FD.io VPP  v20.05.1-6-gf53edbc3b
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 void
148 {
149  int q;
150  vec_validate (xd->lockp, xd->tx_q_used - 1);
151  for (q = 0; q < xd->tx_q_used; q++)
152  {
155  clib_memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
156  }
157 }
158 
159 static int
161 {
162  return !(xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC);
163 }
164 
165 /* The function check_l3cache helps check if Level 3 cache exists or not on current CPUs
166  return value 1: exist.
167  return value 0: not exist.
168 */
169 static int
171 {
172 
173  struct dirent *dp;
174  clib_error_t *err;
175  const char *sys_cache_dir = "/sys/devices/system/cpu/cpu0/cache";
176  DIR *dir_cache = opendir (sys_cache_dir);
177 
178  if (dir_cache == NULL)
179  return -1;
180 
181  while ((dp = readdir (dir_cache)) != NULL)
182  {
183  if (dp->d_type == DT_DIR)
184  {
185  u8 *p = NULL;
186  int level_cache = -1;
187 
188  p = format (p, "%s/%s/%s%c", sys_cache_dir, dp->d_name, "level", 0);
189  if ((err = clib_sysfs_read ((char *) p, "%d", &level_cache)))
190  clib_error_free (err);
191 
192  if (level_cache == 3)
193  {
194  closedir (dir_cache);
195  return 1;
196  }
197  }
198  }
199 
200  if (dir_cache != NULL)
201  closedir (dir_cache);
202 
203  return 0;
204 }
205 
206 static void
208 {
209  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
210  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
211  xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
212  DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
213 }
214 
215 static clib_error_t *
217 {
218  u32 nports;
219  u32 mtu, max_rx_frame;
220  int i;
221  clib_error_t *error;
227  dpdk_device_t *xd;
228  vlib_pci_addr_t last_pci_addr;
229  u32 last_pci_addr_port = 0;
230  u8 af_packet_instance_num = 0;
231  last_pci_addr.as_u32 = ~0;
232 
233  nports = rte_eth_dev_count_avail ();
234 
235  if (nports < 1)
236  {
237  dpdk_log_notice ("DPDK drivers found no Ethernet devices...");
238  }
239 
240  if (CLIB_DEBUG > 0)
241  dpdk_log_notice ("DPDK drivers found %d ports...", nports);
242 
243  if (dm->conf->enable_tcp_udp_checksum)
244  dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
245  | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
246 
247  /* vlib_buffer_t template */
250  for (i = 0; i < tm->n_vlib_mains; i++)
251  {
253  clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
255  vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
256  }
257 
258  /* *INDENT-OFF* */
259  RTE_ETH_FOREACH_DEV(i)
260  {
261  u8 addr[6];
262  int vlan_off;
263  struct rte_eth_dev_info dev_info;
264  struct rte_pci_device *pci_dev;
265  struct rte_eth_link l;
266  dpdk_portid_t next_port_id;
267  dpdk_device_config_t *devconf = 0;
268  vlib_pci_addr_t pci_addr;
269  uword *p = 0;
270 
271  if (!rte_eth_dev_is_valid_port(i))
272  continue;
273 
274  rte_eth_link_get_nowait (i, &l);
275  rte_eth_dev_info_get (i, &dev_info);
276 
277  if (dev_info.device == 0)
278  {
279  dpdk_log_notice ("DPDK bug: missing device info. Skipping %s device",
280  dev_info.driver_name);
281  continue;
282  }
283 
284  pci_dev = dpdk_get_pci_device (&dev_info);
285 
286  if (pci_dev)
287  {
288  pci_addr.domain = pci_dev->addr.domain;
289  pci_addr.bus = pci_dev->addr.bus;
290  pci_addr.slot = pci_dev->addr.devid;
291  pci_addr.function = pci_dev->addr.function;
293  pci_addr.as_u32);
294  }
295 
296 
297  /* Create vnet interface */
301  xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
302 
303  if (p)
304  {
305  devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
306  xd->name = devconf->name;
307  }
308  else
309  devconf = &dm->conf->default_devconf;
310 
311  /* Handle representor devices that share the same PCI ID */
312  if (dev_info.switch_info.domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
313  {
314  if (dev_info.switch_info.port_id != (uint16_t)-1)
315  xd->interface_name_suffix = format (0, "%d", dev_info.switch_info.port_id);
316  }
317  /* Handle interface naming for devices with multiple ports sharing same PCI ID */
318  else if (pci_dev &&
319  ((next_port_id = rte_eth_find_next (i + 1)) != RTE_MAX_ETHPORTS))
320  {
321  struct rte_eth_dev_info di = { 0 };
322  struct rte_pci_device *next_pci_dev;
323  rte_eth_dev_info_get (next_port_id, &di);
324  next_pci_dev = di.device ? RTE_DEV_TO_PCI (di.device) : 0;
325  if (next_pci_dev &&
326  pci_addr.as_u32 != last_pci_addr.as_u32 &&
327  memcmp (&pci_dev->addr, &next_pci_dev->addr,
328  sizeof (struct rte_pci_addr)) == 0)
329  {
330  xd->interface_name_suffix = format (0, "0");
331  last_pci_addr.as_u32 = pci_addr.as_u32;
332  last_pci_addr_port = i;
333  }
334  else if (pci_addr.as_u32 == last_pci_addr.as_u32)
335  {
337  format (0, "%u", i - last_pci_addr_port);
338  }
339  else
340  {
341  last_pci_addr.as_u32 = ~0;
342  }
343  }
344  else
345  last_pci_addr.as_u32 = ~0;
346 
347  clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
348  sizeof (struct rte_eth_txconf));
349 
350  if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
351  {
352  xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
353  xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
354  }
355 
356  if (dm->conf->enable_tcp_udp_checksum)
357  {
358  if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_UDP_CKSUM)
359  xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_UDP_CKSUM;
360  if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TCP_CKSUM)
361  xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_CKSUM;
362  }
363 
364  if (dm->conf->no_multi_seg)
365  {
366  xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
367  xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
368  xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
