FD.io VPP  v20.05.1-6-gf53edbc3b
Vector Packet Processing
device.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/format.h>
18 #include <assert.h>
19 
20 #include <vnet/ethernet/ethernet.h>
21 #include <dpdk/buffer.h>
22 #include <dpdk/device/dpdk.h>
23 #include <dpdk/device/dpdk_priv.h>
24 #include <vppinfra/error.h>
25 
26 #define foreach_dpdk_tx_func_error \
27  _(BAD_RETVAL, "DPDK tx function returned an error") \
28  _(PKT_DROP, "Tx packet drops (dpdk tx failure)")
29 
30 typedef enum
31 {
32 #define _(f,s) DPDK_TX_FUNC_ERROR_##f,
34 #undef _
37 
38 static char *dpdk_tx_func_error_strings[] = {
39 #define _(n,s) s,
41 #undef _
42 };
43 
44 static clib_error_t *
46  const u8 * address, u8 is_add)
47 {
48  int error;
49  dpdk_main_t *dm = &dpdk_main;
51 
52  if (is_add)
53  error = rte_eth_dev_mac_addr_add (xd->port_id,
54  (struct rte_ether_addr *) address, 0);
55  else
56  error = rte_eth_dev_mac_addr_remove (xd->port_id,
57  (struct rte_ether_addr *) address);
58 
59  if (error)
60  {
61  return clib_error_return (0, "mac address add/del failed: %d", error);
62  }
63 
64  return NULL;
65 }
66 
67 static clib_error_t *
69  const u8 * old_address, const u8 * address)
70 {
71  int error;
72  dpdk_main_t *dm = &dpdk_main;
74 
75  error = rte_eth_dev_default_mac_addr_set (xd->port_id, (void *) address);
76 
77  if (error)
78  {
79  return clib_error_return (0, "mac address set failed: %d", error);
80  }
81  else
82  {
84  vec_add (xd->default_mac_address, address, sizeof (address));
85  return NULL;
86  }
87 }
88 
89 static void
91  dpdk_device_t * xd, u16 queue_id,
92  vlib_buffer_t * buffer)
93 {
94  vlib_main_t *vm = vlib_get_main ();
95  dpdk_tx_trace_t *t0;
96  struct rte_mbuf *mb;
97 
98  mb = rte_mbuf_from_vlib_buffer (buffer);
99 
100  t0 = vlib_add_trace (vm, node, buffer, sizeof (t0[0]));
101  t0->queue_index = queue_id;
102  t0->device_index = xd->device_index;
103  t0->buffer_index = vlib_get_buffer_index (vm, buffer);
104  clib_memcpy_fast (&t0->mb, mb, sizeof (t0->mb));
105  clib_memcpy_fast (&t0->buffer, buffer,
106  sizeof (buffer[0]) - sizeof (buffer->pre_data));
107  clib_memcpy_fast (t0->buffer.pre_data, buffer->data + buffer->current_data,
108  sizeof (t0->buffer.pre_data));
109  clib_memcpy_fast (&t0->data, mb->buf_addr + mb->data_off,
110  sizeof (t0->data));
111 }
112 
115  int maybe_multiseg)
116 {
117  struct rte_mbuf *mb, *first_mb, *last_mb;
118  last_mb = first_mb = mb = rte_mbuf_from_vlib_buffer (b);
119 
120  /* buffer is coming from non-dpdk source so we need to init
121  rte_mbuf header */
122  if (PREDICT_FALSE ((b->flags & VLIB_BUFFER_EXT_HDR_VALID) == 0))
123  rte_pktmbuf_reset (mb);
124 
125  first_mb->nb_segs = 1;
126  mb->data_len = b->current_length;
127  mb->pkt_len = maybe_multiseg ? vlib_buffer_length_in_chain (vm, b) :
128  b->current_length;
129  mb->data_off = VLIB_BUFFER_PRE_DATA_SIZE + b->current_data;
130 
131  while (maybe_multiseg && (b->flags & VLIB_BUFFER_NEXT_PRESENT))
132  {
133  b = vlib_get_buffer (vm, b->next_buffer);
134  mb = rte_mbuf_from_vlib_buffer (b);
135  if (PREDICT_FALSE ((b->flags & VLIB_BUFFER_EXT_HDR_VALID) == 0))
136  rte_pktmbuf_reset (mb);
137  last_mb->next = mb;
138  last_mb = mb;
139  mb->data_len = b->current_length;
140  mb->pkt_len = b->current_length;
141  mb->data_off = VLIB_BUFFER_PRE_DATA_SIZE + b->current_data;
142  first_mb->nb_segs++;
143  if (PREDICT_FALSE (b->ref_count > 1))
144  mb->pool =
146  }
147 }
148 
149 /*
150  * This function calls the dpdk's tx_burst function to transmit the packets.
