_fds[1], "a");
1496  if (f && rte_openlog_stream (f) == 0)
1497  {
1498  clib_file_t t = { 0 };
1500  t.file_descriptor = log_fds[0];
1501  t.description = format (0, "DPDK logging pipe");
1502  clib_file_add (&file_main, &t);
1503  }
1504  }
1505  else
1506  {
1507  close (log_fds[0]);
1508  close (log_fds[1]);
1509  }
1510  }
1511 
1512  vm = vlib_get_main ();
1513 
1514  /* make copy of args as rte_eal_init tends to mess up with arg array */
1515  for (i = 1; i < vec_len (conf->eal_init_args); i++)
1516  conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1517  conf->eal_init_args[i]);
1518 
1519  vec_terminate_c_string (conf->eal_init_args_str);
1520 
1521  dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1522  ret = rte_eal_init (vec_len (conf->eal_init_args),
1523  (char **) conf->eal_init_args);
1524 
1525  /* lazy umount hugepages */
1526  umount2 ((char *) huge_dir_path, MNT_DETACH);
1527  rmdir ((char *) huge_dir_path);
1528  vec_free (huge_dir_path);
1529 
1530  if (ret < 0)
1531  return clib_error_return (0, "rte_eal_init returned %d", ret);
1532 
1533  /* main thread 1st */
1534  if ((error = dpdk_buffer_pools_create (vm)))
1535  return error;
1536 
1537 done:
1538  return error;
1539 }
1540 
1542 
1543 void
1545 {
1546  vnet_main_t *vnm = vnet_get_main ();
1547  struct rte_eth_link prev_link = xd->link;
1548  u32 hw_flags = 0;
1549  u8 hw_flags_chg = 0;
1550 
1551  /* only update link state for PMD interfaces */
1552  if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1553  return;
1554 
1555  xd->time_last_link_update = now ? now : xd->time_last_link_update;
1556  clib_memset (&xd->link, 0, sizeof (xd->link));
1557  rte_eth_link_get_nowait (xd->port_id, &xd->link);
1558 
1559  if (LINK_STATE_ELOGS)
1560  {
1562  ELOG_TYPE_DECLARE (e) =
1563  {
1564  .format =
1565  "update-link-state: sw_if_index %d, admin_up %d,"
1566  "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1567 
1568  struct
1569  {
1570  u32 sw_if_index;
1571  u8 admin_up;
1572  u8 old_link_state;
1573  u8 new_link_state;
1574  } *ed;
1575  ed = ELOG_DATA (&vm->elog_main, e);
1576  ed->sw_if_index = xd->sw_if_index;
1577  ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1578  ed->old_link_state = (u8)
1580  ed->new_link_state = (u8) xd->link.link_status;
1581  }
1582 
1583  if ((xd->link.link_duplex != prev_link.link_duplex))
1584  {
1585  hw_flags_chg = 1;
1586  switch (xd->link.link_duplex)
1587  {
1588  case ETH_LINK_HALF_DUPLEX:
1590  break;
1591  case ETH_LINK_FULL_DUPLEX:
1593  break;
1594  default:
1595  break;
1596  }
1597  }
1598  if (xd->link.link_speed != prev_link.link_speed)
1600  xd->link.link_speed * 1000);
1601 
1602  if (xd->link.link_status != prev_link.link_status)
1603  {
1604  hw_flags_chg = 1;
1605 
1606  if (xd->link.link_status)
1607  hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1608  }
1609 
1610  if (hw_flags_chg)
1611  {
1612  if (LINK_STATE_ELOGS)
1613  {
1615 
1616  ELOG_TYPE_DECLARE (e) =
1617  {
1618  .format =
1619  "update-link-state: sw_if_index %d, new flags %d",.format_args
1620  = "i4i4",};
1621 
1622  struct
1623  {
1624  u32 sw_if_index;
1625  u32 flags;
1626  } *ed;
1627  ed = ELOG_DATA (&vm->elog_main, e);
1628  ed->sw_if_index = xd->sw_if_index;
1629  ed->flags = hw_flags;
1630  }
1631  vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1632  }
1633 }
1634 
1635 static uword
1637 {
1638  clib_error_t *error;
1639  dpdk_main_t *dm = &dpdk_main;
1640  dpdk_device_t *xd;
1642 
1643  error = dpdk_lib_init (dm);
1644 
1645  if (error)
1646  clib_error_report (error);
1647 
1648  tm->worker_thread_release = 1;
1649 
1650  f64 now = vlib_time_now (vm);
1651  vec_foreach (xd, dm->devices)
1652  {
1653  dpdk_update_link_state (xd, now);
1654  }
1655 
1656  while (1)
1657  {
1658  /*
1659  * check each time through the loop in case intervals are changed
1660  */
1661  f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1663 
1664  vlib_process_wait_for_event_or_clock (vm, min_wait);
1665 
1666  if (dm->admin_up_down_in_progress)
1667  /* skip the poll if an admin up down is in progress (on any interface) */
1668  continue;
1669 
1670  vec_foreach (xd, dm->devices)
1671  {