369  }
370  else
371  {
372  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
373  xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
374  xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
375  xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
376  }
377 
378  xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
379 
380  if (devconf->num_tx_queues > 0
381  && devconf->num_tx_queues < xd->tx_q_used)
382  xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
383 
384  if (devconf->num_rx_queues > 1
385  && dev_info.max_rx_queues >= devconf->num_rx_queues)
386  {
387  xd->rx_q_used = devconf->num_rx_queues;
388  xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
389  if (devconf->rss_fn == 0)
390  xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
391  ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
392  else
393  {
394  u64 unsupported_bits;
395  xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
396  unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
397  unsupported_bits &= ~dev_info.flow_type_rss_offloads;
398  if (unsupported_bits)
399  dpdk_log_warn ("Unsupported RSS hash functions: %U",
400  format_dpdk_rss_hf_name, unsupported_bits);
401  }
402  xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
403  dev_info.flow_type_rss_offloads;
404  }
405  else
406  xd->rx_q_used = 1;
407 
408  xd->flags |= DPDK_DEVICE_FLAG_PMD;
409 
410  /* workaround for drivers not setting driver_name */
411  if ((!dev_info.driver_name) && (pci_dev))
412  dev_info.driver_name = pci_dev->driver->driver.name;
413 
414  ASSERT (dev_info.driver_name);
415 
416  if (!xd->pmd)
417  {
418 
419 
420 #define _(s,f) else if (dev_info.driver_name && \
421  !strcmp(dev_info.driver_name, s)) \
422  xd->pmd = VNET_DPDK_PMD_##f;
423  if (0)
424  ;
426 #undef _
427  else
429 
433 
434  switch (xd->pmd)
435  {
436  /* Drivers with valid speed_capa set */
437  case VNET_DPDK_PMD_E1000EM:
438  case VNET_DPDK_PMD_IGB:
439  case VNET_DPDK_PMD_IXGBE:
440  case VNET_DPDK_PMD_I40E:
441  case VNET_DPDK_PMD_ICE:
442  xd->port_type = port_type_from_speed_capa (&dev_info);
443  xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
444  VNET_FLOW_ACTION_REDIRECT_TO_NODE |
445  VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
446  VNET_FLOW_ACTION_BUFFER_ADVANCE |
447  VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP |
448  VNET_FLOW_ACTION_RSS;
449 
450  if (dm->conf->no_tx_checksum_offload == 0)
451  {
452  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
453  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
454  xd->flags |=
455  DPDK_DEVICE_FLAG_TX_OFFLOAD |
456  DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
457  }
458 
459 
460  break;
461  case VNET_DPDK_PMD_CXGBE:
462  case VNET_DPDK_PMD_MLX4:
463  case VNET_DPDK_PMD_MLX5:
464  case VNET_DPDK_PMD_QEDE:
465  case VNET_DPDK_PMD_BNXT:
466  xd->port_type = port_type_from_speed_capa (&dev_info);
467  break;
468 
469  /* SR-IOV VFs */
470  case VNET_DPDK_PMD_IGBVF:
471  case VNET_DPDK_PMD_IXGBEVF:
472  case VNET_DPDK_PMD_I40EVF:
474  if (dm->conf->no_tx_checksum_offload == 0)
475  {
476  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
477  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
478  xd->flags |=
479  DPDK_DEVICE_FLAG_TX_OFFLOAD |
480  DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
481  }
482  break;
483 
484  /* iAVF */
485  case VNET_DPDK_PMD_IAVF:
487  xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
488  VNET_FLOW_ACTION_REDIRECT_TO_NODE |
489  VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
490  VNET_FLOW_ACTION_BUFFER_ADVANCE |
491  VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
492 
493  if (dm->conf->no_tx_checksum_offload == 0)
494  {
495  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
496  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
497  xd->flags |=
498  DPDK_DEVICE_FLAG_TX_OFFLOAD |
499  DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
500  }
501  break;
502 
503  case VNET_DPDK_PMD_THUNDERX:
505 
506  if (dm->conf->no_tx_checksum_offload == 0)
507  {
508  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
509  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
510  xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
511  }
512  break;
513 
514  case VNET_DPDK_PMD_ENA:
516  xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
517  break;
518 
519  case VNET_DPDK_PMD_DPAA2:
521  break;
522 
523  /* Cisco VIC */
524  case VNET_DPDK_PMD_ENIC:
525  xd->port_type = port_type_from_link_speed (l.link_speed);
526  if (dm->conf->enable_tcp_udp_checksum)
528  break;
529 
530  /* Intel Red Rock Canyon */
531  case VNET_DPDK_PMD_FM10K:
533  break;
534 
535  /* virtio */
536  case VNET_DPDK_PMD_VIRTIO:
537  xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_NONE;
541  break;
542 
543  /* vmxnet3 */
544  case VNET_DPDK_PMD_VMXNET3:
546  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
547  break;
548 
549  case VNET_DPDK_PMD_AF_PACKET:
551  xd->af_packet_instance_num = af_packet_instance_num++;
552  break;
553 
554  case VNET_DPDK_PMD_VIRTIO_USER:
556  break;
557 
558  case VNET_DPDK_PMD_VHOST_ETHER:
560  break;
561 
562  case VNET_DPDK_PMD_LIOVF_ETHER:
564  break;
565 
566  case VNET_DPDK_PMD_FAILSAFE:
568  xd->port_conf.intr_conf.lsc = 1;
569  break;
570 
571  case VNET_DPDK_PMD_NETVSC:
572  xd->port_type = port_type_from_link_speed (l.link_speed);
573  break;
574 
575  default:
577  }
578 
579  if (devconf->num_rx_desc)
580  xd->nb_rx_desc = devconf->num_rx_desc;
581  else {
582 
583  /* If num_rx_desc is not specified by VPP user, the current CPU is working
584  with 2M page and has no L3 cache, default num_rx_desc is changed to 512
585  from original 1024 to help reduce TLB misses.