151  * It manages a lock per-device if the device does not
152  * support multiple queues. It returns the number of packets untransmitted
153  * If all packets are transmitted (the normal case), the function returns 0.
154  */
157  dpdk_device_t * xd,
158  struct rte_mbuf **mb, u32 n_left)
159 {
160  dpdk_main_t *dm = &dpdk_main;
161  u32 n_retry;
162  int n_sent = 0;
163  int queue_id;
164 
165  n_retry = 16;
166  queue_id = vm->thread_index;
167 
168  do
169  {
170  /*
171  * This device only supports one TX queue,
172  * and we're running multi-threaded...
173  */
174  if (PREDICT_FALSE (xd->lockp != 0))
175  {
176  queue_id = queue_id % xd->tx_q_used;
177  while (clib_atomic_test_and_set (xd->lockp[queue_id]))
178  /* zzzz */
179  queue_id = (queue_id + 1) % xd->tx_q_used;
180  }
181 
182  if (PREDICT_TRUE (xd->flags & DPDK_DEVICE_FLAG_PMD))
183  {
184  /* no wrap, transmit in one burst */
185  n_sent = rte_eth_tx_burst (xd->port_id, queue_id, mb, n_left);
186  n_retry--;
187  }
188  else
189  {
190  ASSERT (0);
191  n_sent = 0;
192  }
193 
194  if (PREDICT_FALSE (xd->lockp != 0))
195  clib_atomic_release (xd->lockp[queue_id]);
196 
197  if (PREDICT_FALSE (n_sent < 0))
198  {
199  // emit non-fatal message, bump counter
200  vnet_main_t *vnm = dm->vnet_main;
202  u32 node_index;
203 
204  node_index = vec_elt_at_index (im->hw_interfaces,
205  xd->hw_if_index)->tx_node_index;
206 
207  vlib_error_count (vm, node_index, DPDK_TX_FUNC_ERROR_BAD_RETVAL, 1);
208  clib_warning ("rte_eth_tx_burst[%d]: error %d",
209  xd->port_id, n_sent);
210  return n_left; // untransmitted packets
211  }
212  n_left -= n_sent;
213  mb += n_sent;
214  }
215  while (n_sent && n_left && (n_retry > 0));
216 
217  return n_left;
218 }
219 
220 static_always_inline __clib_unused void
221 dpdk_prefetch_buffer (vlib_main_t * vm, struct rte_mbuf *mb)
222 {
224  CLIB_PREFETCH (mb, sizeof (struct rte_mbuf), STORE);
226 }
227 
230  struct rte_mbuf *mb)
231 {
232  u32 ip_cksum = b->flags & VNET_BUFFER_F_OFFLOAD_IP_CKSUM;
233  u32 tcp_cksum = b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
234  u32 udp_cksum = b->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
235  int is_ip4 = b->flags & VNET_BUFFER_F_IS_IP4;
236  u32 tso = b->flags & VNET_BUFFER_F_GSO;
237  u64 ol_flags;
238 
239  /* Is there any work for us? */
240  if (PREDICT_TRUE ((ip_cksum | tcp_cksum | udp_cksum | tso) == 0))
241  return;
242 
243  mb->l2_len = vnet_buffer (b)->l3_hdr_offset - b->current_data;
244  mb->l3_len = vnet_buffer (b)->l4_hdr_offset -
245  vnet_buffer (b)->l3_hdr_offset;
246  mb->outer_l3_len = 0;
247  mb->outer_l2_len = 0;
248  ol_flags = is_ip4 ? PKT_TX_IPV4 : PKT_TX_IPV6;
249  ol_flags |= ip_cksum ? PKT_TX_IP_CKSUM : 0;
250  ol_flags |= tcp_cksum ? PKT_TX_TCP_CKSUM : 0;
251  ol_flags |= udp_cksum ? PKT_TX_UDP_CKSUM : 0;
252  ol_flags |= tso ? (tcp_cksum ? PKT_TX_TCP_SEG : PKT_TX_UDP_SEG) : 0;
253 
254  if (tso)
255  {
256  mb->l4_len = vnet_buffer2 (b)->gso_l4_hdr_sz;
257  mb->tso_segsz = vnet_buffer2 (b)->gso_size;
258  }
259 
260  mb->ol_flags |= ol_flags;
261 
262  /* we are trying to help compiler here by using local ol_flags with known
263  state of all flags */
264  if (xd->flags & DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM)
265  rte_net_intel_cksum_flags_prepare (mb, ol_flags);
266 }
267 
268 /*
269  * Transmits the packets on the frame to the interface associated with the
270  * node. It first copies packets on the frame to a per-thread arrays
271  * containing the rte_mbuf pointers.