1672  f64 now = vlib_time_now (vm);
1673  if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1674  dpdk_update_counters (xd, now);
1675  if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1676  dpdk_update_link_state (xd, now);
1677 
1678  }
1679  }
1680 
1681  return 0;
1682 }
1683 
1684 /* *INDENT-OFF* */
1686  .function = dpdk_process,
1687  .type = VLIB_NODE_TYPE_PROCESS,
1688  .name = "dpdk-process",
1689  .process_log2_n_stack_bytes = 17,
1690 };
1691 /* *INDENT-ON* */
1692 
1693 static clib_error_t *
1695 {
1696  dpdk_main_t *dm = &dpdk_main;
1697  clib_error_t *error = 0;
1698 
1699  /* verify that structs are cacheline aligned */
1700  STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1701  "Cache line marker must be 1st element in dpdk_device_t");
1702  STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1704  "Data in cache line 0 is bigger than cache line size");
1705  STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1706  "Cache line marker must be 1st element in frame_queue_trace_t");
1707  STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1708  "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1709 
1710  dpdk_cli_reference ();
1711 
1712  dm->vlib_main = vm;
1713  dm->vnet_main = vnet_get_main ();
1714  dm->conf = &dpdk_config_main;
1715 
1716  dm->conf->nchannels = 4;
1717  vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1718  vec_add1 (dm->conf->eal_init_args, (u8 *) "--in-memory");
1719 
1720  /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1721  dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID |
1722  VLIB_BUFFER_EXT_HDR_VALID |
1723  VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1724  VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
1725 
1728 
1729  dm->log_default = vlib_log_register_class ("dpdk", 0);
1730 
1731  return error;
1732 }
1733 
1735 
1736 /*
1737  * fd.io coding-style-patch-verification: ON
1738  *
1739  * Local Variables:
1740  * eval: (c-set-style "gnu")
1741  * End:
1742  */
vlib_log_class_t vlib_log_register_class(char *class, char *subclass)
Definition: log.c:176
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:440
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:855
f64 time_last_link_update
Definition: dpdk.h:246
#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:203
#define clib_min(x, y)
Definition: clib.h:295
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:673
u8 interface_name_format_decimal
Definition: dpdk.h:368
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:202
#define DPDK_DEVICE_VLAN_STRIP_OFF
Definition: dpdk.h:329
#define NULL
Definition: clib.h:58
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
static f64 vlib_time_now(vlib_main_t *vm)
Definition: main.h:279
#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:573
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:111
struct rte_pci_device * dpdk_get_pci_device(const struct rte_eth_dev_info *info)
Definition: common.c:247
void dpdk_update_link_state(dpdk_device_t *xd, f64 now)
Definition: init.c:1544
u16 flags
Definition: dpdk.h:210
static vnet_hw_interface_t * vnet_get_hw_interface(vnet_main_t *vnm, u32 hw_if_index)
#define LINK_STATE_ELOGS
Definition: init.c:48
#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:1017
#define vec_add1(V, E)
Add 1 element to end of vector (unspecified alignment).
Definition: vec.h:523
dpdk_device_and_queue_t ** devices_by_hqos_cpu
Definition: dpdk.h:400
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:258
#define vec_add2(V, P, N)
Add N elements to end of vector V, return pointer to new elements in P.
Definition: vec.h:561
int i
u32 per_interface_next_index
Definition: dpdk.h:205
u8 enable_tcp_udp_checksum
Definition: dpdk.h:354
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:330
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:424
#define DPDK_NB_TX_DESC_DEFAULT
Definition: dpdk_priv.h:17
u32 supported_flow_actions
Definition: dpdk.h:231
#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:451
dpdk_device_config_hqos_t hqos
Definition: dpdk.h:337
#define DPDK_DEVICE_TSO_OFF
Definition: dpdk.h:342
#define pool_get(P, E)
Allocate an object E from a pool P (unspecified alignment).