586  */
587  if ((clib_mem_get_default_hugepage_size () == 2 << 20)
588  && check_l3cache() == 0)
589  xd->nb_rx_desc = 512;
590  }
591 
592  if (devconf->num_tx_desc)
593  xd->nb_tx_desc = devconf->num_tx_desc;
594  else {
595 
596  /* If num_tx_desc is not specified by VPP user, the current CPU is working
597  with 2M page and has no L3 cache, default num_tx_desc is changed to 512
598  from original 1024 to help reduce TLB misses.
599  */
600  if ((clib_mem_get_default_hugepage_size () == 2 << 20)
601  && check_l3cache() == 0)
602  xd->nb_tx_desc = 512;
603  }
604  }
605 
606  if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
607  {
608  f64 now = vlib_time_now (vm);
609  u32 rnd;
610  rnd = (u32) (now * 1e6);
611  rnd = random_u32 (&rnd);
612  clib_memcpy (addr + 2, &rnd, sizeof (rnd));
613  addr[0] = 2;
614  addr[1] = 0xfe;
615  }
616  else
617  rte_eth_macaddr_get (i, (void *) addr);
618 
619  if (xd->tx_q_used < tm->n_vlib_mains)
621 
622  xd->port_id = i;
623  xd->device_index = xd - dm->devices;
624  xd->per_interface_next_index = ~0;
625 
626  /* assign interface to input thread */
627  int q;
628 
629 
631  (dm->vnet_main, dpdk_device_class.index, xd->device_index,
632  /* ethernet address */ addr,
634  if (error)
635  return error;
636 
637  /*
638  * Ensure default mtu is not > the mtu read from the hardware.
639  * Otherwise rte_eth_dev_configure() will fail and the port will
640  * not be available.
641  * Calculate max_frame_size and mtu supported by NIC
642  */
643  if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
644  {
645  /*
646  * This device does not support the platforms's max frame
647  * size. Use it's advertised mru instead.
648  */
649  max_rx_frame = dev_info.max_rx_pktlen;
650  mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
651  }
652  else
653  {
654  /* VPP treats MTU and max_rx_pktlen both equal to
655  * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
656  * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
657  */
658  if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
659  sizeof (ethernet_header_t)))
660  {
662  max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
663 
664  /*
665  * Some platforms do not account for Ethernet FCS (4 bytes) in
666  * MTU calculations. To interop with them increase mru but only
667  * if the device's settings can support it.
668  */
669  if (dpdk_port_crc_strip_enabled (xd) &&
670  (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
671  sizeof (ethernet_header_t) +
672  4)))
673  {
674  max_rx_frame += 4;
675  }
676  }
677  else
678  {
679  max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
681 
682  if (dpdk_port_crc_strip_enabled (xd) &&
683  (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
684  {
685  max_rx_frame += 4;
686  }
687  }
688  }
689 
690  if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
691  {
692  /* failsafe device numerables are reported with active device only,
693  * need to query the mtu for current device setup to overwrite
694  * reported value.
695  */
696  uint16_t dev_mtu;
697  if (!rte_eth_dev_get_mtu (i, &dev_mtu))
698  {
699  mtu = dev_mtu;
700  max_rx_frame = mtu + sizeof (ethernet_header_t);
701 
703  {
704  max_rx_frame += 4;
705  }
706  }
707  }
708 
709  /*Set port rxmode config */
710  xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
711 
713  xd->sw_if_index = sw->sw_if_index;
715  dpdk_input_node.index);
716 
717  if (devconf->workers)
718  {
719  int i;
720  q = 0;
721  clib_bitmap_foreach (i, devconf->workers, ({
722  vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
723  vdm->first_worker_thread_index + i);
724  }));
725  }
726  else
727  for (q = 0; q < xd->rx_q_used; q++)
728  {
730  ~1);
731  }
732 
733  /*Get vnet hardware interface */
735 
736  /*Override default max_packet_bytes and max_supported_bytes set in
737  * ethernet_register_interface() above*/
738  if (hi)
739  {
740  hi->max_packet_bytes = mtu;
741  hi->max_supported_packet_bytes = max_rx_frame;
742  hi->numa_node = xd->cpu_socket;
743 
744  /* Indicate ability to support L3 DMAC filtering and
745  * initialize interface to L3 non-promisc mode */
749  }
750 
751  if (dm->conf->no_tx_checksum_offload == 0)
752  if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
754 
755  if (devconf->tso == DPDK_DEVICE_TSO_ON && hi != NULL)
756  {
757  /*tcp_udp checksum must be enabled*/
758  if ((dm->conf->enable_tcp_udp_checksum) &&
760  {
762  xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_TSO |
763  DEV_TX_OFFLOAD_UDP_TSO;
764  }
765  else
766  clib_warning ("%s: TCP/UDP checksum offload must be enabled",
767  hi->name);
768  }
769 
770  dpdk_device_setup (xd);
771 
772  if (vec_len (xd->errors))
773  dpdk_log_err ("setup failed for device %U. Errors:\n %U",
776 
777  /*
778  * A note on Cisco VIC (PMD_ENIC) and VLAN:
779  *
780  * With Cisco VIC vNIC, every ingress packet is tagged. On a
781  * trunk vNIC (C series "standalone" server), packets on no VLAN
782  * are tagged with vlan 0. On an access vNIC (standalone or B
783  * series "blade" server), packets on the default/native VLAN
784  * are tagged with that vNIC's VLAN. VPP expects these packets
785  * to be untagged, and previously enabled VLAN strip on VIC by
786  * default. But it also broke vlan sub-interfaces.