272  */
275  vlib_frame_t * f)
276 {
277  dpdk_main_t *dm = &dpdk_main;
278  vnet_interface_output_runtime_t *rd = (void *) node->runtime_data;
280  u32 n_packets = f->n_vectors;
281  u32 n_left;
282  u32 thread_index = vm->thread_index;
283  int queue_id = thread_index;
284  u32 tx_pkts = 0, all_or_flags = 0;
286  thread_index);
287  struct rte_mbuf **mb;
288  vlib_buffer_t *b[4];
289 
290  ASSERT (n_packets <= VLIB_FRAME_SIZE);
291 
292  /* calculate rte_mbuf pointers out of buffer indices */
294  (void **) ptd->mbufs, n_packets,
295  -(i32) sizeof (struct rte_mbuf));
296 
297  n_left = n_packets;
298  mb = ptd->mbufs;
299 
300 #if (CLIB_N_PREFETCHES >= 8)
301  while (n_left >= 8)
302  {
303  u32 or_flags;
304 
305  dpdk_prefetch_buffer (vm, mb[4]);
306  dpdk_prefetch_buffer (vm, mb[5]);
307  dpdk_prefetch_buffer (vm, mb[6]);
308  dpdk_prefetch_buffer (vm, mb[7]);
309 
310  b[0] = vlib_buffer_from_rte_mbuf (mb[0]);
311  b[1] = vlib_buffer_from_rte_mbuf (mb[1]);
312  b[2] = vlib_buffer_from_rte_mbuf (mb[2]);
313  b[3] = vlib_buffer_from_rte_mbuf (mb[3]);
314 
315  or_flags = b[0]->flags | b[1]->flags | b[2]->flags | b[3]->flags;
316  all_or_flags |= or_flags;
317 
322 
323  if (or_flags & VLIB_BUFFER_NEXT_PRESENT)
324  {
325  dpdk_validate_rte_mbuf (vm, b[0], 1);
326  dpdk_validate_rte_mbuf (vm, b[1], 1);
327  dpdk_validate_rte_mbuf (vm, b[2], 1);
328  dpdk_validate_rte_mbuf (vm, b[3], 1);
329  }
330  else
331  {
332  dpdk_validate_rte_mbuf (vm, b[0], 0);
333  dpdk_validate_rte_mbuf (vm, b[1], 0);
334  dpdk_validate_rte_mbuf (vm, b[2], 0);
335  dpdk_validate_rte_mbuf (vm, b[3], 0);
336  }
337 
338  if (PREDICT_FALSE ((xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD) &&
339  (or_flags &
340  (VNET_BUFFER_F_OFFLOAD_TCP_CKSUM
341  | VNET_BUFFER_F_OFFLOAD_IP_CKSUM
342  | VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))))
343  {
344  dpdk_buffer_tx_offload (xd, b[0], mb[0]);
345  dpdk_buffer_tx_offload (xd, b[1], mb[1]);
346  dpdk_buffer_tx_offload (xd, b[2], mb[2]);
347  dpdk_buffer_tx_offload (xd, b[3], mb[3]);
348  }
349 
350  if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
351  {
352  if (b[0]->flags & VLIB_BUFFER_IS_TRACED)
353  dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[0]);
354  if (b[1]->flags & VLIB_BUFFER_IS_TRACED)
355  dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[1]);
356  if (b[2]->flags & VLIB_BUFFER_IS_TRACED)
357  dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[2]);
358  if (b[3]->flags & VLIB_BUFFER_IS_TRACED)
359  dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[3]);
360  }
361 
362  mb += 4;
363  n_left -= 4;
364  }
365 #elif (CLIB_N_PREFETCHES >= 4)
366  while (n_left >= 4)
367  {
368  vlib_buffer_t *b2, *b3;
369  u32 or_flags;
370 
371  CLIB_PREFETCH (mb[2], CLIB_CACHE_LINE_BYTES, STORE);
372  CLIB_PREFETCH (mb[3], CLIB_CACHE_LINE_BYTES, STORE);
373  b2 = vlib_buffer_from_rte_mbuf (mb[2]);
375  b3 = vlib_buffer_from_rte_mbuf (mb[3]);
377 
378  b[0] = vlib_buffer_from_rte_mbuf (mb[0]);
379  b[1] = vlib_buffer_from_rte_mbuf (mb[1]);
380 
381  or_flags = b[0]->flags | b[1]->flags;
382  all_or_flags |= or_flags;