Definition: pool.h:237
vhost_vring_addr_t addr
Definition: vhost_user.h:147
u32 * blacklist_by_pci_vendor_and_device
Definition: dpdk.h:376
unsigned char u8
Definition: types.h:56
dpdk_config_main_t dpdk_config_main
Definition: init.c:46
#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:43
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:335
#define dpdk_log_warn(...)
Definition: dpdk.h:482
#define pool_foreach(VAR, POOL, BODY)
Iterate through pool.
Definition: pool.h:498
vl_api_interface_index_t sw_if_index
Definition: gre.api:59
static clib_error_t * dpdk_log_read_ready(clib_file_t *uf)
Definition: init.c:1160
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:173
dpdk_portid_t port_id
Definition: dpdk.h:199
vlib_node_registration_t dpdk_input_node
(constructor) VLIB_REGISTER_NODE (dpdk_input_node)
Definition: node.c:477
dpdk_device_config_t default_devconf
Definition: dpdk.h:371
f64 stat_poll_interval
Definition: dpdk.h:418
static char * vlib_unix_get_runtime_dir(void)
Definition: unix.h:139
static dpdk_port_type_t port_type_from_speed_capa(struct rte_eth_dev_info *dev_info)
Definition: init.c:53
vnet_hw_interface_flags_t flags
Definition: interface.h:523
#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:223
vlib_pci_addr_t * vlib_pci_get_all_dev_addrs()
Definition: pci.c:1429
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:243
unsigned int u32
Definition: types.h:88
void dpdk_device_setup(dpdk_device_t *xd)
Definition: common.c:40
clib_error_t * unformat_rss_fn(unformat_input_t *input, uword *rss_fn)
Definition: format.c:894
#define DPDK_NB_TX_DESC_VIRTIO
Definition: dpdk_priv.h:19
struct rte_eth_conf port_conf
Definition: dpdk.h:227
static clib_error_t * dpdk_init(vlib_main_t *vm)
Definition: init.c:1694
u32 max_supported_packet_bytes
Definition: interface.h:562
f64 time_last_stats_update
Definition: dpdk.h:251
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
void dpdk_cli_reference(void)
Definition: cli.c:1746
struct rte_eth_txconf tx_conf
Definition: dpdk.h:228
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:519
#define vec_insert(V, N, M)
Insert N vector elements starting at element M, initialize new elements to zero (no header...
Definition: vec.h:686
vlib_pci_addr_t pci_addr
Definition: dpdk.h:324
static clib_error_t * dpdk_config(vlib_main_t *vm, unformat_input_t *input)
Definition: init.c:1191
#define foreach_eal_double_hyphen_arg
Definition: dpdk_priv.h:45
#define ETHERNET_INTERFACE_FLAG_CONFIG_MTU(flags)
Definition: ethernet.h:147
u8 ** eal_init_args
Definition: dpdk.h:350
dpdk_per_thread_data_t * per_thread_data
Definition: dpdk.h:401
clib_error_t * vlib_pci_bind_to_uio(vlib_main_t *vm, vlib_pci_addr_t *addr, char *uio_drv_name)
Definition: pci.c:385
#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:81
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:392
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:252
#define VLIB_CONFIG_FUNCTION(x, n,...)
Definition: init.h:182
signed char i8
Definition: types.h:45
u16 tx_q_used
Definition: dpdk.h:222
u16 nb_rx_desc
Definition: dpdk.h:224
uint16_t dpdk_portid_t
Definition: dpdk.h:120
#define dpdk_log_info(...)
Definition: dpdk.h:486
clib_error_t * clib_sysfs_read(char *file_name, char *fmt,...)
Definition: sysfs.c:50
vlib_main_t * vm
Definition: in2out_ed.c:1810
u32 hw_if_index
Definition: dpdk.h:201
u8 len
Definition: ip_types.api:91
void unformat_init_vector(unformat_input_t *input, u8 *vector_string)
Definition: unformat.c:1037
u16 af_packet_instance_num
Definition: dpdk.h:243
#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:362
#define DPDK_NB_RX_DESC_DEFAULT
Definition: dpdk_priv.h:16
static int check_l3cache()
Definition: init.c:166
#define UNFORMAT_END_OF_INPUT
Definition: format.h:145
u32 flags
Definition: vhost_user.h:141
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:1045
dpdk_device_t * devices
Definition: dpdk.h:399
static void dpdk_update_counters(dpdk_device_t *xd, f64 now)
Definition: dpdk_priv.h:77
u8 nchannels_set_manually
Definition: dpdk.h:359
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:342
#define dpdk_log_err(...)