787  *
788  * The VIC adapter has "untag default vlan" ingress VLAN rewrite
789  * mode, which removes tags from these packets. VPP now includes
790  * a local patch for the enic driver to use this untag mode, so
791  * enabling vlan stripping is no longer needed. In future, the
792  * driver + dpdk will have an API to set the mode after
793  * rte_eal_init. Then, this note and local patch will be
794  * removed.
795  */
796 
797  /*
798  * VLAN stripping: default to VLAN strip disabled, unless specified
799  * otherwise in the startup config.
800  */
801 
802  vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
804  {
805  vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
806  if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) >= 0)
807  dpdk_log_info ("VLAN strip enabled for interface\n");
808  else
809  dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
810  xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
811  }
812  else
813  {
814  if (vlan_off & ETH_VLAN_STRIP_OFFLOAD)
815  {
816  vlan_off &= ~ETH_VLAN_STRIP_OFFLOAD;
817  if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) >= 0)
818  dpdk_log_warn ("set VLAN offload failed\n");
819  }
820  xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
821  }
822 
823  if (hi)
824  hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
825  - sizeof (ethernet_header_t);
826  else
827  dpdk_log_warn ("hi NULL");
828 
829  if (dm->conf->no_multi_seg)
830  mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
831 
832  rte_eth_dev_set_mtu (xd->port_id, mtu);
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
1108  {
1109  error = clib_error_return (0, "unknown input `%U'",
1110  format_unformat_error, input);
1111  break;
1112  }
1113  }
1114 
1115  if (error)
1116  return error;
1117 
1118  if (devconf->workers && devconf->num_rx_queues == 0)
1119  devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1120  else if (devconf->workers &&
1121  clib_bitmap_count_set_bits (devconf->workers) !=
1122  devconf->num_rx_queues)
1123  error =
1124  clib_error_return (0,
1125  "%U: number of worker threads must be "
1126  "equal to number of rx queues", format_vlib_pci_addr,
1127  &pci_addr);
1128 
1129  return error;
1130 }
1131 
1132 static clib_error_t *
1134 {
1135  unformat_input_t input;
1136  u8 *line, *s = 0;
1137  int n, n_try;
1138 
1139  n = n_try = 4096;
1140  while (n == n_try)
1141  {
1142  uword len = vec_len (s);
1143  vec_resize (s, len + n_try);
1144 
1145  n = read (uf->file_descriptor, s + len, n_try);
1146  if (n < 0 && errno != EAGAIN)
1147  return clib_error_return_unix (0, "read");
1148  _vec_len (s) = len + (n < 0 ? 0 : n);
1149  }
1150 
1151  unformat_init_vector (&input, s);
1152 
1153  while (unformat_user (&input, unformat_line, &line))
1154  {
1155  dpdk_log_notice ("%v", line);
1156  vec_free (line);
1157  }
1158 
1159  unformat_free (&input);
1160  return 0;
1161 }
1162 
1163 static clib_error_t *
1165 {
1166  clib_error_t *error = 0;
1169  dpdk_device_config_t *devconf;
1170  vlib_pci_addr_t pci_addr;
1171  unformat_input_t sub_input;
1172  uword default_hugepage_sz, x;
1173  u8 *s, *tmp = 0;
1174  int ret, i;
1175  int num_whitelisted = 0;
1176  u8 no_pci = 0;
1177  u8 no_vmbus = 0;
1178  u8 file_prefix = 0;
1179  u8 *socket_mem = 0;
1180  u8 *huge_dir_path = 0;
1181  u32 vendor, device;
1182 
1183  huge_dir_path =
1184  format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1185 
1186  conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1187 
1188  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1189  {
1190  /* Prime the pump */
1191  if (unformat (input, "no-hugetlb"))
1192  {
1193  vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1194  }
1195 
1196  else if (unformat (input, "enable-tcp-udp-checksum"))
1197  conf->enable_tcp_udp_checksum = 1;
1198 
1199  else if (unformat (input, "no-tx-checksum-offload"))
1200  conf->no_tx_checksum_offload = 1;
1201 
1202  else if (unformat (input, "decimal-interface-names"))
1204 
1205  else if (unformat (input, "no-multi-seg"))
1206  conf->no_multi_seg = 1;
1207 
1208  else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1209  &sub_input))
1210  {
1211  error =
1212  dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1213  1);
1214 
1215  if (error)
1216  return error;
1217  }
1218  else
1219  if (unformat
1220  (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1221  unformat_vlib_cli_sub_input, &sub_input))
1222  {
1223  error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1224 
1225  if (error)
1226  return error;
1227 
1228  num_whitelisted++;
1229  }
1230  else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1231  {