383 
386 
387  if (or_flags & VLIB_BUFFER_NEXT_PRESENT)
388  {
389  dpdk_validate_rte_mbuf (vm, b[0], 1);
390  dpdk_validate_rte_mbuf (vm, b[1], 1);
391  }
392  else
393  {
394  dpdk_validate_rte_mbuf (vm, b[0], 0);
395  dpdk_validate_rte_mbuf (vm, b[1], 0);
396  }
397 
398  if (PREDICT_FALSE ((xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD) &&
399  (or_flags &
400  (VNET_BUFFER_F_OFFLOAD_TCP_CKSUM
401  | VNET_BUFFER_F_OFFLOAD_IP_CKSUM
402  | VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))))
403  {
404  dpdk_buffer_tx_offload (xd, b[0], mb[0]);
405  dpdk_buffer_tx_offload (xd, b[1], mb[1]);
406  }
407 
408  if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
409  {
410  if (b[0]->flags & VLIB_BUFFER_IS_TRACED)
411  dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[0]);
412  if (b[1]->flags & VLIB_BUFFER_IS_TRACED)
413  dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[1]);
414  }
415 
416  mb += 2;
417  n_left -= 2;
418  }
419 #endif
420 
421  while (n_left > 0)
422  {
423  b[0] = vlib_buffer_from_rte_mbuf (mb[0]);
424  all_or_flags |= b[0]->flags;
426 
427  dpdk_validate_rte_mbuf (vm, b[0], 1);
428  dpdk_buffer_tx_offload (xd, b[0], mb[0]);
429 
430  if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
431  if (b[0]->flags & VLIB_BUFFER_IS_TRACED)
432  dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[0]);
433 
434  mb++;
435  n_left--;
436  }
437 
438  /* transmit as many packets as possible */
439  tx_pkts = n_packets = mb - ptd->mbufs;
440  n_left = tx_burst_vector_internal (vm, xd, ptd->mbufs, n_packets);
441 
442  {
443  /* If there is no callback then drop any non-transmitted packets */
444  if (PREDICT_FALSE (n_left))
445  {
446  tx_pkts -= n_left;
448  vnet_main_t *vnm = vnet_get_main ();
449 
452 
453  vlib_increment_simple_counter (cm, thread_index, xd->sw_if_index,
454  n_left);
455 
456  vlib_error_count (vm, node->node_index, DPDK_TX_FUNC_ERROR_PKT_DROP,
457  n_left);
458 
459  while (n_left--)
460  rte_pktmbuf_free (ptd->mbufs[n_packets - n_left - 1]);
461  }
462  }
463 
464  return tx_pkts;
465 }
466 
467 static void
469 {
470  dpdk_main_t *dm = &dpdk_main;
471  dpdk_device_t *xd = vec_elt_at_index (dm->devices, instance);
472 
473  rte_eth_stats_reset (xd->port_id);
474  rte_eth_xstats_reset (xd->port_id);
475 }
476 
477 static clib_error_t *
479 {
480  vnet_hw_interface_t *hif = vnet_get_hw_interface (vnm, hw_if_index);
481  uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
482  dpdk_main_t *dm = &dpdk_main;
484 
485  if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
486  return clib_error_return (0, "Interface not initialized");
487 
488  if (is_up)
489  {
490  if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) == 0)
491  dpdk_device_start (xd);
492  xd->flags |= DPDK_DEVICE_FLAG_ADMIN_UP;
493  f64 now = vlib_time_now (dm->vlib_main);
494  dpdk_update_counters (xd, now);
495  dpdk_update_link_state (xd, now);
496  }
497  else
498  {
500  if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0)
501  dpdk_device_stop (xd);
502  xd->flags &= ~DPDK_DEVICE_FLAG_ADMIN_UP;
503  }
504 
505  return /* no error */ 0;