Definition: dpdk.h:480
volatile u32 ** lockp
Definition: dpdk.h:193
dpdk_device_config_t * dev_confs
Definition: dpdk.h:372
#define clib_warning(format, args...)
Definition: error.h:59
dpdk_pmd_t pmd
Definition: dpdk.h:207
format_function_t format_dpdk_device_errors
Definition: dpdk.h:493
elog_main_t elog_main
Definition: main.h:193
#define ETHERNET_INTERFACE_FLAG_ACCEPT_ALL
Definition: ethernet.h:141
u8 coremask_set_manually
Definition: dpdk.h:358
#define ELOG_TYPE_DECLARE(f)
Definition: elog.h:442
static void dpdk_device_lock_init(dpdk_device_t *xd)
Definition: init.c:143
format_function_t format_dpdk_rss_hf_name
Definition: dpdk.h:499
static void dpdk_bind_vmbus_devices_to_uio(dpdk_config_main_t *conf)
Definition: init.c:1024
u8 * interface_name_suffix
Definition: dpdk.h:216
#define hash_create(elts, value_bytes)
Definition: hash.h:696
#define ASSERT(truth)
format_function_t format_dpdk_device_name
Definition: dpdk.h:491
int hqos_cpu_count
Definition: dpdk.h:414
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
clib_error_t * dpdk_port_setup_hqos(dpdk_device_t *xd, dpdk_device_config_hqos_t *hqos)
Definition: hqos.c:247
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:429
static uword dpdk_process(vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)
Definition: init.c:1636
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:264
dpdk_main_t dpdk_main
Definition: init.c:45
uword * thread_registrations_by_name
Definition: threads.h:294
dpdk_portid_t device_index
Definition: dpdk.h:196
struct rte_eth_link link
Definition: dpdk.h:245
u8 * name
Definition: dpdk.h:215
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:98
static int dpdk_port_crc_strip_enabled(dpdk_device_t *xd)
Definition: init.c:156
static uword clib_bitmap_count_set_bits(uword *ai)
Return the number of set bits in a bitmap.
Definition: bitmap.h:462
void dpdk_device_config_hqos_default(dpdk_device_config_hqos_t *hqos)
Definition: hqos.c:205
Definition: defs.h:47
#define DPDK_STATS_POLL_INTERVAL
Definition: dpdk.h:261
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:1685
clib_error_t * dpdk_buffer_pools_create(vlib_main_t *vm)
Definition: buffer.c:429
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
uword unformat_vlib_cli_sub_input(unformat_input_t *i, va_list *args)
Definition: cli.c:162
u8 admin_up_down_in_progress
Definition: dpdk.h:410
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:492
u8 no_tx_checksum_offload
Definition: dpdk.h:355
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:212
#define clib_error_free(e)
Definition: error.h:86
#define hash_get_mem(h, key)
Definition: hash.h:269
#define DPDK_DEVICE_TSO_ON
Definition: dpdk.h:343
u32 buffer_flags_template
Definition: dpdk.h:404
static void * clib_mem_alloc_aligned(uword size, uword align)
Definition: mem.h:161
#define vnet_buffer(b)
Definition: buffer.h:408
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
int hqos_cpu_first_index
Definition: dpdk.h:413
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:341
i8 cpu_socket
Definition: dpdk.h:208
#define ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC(flags)
Definition: ethernet.h:142
uword * cpu_socket_bitmap
Definition: threads.h:329
Definition: file.h:51
u8 * uio_driver_name
Definition: dpdk.h:352
vlib_thread_registration_t ** registrations
Definition: threads.h:292
#define CLIB_CACHE_LINE_BYTES
Definition: cache.h:59
vnet_main_t * vnet_main
Definition: dpdk.h:422
u16 nb_tx_desc
Definition: dpdk.h:212
clib_error_t * unformat_hqos(unformat_input_t *input, dpdk_device_config_hqos_t *hqos)
Definition: format.c:917
u16 device_class
Definition: pci.h:72
uword * device_config_index_by_pci_addr
Definition: dpdk.h:373
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:335
#define dpdk_log_notice(...)
Definition: dpdk.h:484
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
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:978
f64 link_state_poll_interval
Definition: dpdk.h:417
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:423
vlib_main_t * vlib_main
Definition: dpdk.h:421