1232  error = dpdk_device_config (conf, pci_addr, 0, 0);
1233 
1234  if (error)
1235  return error;
1236 
1237  num_whitelisted++;
1238  }
1239  else if (unformat (input, "num-mem-channels %d", &conf->nchannels))
1240  conf->nchannels_set_manually = 0;
1241  else if (unformat (input, "num-crypto-mbufs %d",
1242  &conf->num_crypto_mbufs))
1243  ;
1244  else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1245  ;
1246  else if (unformat (input, "socket-mem %s", &socket_mem))
1247  ;
1248  else if (unformat (input, "no-pci"))
1249  {
1250  no_pci = 1;
1251  tmp = format (0, "--no-pci%c", 0);
1252  vec_add1 (conf->eal_init_args, tmp);
1253  }
1254  else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1255  {
1256  u32 blacklist_entry;
1257  if (vendor > 0xFFFF)
1258  return clib_error_return (0, "blacklist PCI vendor out of range");
1259  if (device > 0xFFFF)
1260  return clib_error_return (0, "blacklist PCI device out of range");
1261  blacklist_entry = (vendor << 16) | (device & 0xffff);
1263  blacklist_entry);
1264  }
1265  else if (unformat (input, "no-vmbus"))
1266  {
1267  no_vmbus = 1;
1268  tmp = format (0, "--no-vmbus%c", 0);
1269  vec_add1 (conf->eal_init_args, tmp);
1270  }
1271 
1272 #define _(a) \
1273  else if (unformat(input, #a)) \
1274  { \
1275  tmp = format (0, "--%s%c", #a, 0); \
1276  vec_add1 (conf->eal_init_args, tmp); \
1277  }
1279 #undef _
1280 #define _(a) \
1281  else if (unformat(input, #a " %s", &s)) \
1282  { \
1283  if (!strncmp(#a, "file-prefix", 11)) \
1284  file_prefix = 1; \
1285  tmp = format (0, "--%s%c", #a, 0); \
1286  vec_add1 (conf->eal_init_args, tmp); \
1287  vec_add1 (s, 0); \
1288  if (!strncmp(#a, "vdev", 4)) \
1289  if (strstr((char*)s, "af_packet")) \
1290  clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1291  vec_add1 (conf->eal_init_args, s); \
1292  }
1294 #undef _
1295 #define _(a,b) \
1296  else if (unformat(input, #a " %s", &s)) \
1297  { \
1298  tmp = format (0, "-%s%c", #b, 0); \
1299  vec_add1 (conf->eal_init_args, tmp); \
1300  vec_add1 (s, 0); \
1301  vec_add1 (conf->eal_init_args, s); \
1302  }
1304 #undef _
1305 #define _(a,b) \
1306  else if (unformat(input, #a " %s", &s)) \
1307  { \
1308  tmp = format (0, "-%s%c", #b, 0); \
1309  vec_add1 (conf->eal_init_args, tmp); \
1310  vec_add1 (s, 0); \
1311  vec_add1 (conf->eal_init_args, s); \
1312  conf->a##_set_manually = 1; \
1313  }
1315 #undef _
1316  else if (unformat (input, "default"))
1317  ;
1318 
1319  else if (unformat_skip_white_space (input))
1320  ;
1321  else
1322  {
1323  error = clib_error_return (0, "unknown input `%U'",
1324  format_unformat_error, input);
1325  goto done;
1326  }
1327  }
1328 
1329  if (!conf->uio_driver_name)
1330  conf->uio_driver_name = format (0, "auto%c", 0);
1331 
1332  default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1333 
1334  /* *INDENT-OFF* */
1336  {
1337  clib_error_t *e;
1338  uword n_pages;
1339  /* preallocate at least 16MB of hugepages per socket,
1340  if more is needed it is up to consumer to preallocate more */
1341  n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1342  n_pages /= default_hugepage_sz;
1343 
1344  if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1345  clib_error_report (e);
1346  }));
1347  /* *INDENT-ON* */
1348 
1349  if (!file_prefix)
1350  {
1351  tmp = format (0, "--file-prefix%c", 0);
1352  vec_add1 (conf->eal_init_args, tmp);
1353  tmp = format (0, "vpp%c", 0);
1354  vec_add1 (conf->eal_init_args, tmp);
1355  }
1356 
1357  if (error)
1358  return error;
1359 
1360  /* I'll bet that -c and -n must be the first and second args... */
1361  if (!conf->coremask_set_manually)
1362  {
1364  uword *coremask = 0;
1365  int i;
1366 
1367  /* main thread core */
1368  coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1369 
1370  for (i = 0; i < vec_len (tm->registrations); i++)
1371  {
1372  tr = tm->registrations[i];
1373  coremask = clib_bitmap_or (coremask, tr->coremask);
1374  }
1375 
1376  vec_insert (conf->eal_init_args, 2, 1);
1377  conf->eal_init_args[1] = (u8 *) "-c";
1378  tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1379  conf->eal_init_args[2] = tmp;
1380  clib_bitmap_free (coremask);
1381  }
1382 
1383  if (!conf->nchannels_set_manually)
1384  {
1385  vec_insert (conf->eal_init_args, 2, 3);
1386  conf->eal_init_args[3] = (u8 *) "-n";
1387  tmp = format (0, "%d", conf->nchannels);
1388  vec_terminate_c_string (tmp);
1389  conf->eal_init_args[4] = tmp;
1390  }
1391 
1392  if (no_pci == 0 && geteuid () == 0)
1393  dpdk_bind_devices_to_uio (conf);
1394 
1395  if (no_vmbus == 0 && geteuid () == 0)
1397 
1398 #define _(x) \
1399  if (devconf->x == 0 && conf->default_devconf.x > 0) \