506 }
507 
508 /*
509  * Dynamically redirect all pkts from a specific interface
510  * to the specified node
511  */
512 static void
514  u32 node_index)
515 {
516  dpdk_main_t *xm = &dpdk_main;
517  vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
519 
520  /* Shut off redirection */
521  if (node_index == ~0)
522  {
523  xd->per_interface_next_index = node_index;
524  return;
525  }
526 
528  vlib_node_add_next (xm->vlib_main, dpdk_input_node.index, node_index);
529 }
530 
531 
532 static clib_error_t *
534  u32 hw_if_index,
535  struct vnet_sw_interface_t *st, int is_add)
536 {
537  dpdk_main_t *xm = &dpdk_main;
538  vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
541  int r, vlan_offload;
542  u32 prev_subifs = xd->num_subifs;
543  clib_error_t *err = 0;
544 
545  if (is_add)
546  xd->num_subifs++;
547  else if (xd->num_subifs)
548  xd->num_subifs--;
549 
550  if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
551  goto done;
552 
553  /* currently we program VLANS only for IXGBE VF and I40E VF */
554  if ((xd->pmd != VNET_DPDK_PMD_IXGBEVF) && (xd->pmd != VNET_DPDK_PMD_I40EVF))
555  goto done;
556 
557  if (t->sub.eth.flags.no_tags == 1)
558  goto done;
559 
560  if ((t->sub.eth.flags.one_tag != 1) || (t->sub.eth.flags.exact_match != 1))
561  {
562  xd->num_subifs = prev_subifs;
563  err = clib_error_return (0, "unsupported VLAN setup");
564  goto done;
565  }
566 
567  vlan_offload = rte_eth_dev_get_vlan_offload (xd->port_id);
568  vlan_offload |= ETH_VLAN_FILTER_OFFLOAD;
569 
570  if ((r = rte_eth_dev_set_vlan_offload (xd->port_id, vlan_offload)))
571  {
572  xd->num_subifs = prev_subifs;
573  err = clib_error_return (0, "rte_eth_dev_set_vlan_offload[%d]: err %d",
574  xd->port_id, r);
575  goto done;
576  }
577 
578 
579  if ((r =
580  rte_eth_dev_vlan_filter (xd->port_id,
581  t->sub.eth.outer_vlan_id, is_add)))
582  {
583  xd->num_subifs = prev_subifs;
584  err = clib_error_return (0, "rte_eth_dev_vlan_filter[%d]: err %d",
585  xd->port_id, r);
586  goto done;
587  }
588 
589 done:
590  if (xd->num_subifs)
591  xd->flags |= DPDK_DEVICE_FLAG_HAVE_SUBIF;
592  else
593  xd->flags &= ~DPDK_DEVICE_FLAG_HAVE_SUBIF;
594 
595  return err;
596 }
597 
598 /* *INDENT-OFF* */
600  .name = "dpdk",
601  .tx_function_n_errors = DPDK_TX_FUNC_N_ERROR,
602  .tx_function_error_strings = dpdk_tx_func_error_strings,
603  .format_device_name = format_dpdk_device_name,
604  .format_device = format_dpdk_device,
605  .format_tx_trace = format_dpdk_tx_trace,
606  .clear_counters = dpdk_clear_hw_interface_counters,
607  .admin_up_down_function = dpdk_interface_admin_up_down,
608  .subif_add_del_function = dpdk_subif_add_del_function,
609  .rx_redirect_to_node = dpdk_set_interface_next_node,
610  .mac_addr_change_function = dpdk_set_mac_address,
611  .mac_addr_add_del_function = dpdk_add_del_mac_address,
612  .format_flow = format_dpdk_flow,
613  .flow_ops_function = dpdk_flow_ops_fn,
614 };
615 /* *INDENT-ON* */
616 
617 #define UP_DOWN_FLAG_EVENT 1
618 
619 static uword
622 {
623  clib_error_t *error = 0;
624  uword event_type;
625  uword *event_data = 0;
627  u32 flags;
628 
629  while (1)
630  {
632 
633  event_type = vlib_process_get_events (vm, &event_data);
634 
636 
637  switch (event_type)
638  {
639  case UP_DOWN_FLAG_EVENT:
640  {
641  if (vec_len (event_data) == 2)
642  {
643  sw_if_index = event_data[0];
644  flags = event_data[1];
645  error =
647  flags);
648  clib_error_report (error);
649  }
650  }
651  break;
652  }
653 
654  vec_reset_length (event_data);
655 
657 
658  }
659  return 0; /* or not */
660 }
661 
662 /* *INDENT-OFF* */
664  .function = admin_up_down_process,
665  .type = VLIB_NODE_TYPE_PROCESS,
666  .name = "admin-up-down-process",
667  .process_log2_n_stack_bytes = 17, // 256KB
668 };
669 /* *INDENT-ON* */
670 
671 /*
672  * fd.io coding-style-patch-verification: ON
673  *
674  * Local Variables:
675  * eval: (c-set-style "gnu")
676  * End:
677  */
u8 * default_mac_address
Definition: dpdk.h:217
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
format_function_t format_dpdk_tx_trace
Definition: dpdk.h:443
format_function_t format_dpdk_flow
Definition: dpdk.h:447
#define vlib_buffer_from_rte_mbuf(x)
Definition: buffer.h:20
static uword * vlib_process_wait_for_event(vlib_main_t *vm)
Definition: node_funcs.h:593
dpdk_main_t dpdk_main
Definition: init.c:46
vnet_main_t * vnet_get_main(void)
Definition: misc.c:46
#define vnet_buffer2(b)
Definition: buffer.h:482
vnet_interface_main_t interface_main
Definition: vnet.h:56
#define PREDICT_TRUE(x)
Definition: clib.h:119
i16 current_data
signed offset in data[], pre_data[] that we are currently processing.
Definition: buffer.h:110
unsigned long u64
Definition: types.h:89
static void vlib_error_count(vlib_main_t *vm, uword node_index, uword counter, uword increment)
Definition: error_funcs.h:57
#define clib_memcpy_fast(a, b, c)
Definition: string.h:81
static f64 vlib_time_now(vlib_main_t *vm)
Definition: main.h:291
#define VLIB_BUFFER_PRE_DATA_SIZE
Definition: buffer.h:51
u16 flags
Definition: dpdk.h:176
static vnet_hw_interface_t * vnet_get_hw_interface(vnet_main_t *vnm, u32 hw_if_index)
u32 thread_index
Definition: main.h:218
u16 current_length
Nbytes between current data and the end of this buffer.
Definition: buffer.h:113
u32 per_interface_next_index
Definition: dpdk.h:171
static_always_inline void vlib_get_buffers_with_offset(vlib_main_t *vm, u32 *bi, void **b, int count, i32 offset)
Translate array of buffer indices into buffer pointers with offset.
Definition: buffer_funcs.h:214
static void vlib_increment_simple_counter(vlib_simple_counter_main_t *cm, u32 thread_index, u32 index, u64 increment)
Increment a simple counter.
Definition: counter.h:78
u16 num_subifs
Definition: dpdk.h:185
static uword vlib_buffer_length_in_chain(vlib_main_t *vm, vlib_buffer_t *b)
Get length in bytes of the buffer chain.
Definition: buffer_funcs.h:402
static uword vlib_node_add_next(vlib_main_t *vm, uword node, uword next_node)
Definition: node_funcs.h:1092
unsigned char u8
Definition: types.h:56
static clib_error_t * dpdk_add_del_mac_address(vnet_hw_interface_t *hi, const u8 *address, u8 is_add)
Definition: device.c:45
u8 buffer_pool_index
index of buffer pool this buffer belongs.