1400  devconf->x = conf->default_devconf.x ;
1401 
1402  /* *INDENT-OFF* */
1403  pool_foreach (devconf, conf->dev_confs, ({
1404 
1405  /* default per-device config items */
1406  foreach_dpdk_device_config_item
1407 
1408  /* copy vlan_strip config from default device */
1409  if (devconf->vlan_strip_offload == 0 &&
1410  conf->default_devconf.vlan_strip_offload > 0)
1411  devconf->vlan_strip_offload =
1412  conf->default_devconf.vlan_strip_offload;
1413 
1414  /* copy tso config from default device */
1415  _(tso)
1416 
1417  /* copy tso config from default device */
1418  _(devargs)
1419 
1420  /* add DPDK EAL whitelist/blacklist entry */
1421  if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1422  {
1423  tmp = format (0, "-w%c", 0);
1424  vec_add1 (conf->eal_init_args, tmp);
1425  if (devconf->devargs)
1426  {
1427  tmp = format (0, "%U,%s", format_vlib_pci_addr, &devconf->pci_addr, devconf->devargs, 0);
1428  }
1429  else
1430  {
1431  tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1432  }
1433  vec_add1 (conf->eal_init_args, tmp);
1434  }
1435  else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1436  {
1437  tmp = format (0, "-b%c", 0);
1438  vec_add1 (conf->eal_init_args, tmp);
1439  tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1440  vec_add1 (conf->eal_init_args, tmp);
1441  }
1442  }));
1443  /* *INDENT-ON* */
1444 
1445 #undef _
1446 
1447  /* set master-lcore */
1448  tmp = format (0, "--master-lcore%c", 0);
1449  vec_add1 (conf->eal_init_args, tmp);
1450  tmp = format (0, "%u%c", tm->main_lcore, 0);
1451  vec_add1 (conf->eal_init_args, tmp);
1452 
1453 
1454  if (socket_mem)
1455  clib_warning ("socket-mem argument is deprecated");
1456 
1457  /* NULL terminate the "argv" vector, in case of stupidity */
1458  vec_add1 (conf->eal_init_args, 0);
1459  _vec_len (conf->eal_init_args) -= 1;
1460 
1461  /* Set up DPDK eal and packet mbuf pool early. */
1462 
1463  int log_fds[2] = { 0 };
1464  if (pipe (log_fds) == 0)
1465  {
1466  if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1467  {
1468  FILE *f = fdopen (log_fds[1], "a");
1469  if (f && rte_openlog_stream (f) == 0)
1470  {
1471  clib_file_t t = { 0 };
1473  t.file_descriptor = log_fds[0];
1474  t.description = format (0, "DPDK logging pipe");
1475  clib_file_add (&file_main, &t);
1476  }
1477  }
1478  else
1479  {
1480  close (log_fds[0]);
1481  close (log_fds[1]);
1482  }
1483  }
1484 
1485  vm = vlib_get_main ();
1486 
1487  /* make copy of args as rte_eal_init tends to mess up with arg array */
1488  for (i = 1; i < vec_len (conf->eal_init_args); i++)
1489  conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1490  conf->eal_init_args[i]);
1491 
1492  vec_terminate_c_string (conf->eal_init_args_str);
1493 
1494  dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1495  ret = rte_eal_init (vec_len (conf->eal_init_args),
1496  (char **) conf->eal_init_args);
1497 
1498  /* lazy umount hugepages */
1499  umount2 ((char *) huge_dir_path, MNT_DETACH);
1500  rmdir ((char *) huge_dir_path);
1501  vec_free (huge_dir_path);
1502 
1503  if (ret < 0)
1504  return clib_error_return (0, "rte_eal_init returned %d", ret);
1505 
1506  /* main thread 1st */
1507  if ((error = dpdk_buffer_pools_create (vm)))
1508  return error;
1509 
1510 done:
1511  return error;
1512 }
1513 
1515 
1516 void
1518 {
1519  vnet_main_t *vnm = vnet_get_main ();
1520  struct rte_eth_link prev_link = xd->link;
1521  u32 hw_flags = 0;
1522  u8 hw_flags_chg = 0;
1523 
1524  /* only update link state for PMD interfaces */
1525  if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1526  return;
1527 
1528  xd->time_last_link_update = now ? now : xd->time_last_link_update;
1529  clib_memset (&xd->link, 0, sizeof (xd->link));
1530  rte_eth_link_get_nowait (xd->port_id, &xd->link);
1531 
1532  if (LINK_STATE_ELOGS)
1533  {
1535  ELOG_TYPE_DECLARE (e) =
1536  {
1537  .format =
1538  "update-link-state: sw_if_index %d, admin_up %d,"
1539  "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1540 
1541  struct
1542  {
1543  u32 sw_if_index;
1544  u8 admin_up;
1545  u8 old_link_state;
1546  u8 new_link_state;
1547  } *ed;
1548  ed = ELOG_DATA (&vm->elog_main, e);
1549  ed->sw_if_index = xd->sw_if_index;
1550  ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1551  ed->old_link_state = (u8)
1553  ed->new_link_state = (u8) xd->link.link_status;
1554  }
1555 
1556  if ((xd->link.link_duplex != prev_link.link_duplex))
1557  {
1558  hw_flags_chg = 1;
1559  switch (xd->link.link_duplex)
1560  {
1561  case ETH_LINK_HALF_DUPLEX:
1563  break;
1564  case ETH_LINK_FULL_DUPLEX:
1566  break;
1567  default:
1568  break;
1569  }
1570  }