Definition: buffer.h:133
#define vec_reset_length(v)
Reset vector length to zero NULL-pointer tolerant.
double f64
Definition: types.h:142
#define vec_add(V, E, N)
Add N elements to end of vector V (no header, unspecified alignment)
Definition: vec.h:666
#define static_always_inline
Definition: clib.h:106
vl_api_interface_index_t sw_if_index
Definition: gre.api:53
dpdk_portid_t port_id
Definition: dpdk.h:165
static uword vlib_process_get_events(vlib_main_t *vm, uword **data_vector)
Return the first event type which has occurred and a vector of per-event data of that type...
Definition: node_funcs.h:516
vlib_node_registration_t dpdk_input_node
(constructor) VLIB_REGISTER_NODE (dpdk_input_node)
Definition: node.c:477
u32 buffer_index
Definition: dpdk.h:358
static clib_error_t * dpdk_interface_admin_up_down(vnet_main_t *vnm, u32 hw_if_index, u32 flags)
Definition: device.c:478
static clib_error_t * dpdk_subif_add_del_function(vnet_main_t *vnm, u32 hw_if_index, struct vnet_sw_interface_t *st, int is_add)
Definition: device.c:533
#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
vlib_node_registration_t admin_up_down_process_node
(constructor) VLIB_REGISTER_NODE (admin_up_down_process_node)
Definition: device.c:663
#define VNET_DEVICE_CLASS_TX_FN(devclass)
Definition: interface.h:305
unsigned int u32
Definition: types.h:88
A collection of simple counters.
Definition: counter.h:57
#define VLIB_FRAME_SIZE
Definition: node.h:380
static_always_inline void dpdk_buffer_tx_offload(dpdk_device_t *xd, vlib_buffer_t *b, struct rte_mbuf *mb)
Definition: device.c:229
#define clib_atomic_test_and_set(a)
Definition: atomics.h:42
static u32 vlib_get_buffer_index(vlib_main_t *vm, void *p)
Translate buffer pointer into buffer index.
Definition: buffer_funcs.h:293
static_always_inline void dpdk_validate_rte_mbuf(vlib_main_t *vm, vlib_buffer_t *b, int maybe_multiseg)
Definition: device.c:114
vnet_crypto_main_t * cm
Definition: quic_crypto.c:53
vnet_hw_interface_t * hw_interfaces
Definition: interface.h:844
void dpdk_device_start(dpdk_device_t *xd)
Definition: common.c:160
vnet_sub_interface_t sub
Definition: interface.h:744
#define clib_atomic_release(a)
Definition: atomics.h:43
dpdk_per_thread_data_t * per_thread_data
Definition: dpdk.h:327
unsigned short u16
Definition: types.h:57
#define rte_mbuf_from_vlib_buffer(x)
Definition: buffer.h:19
u8 data[256]
Definition: dpdk.h:364
static void dpdk_set_interface_next_node(vnet_main_t *vnm, u32 hw_if_index, u32 node_index)
Definition: device.c:513
static void dpdk_clear_hw_interface_counters(u32 instance)
Definition: device.c:468
#define PREDICT_FALSE(x)
Definition: clib.h:118
vlib_simple_counter_main_t * sw_if_counters
Definition: interface.h:866
u16 tx_q_used
Definition: dpdk.h:188
vlib_main_t * vm
Definition: in2out_ed.c:1599
u32 hw_if_index
Definition: dpdk.h:167
#define VLIB_REGISTER_NODE(x,...)
Definition: node.h:169
u32 flags
Definition: vhost_user.h:248
#define CLIB_PREFETCH(addr, size, type)
Definition: cache.h:80
dpdk_device_t * devices
Definition: dpdk.h:326
static void dpdk_update_counters(dpdk_device_t *xd, f64 now)
Definition: dpdk_priv.h:78
static uword admin_up_down_process(vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)
Definition: device.c:620
volatile u32 ** lockp
Definition: dpdk.h:159
#define clib_warning(format, args...)
Definition: error.h:59
static_always_inline u32 tx_burst_vector_internal(vlib_main_t *vm, dpdk_device_t *xd, struct rte_mbuf **mb, u32 n_left)
Definition: device.c:156
u8 data[]
Packet data.
Definition: buffer.h:181
static void dpdk_tx_trace_buffer(dpdk_main_t *dm, vlib_node_runtime_t *node, dpdk_device_t *xd, u16 queue_id, vlib_buffer_t *buffer)
Definition: device.c:90
dpdk_pmd_t pmd
Definition: dpdk.h:173
format_function_t format_dpdk_device
Definition: dpdk.h:441
vlib_main_t vlib_node_runtime_t * node
Definition: in2out_ed.c:1599
void dpdk_device_stop(dpdk_device_t *xd)
Definition: common.c:194
struct rte_mbuf mb
Definition: dpdk.h:361
static char * dpdk_tx_func_error_strings[]
Definition: device.c:38
signed int i32
Definition: types.h:77
#define ASSERT(truth)
format_function_t format_dpdk_device_name
Definition: dpdk.h:440
VNET_DEVICE_CLASS(avf_device_class,)
manual_print typedef address
Definition: ip_types.api:85
u8 pre_data[VLIB_BUFFER_PRE_DATA_SIZE]
Space for inserting data before buffer start.
Definition: buffer.h:178
struct vnet_sub_interface_t::@327::@328::@330 flags
#define clib_error_report(e)
Definition: error.h:113
void dpdk_update_link_state(dpdk_device_t *xd, f64 now)
Definition: init.c:1517
dpdk_portid_t device_index
Definition: dpdk.h:162
static vlib_main_t * vlib_get_main(void)
Definition: global_funcs.h:23
vl_api_ip4_address_t hi
Definition: arp.api:37
static void * vlib_add_trace(vlib_main_t *vm, vlib_node_runtime_t *r, vlib_buffer_t *b, u32 n_data_bytes)
Definition: trace_funcs.h:55
vlib_buffer_t buffer
Definition: dpdk.h:363
#define UP_DOWN_FLAG_EVENT
Definition: device.c:617
struct rte_mbuf * mbufs[DPDK_RX_BURST_SZ]
Definition: dpdk.h:314
dpdk_tx_func_error_t
Definition: device.c:30
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
u32 next_buffer
Next buffer for this linked-list of buffers.
Definition: buffer.h:140
u8 admin_up_down_in_progress
Definition: dpdk.h:336
u32 instance
Definition: gre.api:51
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
#define VLIB_BUFFER_TRACE_TRAJECTORY_INIT(b)
Definition: buffer.h:492
struct rte_mempool ** dpdk_no_cache_mempool_by_buffer_pool_index
Definition: buffer.c:34
VLIB buffer representation.
Definition: buffer.h:102
u64 uword
Definition: types.h:112
static void * vlib_frame_vector_args(vlib_frame_t *f)
Get pointer to frame vector data.
Definition: node_funcs.h:244
static clib_error_t * dpdk_set_mac_address(vnet_hw_interface_t *hi, const u8 *old_address, const u8 *address)
Definition: device.c:68
u16 device_index
Definition: dpdk.h:359
VNET_DEVICE_CLASS_TX_FN() dpdk_device_class(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *f)
Definition: device.c:273
#define vnet_buffer(b)
Definition: buffer.h:417
vnet_flow_dev_ops_function_t dpdk_flow_ops_fn
Definition: dpdk.h:451
clib_error_t * vnet_sw_interface_set_flags(vnet_main_t *vnm, u32 sw_if_index, vnet_sw_interface_flags_t flags)
Definition: interface.c:507
static_always_inline __clib_unused void dpdk_prefetch_buffer(vlib_main_t *vm, struct rte_mbuf *mb)
Definition: device.c:221
#define VLIB_NODE_FLAG_TRACE
Definition: node.h:304
#define CLIB_CACHE_LINE_BYTES
Definition: cache.h:59
u8 queue_index
Definition: dpdk.h:360
vnet_main_t * vnet_main
Definition: dpdk.h:344
volatile u8 ref_count
Reference count for this buffer.
Definition: buffer.h:130
static vlib_buffer_t * vlib_get_buffer(vlib_main_t *vm, u32 buffer_index)
Translate buffer index into buffer pointer.
Definition: buffer_funcs.h:85
struct vnet_sub_interface_t::@327 eth
CLIB vectors are ubiquitous dynamically resized arrays with by user defined "headers".
vlib_main_t * vlib_main
Definition: dpdk.h:343
#define foreach_dpdk_tx_func_error
Definition: device.c:26