1571  if (xd->link.link_speed != prev_link.link_speed)
1573  xd->link.link_speed * 1000);
1574 
1575  if (xd->link.link_status != prev_link.link_status)
1576  {
1577  hw_flags_chg = 1;
1578 
1579  if (xd->link.link_status)
1580  hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1581  }
1582 
1583  if (hw_flags_chg)
1584  {
1585  if (LINK_STATE_ELOGS)
1586  {
1588 
1589  ELOG_TYPE_DECLARE (e) =
1590  {
1591  .format =
1592  "update-link-state: sw_if_index %d, new flags %d",.format_args
1593  = "i4i4",};
1594 
1595  struct
1596  {
1597  u32 sw_if_index;
1598  u32 flags;
1599  } *ed;
1600  ed = ELOG_DATA (&vm->elog_main, e);
1601  ed->sw_if_index = xd->sw_if_index;
1602  ed->flags = hw_flags;
1603  }
1604  vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1605  }
1606 }
1607 
1608 static uword
1610 {
1611  clib_error_t *error;
1612  dpdk_main_t *dm = &dpdk_main;
1613  dpdk_device_t *xd;
1615 
1616  error = dpdk_lib_init (dm);
1617 
1618  if (error)
1619  clib_error_report (error);
1620 
1621  error = dpdk_cryptodev_init (vm);
1622  if (error)
1623  clib_error_report (error);
1624 
1625  tm->worker_thread_release = 1;
1626 
1627  f64 now = vlib_time_now (vm);
1628  vec_foreach (xd, dm->devices)
1629  {
1630  dpdk_update_link_state (xd, now);
1631  }
1632 
1633  while (1)
1634  {
1635  /*
1636  * check each time through the loop in case intervals are changed
1637  */
1638  f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1640 
1641  vlib_process_wait_for_event_or_clock (vm, min_wait);
1642 
1643  if (dm->admin_up_down_in_progress)
1644  /* skip the poll if an admin up down is in progress (on any interface) */
1645  continue;
1646 
1647  vec_foreach (xd, dm->devices)
1648  {
1649  f64 now = vlib_time_now (vm);
1650  if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1651  dpdk_update_counters (xd, now);
1652  if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1653  dpdk_update_link_state (xd, now);
1654 
1655  }
1656  }
1657 
1658  return 0;
1659 }
1660 
1661 /* *INDENT-OFF* */
1663  .function = dpdk_process,
1664  .type = VLIB_NODE_TYPE_PROCESS,
1665  .name = "dpdk-process",
1666  .process_log2_n_stack_bytes = 17,
1667 };
1668 /* *INDENT-ON* */
1669 
1670 static clib_error_t *
1672 {
1673  dpdk_main_t *dm = &dpdk_main;
1674  clib_error_t *error = 0;
1675 
1676  /* verify that structs are cacheline aligned */
1677  STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1678  "Cache line marker must be 1st element in dpdk_device_t");
1679  STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1681  "Data in cache line 0 is bigger than cache line size");
1682  STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1683  "Cache line marker must be 1st element in frame_queue_trace_t");
1684  STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1685  "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1686 
1687  dpdk_cli_reference ();
1688 
1689  dm->vlib_main = vm;
1690  dm->vnet_main = vnet_get_main ();
1691  dm->conf = &dpdk_config_main;
1692 
1693  dm->conf->nchannels = 4;
1694  vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1695  vec_add1 (dm->conf->eal_init_args, (u8 *) "--in-memory");
1696 
1697  /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1698  dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID |
1699  VLIB_BUFFER_EXT_HDR_VALID |
1700  VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1701  VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
1702 
1705 
1706  dm->log_default = vlib_log_register_class ("dpdk", 0);
1707 
1708  return error;
1709 }
1710 
1712 
1713 /*
1714  * fd.io coding-style-patch-verification: ON
1715  *
1716  * Local Variables:
1717  * eval: (c-set-style "gnu")
1718  * End:
1719  */
vlib_log_class_t vlib_log_register_class(char *class, char *subclass)
Definition: log.c:209
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:507
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:208
#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:207
#define clib_min(x, y)
Definition: clib.h:319
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:295
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:168
#define DPDK_DEVICE_VLAN_STRIP_OFF
Definition: dpdk.h:258
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
static f64 vlib_time_now(vlib_main_t *vm)
Definition: main.h:291
#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:640
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:246
void dpdk_update_link_state(dpdk_device_t *xd, f64 now)
Definition: init.c:1517
u16 flags
Definition: dpdk.h:176
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:1088
#define vec_add1(V, E)
Add 1 element to end of vector (unspecified alignment).
Definition: vec.h:590
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:220
u32 per_interface_next_index
Definition: dpdk.h:171
u8 enable_tcp_udp_checksum
Definition: dpdk.h:281
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:259
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:197
#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:518
#define ETHERNET_INTERFACE_FLAG_DEFAULT_L3
Definition: ethernet.h:149
#define DPDK_DEVICE_TSO_OFF
Definition: dpdk.h:269
#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:254
u32 * blacklist_by_pci_vendor_and_device
Definition: dpdk.h:303
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:264
#define dpdk_log_warn(...)
Definition: dpdk.h:404
#define pool_foreach(VAR, POOL, BODY)
Iterate through pool.
Definition: pool.h:513
vl_api_interface_index_t sw_if_index
Definition: gre.api:53
static clib_error_t * dpdk_log_read_ready(clib_file_t *uf)
Definition: init.c:1133
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:173
dpdk_portid_t port_id
Definition: dpdk.h:165
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:298
f64 stat_poll_interval
Definition: dpdk.h:340
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:526
#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:189
vlib_pci_addr_t * vlib_pci_get_all_dev_addrs()
Definition: pci.c:1441
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:921
#define DPDK_NB_TX_DESC_VIRTIO
Definition: dpdk_priv.h:19
struct rte_eth_conf port_conf
Definition: dpdk.h:193
static clib_error_t * dpdk_init(vlib_main_t *vm)
Definition: init.c:1671
u32 max_supported_packet_bytes
Definition: interface.h:565
f64 time_last_stats_update
Definition: dpdk.h:213
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:194
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:753
vlib_pci_addr_t pci_addr
Definition: dpdk.h:253
static clib_error_t * dpdk_config(vlib_main_t *vm, unformat_input_t *input)
Definition: init.c:1164
#define foreach_eal_double_hyphen_arg
Definition: dpdk_priv.h:45
u8 ** eal_init_args
Definition: dpdk.h:277
dpdk_per_thread_data_t * per_thread_data
Definition: dpdk.h:327
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:319
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:214
#define VLIB_CONFIG_FUNCTION(x, n,...)
Definition: init.h:182
signed char i8
Definition: types.h:45
u16 tx_q_used
Definition: dpdk.h:188
u16 nb_rx_desc
Definition: dpdk.h:190
uint16_t dpdk_portid_t
Definition: dpdk.h:121
#define dpdk_log_info(...)
Definition: dpdk.h:408
clib_error_t * clib_sysfs_read(char *file_name, char *fmt,...)
Definition: sysfs.c:50
vlib_main_t * vm
Definition: in2out_ed.c:1599
u32 hw_if_index
Definition: dpdk.h:167
u8 len
Definition: ip_types.api:92
clib_error_t * dpdk_cryptodev_init(vlib_main_t *vm)
Definition: cryptodev.c:1227
void unformat_init_vector(unformat_input_t *input, u8 *vector_string)
Definition: unformat.c:1037
u16 af_packet_instance_num
Definition: dpdk.h:205
#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:289
#define DPDK_NB_RX_DESC_DEFAULT
Definition: dpdk_priv.h:16
static int check_l3cache()
Definition: init.c:170
#define UNFORMAT_END_OF_INPUT
Definition: format.h:145
u32 flags
Definition: vhost_user.h:248
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:326
static void dpdk_update_counters(dpdk_device_t *xd, f64 now)
Definition: dpdk_priv.h:78
u8 nchannels_set_manually
Definition: dpdk.h:286
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:402
volatile u32 ** lockp
Definition: dpdk.h:159
dpdk_device_config_t * dev_confs
Definition: dpdk.h:299
#define clib_warning(format, args...)
Definition: error.h:59
dpdk_pmd_t pmd
Definition: dpdk.h:173
format_function_t format_dpdk_device_errors
Definition: dpdk.h:442
elog_main_t elog_main
Definition: main.h:193
#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:285
#define ELOG_TYPE_DECLARE(f)
Definition: elog.h:442
static void dpdk_device_lock_init(dpdk_device_t *xd)
Definition: init.c:147
format_function_t format_dpdk_rss_hf_name
Definition: dpdk.h:448
static void dpdk_bind_vmbus_devices_to_uio(dpdk_config_main_t *conf)
Definition: init.c:1014
u8 * interface_name_suffix
Definition: dpdk.h:182
uword unformat_vlib_cli_sub_input(unformat_input_t *i, va_list *args)
Definition: cli.c:162
#define hash_create(elts, value_bytes)
Definition: hash.h:696
#define ASSERT(truth)
format_function_t format_dpdk_device_name
Definition: dpdk.h:440
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:351
static uword dpdk_process(vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)
Definition: init.c:1609
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:226
dpdk_main_t dpdk_main
Definition: init.c:46
dpdk_portid_t device_index
Definition: dpdk.h:162
struct rte_eth_link link
Definition: dpdk.h:207
u8 * name
Definition: dpdk.h:181
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:160
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:223
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:1662
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:336
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:282
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:216
#define clib_error_free(e)
Definition: error.h:86
#define DPDK_DEVICE_TSO_ON
Definition: dpdk.h:270
u32 buffer_flags_template
Definition: dpdk.h:330
static void * clib_mem_alloc_aligned(uword size, uword align)
Definition: mem.h:165
#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:268
i8 cpu_socket
Definition: dpdk.h:174
uword * cpu_socket_bitmap
Definition: threads.h:329
Definition: file.h:51
u8 * uio_driver_name
Definition: dpdk.h:279
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:344
u16 nb_tx_desc
Definition: dpdk.h:178
u16 device_class
Definition: pci.h:72
uword * device_config_index_by_pci_addr
Definition: dpdk.h:300
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:406
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:339
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:345
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:343