FD.io VPP  v20.01-48-g3e0dafb74
Vector Packet Processing
device.c
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1 /*
2  *------------------------------------------------------------------
3  * Copyright (c) 2017 Cisco and/or its affiliates.
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at:
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *------------------------------------------------------------------
16  */
17 
18 #define _GNU_SOURCE
19 #include <stdint.h>
20 #include <vnet/ethernet/ethernet.h>
21 #include <vnet/ip/ip4_packet.h>
22 #include <vnet/ip/ip6_packet.h>
24 #include <vnet/bonding/node.h>
25 #include <vppinfra/lb_hash_hash.h>
26 #include <vnet/ip/ip.h>
28 
29 #define foreach_bond_tx_error \
30  _(NONE, "no error") \
31  _(IF_DOWN, "interface down") \
32  _(NO_SLAVE, "no slave")
33 
34 typedef enum
35 {
36 #define _(f,s) BOND_TX_ERROR_##f,
38 #undef _
41 
42 static char *bond_tx_error_strings[] = {
43 #define _(n,s) s,
45 #undef _
46 };
47 
48 static u8 *
49 format_bond_tx_trace (u8 * s, va_list * args)
50 {
51  CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
52  CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
53  bond_packet_trace_t *t = va_arg (*args, bond_packet_trace_t *);
54  vnet_hw_interface_t *hw, *hw1;
55  vnet_main_t *vnm = vnet_get_main ();
56 
59  s = format (s, "src %U, dst %U, %s -> %s",
62  hw->name, hw1->name);
63 
64  return s;
65 }
66 
67 #ifndef CLIB_MARCH_VARIANT
68 u8 *
69 format_bond_interface_name (u8 * s, va_list * args)
70 {
71  u32 dev_instance = va_arg (*args, u32);
72  bond_main_t *bm = &bond_main;
73  bond_if_t *bif = pool_elt_at_index (bm->interfaces, dev_instance);
74 
75  s = format (s, "BondEthernet%lu", bif->id);
76 
77  return s;
78 }
79 #endif
80 
81 static __clib_unused clib_error_t *
83  struct vnet_hw_interface_t *bif_hw,
84  i32 l2_if_adjust)
85 {
86  bond_if_t *bif;
88  struct vnet_hw_interface_t *sif_hw;
89 
91  if (!bif)
92  return 0;
93 
94  if ((bif_hw->l2_if_count == 1) && (l2_if_adjust == 1))
95  {
96  /* Just added first L2 interface on this port */
97  vec_foreach (sw_if_index, bif->slaves)
98  {
99  sif_hw = vnet_get_sup_hw_interface (vnm, *sw_if_index);
100  ethernet_set_flags (vnm, sif_hw->hw_if_index,
102 
103  /* ensure all packets go to ethernet-input */
104  ethernet_set_rx_redirect (vnm, sif_hw, 1);
105  }
106  }
107  else if ((bif_hw->l2_if_count == 0) && (l2_if_adjust == -1))
108  {
109  /* Just removed last L2 subinterface on this port */
110  vec_foreach (sw_if_index, bif->slaves)
111  {
112  sif_hw = vnet_get_sup_hw_interface (vnm, *sw_if_index);
113 
114  /* Allow ip packets to go directly to ip4-input etc */
115  ethernet_set_rx_redirect (vnm, sif_hw, 0);
116  }
117  }
118 
119  return 0;
120 }
121 
122 static __clib_unused clib_error_t *
124  struct vnet_sw_interface_t *st, int is_add)
125 {
126  /* Nothing for now */
127  return 0;
128 }
129 
130 static clib_error_t *
132 {
133  vnet_hw_interface_t *hif = vnet_get_hw_interface (vnm, hw_if_index);
134  uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
135  bond_main_t *bm = &bond_main;
137 
138  bif->admin_up = is_up;
139  if (is_up && vec_len (bif->active_slaves))
142  return 0;
143 }
144 
145 static clib_error_t *
147  u8 is_add)
148 {
149  vnet_main_t *vnm = vnet_get_main ();
150  bond_if_t *bif;
151  clib_error_t *error = 0;
152  vnet_hw_interface_t *s_hi;
153  int i;
154 
155 
157  if (!bif)
158  {
159  return clib_error_return (0, "No bond master found for sw_if_index %u",
160  hi->sw_if_index);
161  }
162 
163  /* Add/del address on each slave hw intf, they control the hardware */
164  vec_foreach_index (i, bif->slaves)
165  {
166  s_hi = vnet_get_sup_hw_interface (vnm, vec_elt (bif->slaves, i));
168  address, is_add);
169 
170  if (error)
171  {
172  int j;
173 
174  /* undo any that were completed before the failure */
175  for (j = i - 1; j > -1; j--)
176  {
177  s_hi = vnet_get_sup_hw_interface (vnm, vec_elt (bif->slaves, j));
179  address, !(is_add));
180  }
181 
182  return error;
183  }
184  }
185 
186  return 0;
187 }
188 
191 {
192  u32 idx = ptd->per_port_queue[port].n_buffers++;
193  ptd->per_port_queue[port].buffers[idx] = bi;
194 }
195 
198  bond_if_t * bif, vlib_buffer_t * b0, uword n_slaves)
199 {
200  bond_main_t *bm = &bond_main;
201  vlib_buffer_t *c0;
202  int port;
204  u16 thread_index = vm->thread_index;
206  thread_index);
207 
208  for (port = 1; port < n_slaves; port++)
209  {
210  sw_if_index = *vec_elt_at_index (bif->active_slaves, port);
211  c0 = vlib_buffer_copy (vm, b0);
212  if (PREDICT_TRUE (c0 != 0))
213  {
214  vnet_buffer (c0)->sw_if_index[VLIB_TX] = sw_if_index;
215  bond_tx_add_to_queue (ptd, port, vlib_get_buffer_index (vm, c0));
216  }
217  }
218 
219  return 0;
220 }
221 
224 {
226  u64 *dst = (u64 *) & eth->dst_address[0];
227  u64 a = clib_mem_unaligned (dst, u64);
228  u32 *src = (u32 *) & eth->src_address[2];
229  u32 b = clib_mem_unaligned (src, u32);
230 
231  return lb_hash_hash_2_tuples (a, b);
232 }
233 
236 {
237  u16 *ethertype_p;
239 
240  if (!ethernet_frame_is_tagged (clib_net_to_host_u16 (eth->type)))
241  {
242  ethertype_p = &eth->type;
243  }
244  else
245  {
246  vlan = (void *) (eth + 1);
247  ethertype_p = &vlan->type;
248  if (*ethertype_p == ntohs (ETHERNET_TYPE_VLAN))
249  {
250  vlan++;
251  ethertype_p = &vlan->type;
252  }
253  }
254  return ethertype_p;
255 }
256 
259 {
261  u8 ip_version;
262  ip4_header_t *ip4;
263  u16 ethertype, *ethertype_p;
264  u32 *mac1, *mac2, *mac3;
265 
266  ethertype_p = bond_locate_ethertype (eth);
267  ethertype = clib_mem_unaligned (ethertype_p, u16);
268 
269  if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
270  (ethertype != htons (ETHERNET_TYPE_IP6)))
271  return bond_lb_l2 (b0);
272 
273  ip4 = (ip4_header_t *) (ethertype_p + 1);
274  ip_version = (ip4->ip_version_and_header_length >> 4);
275 
276  if (ip_version == 0x4)
277  {
278  u32 a, c;
279 
280  mac1 = (u32 *) & eth->dst_address[0];
281  mac2 = (u32 *) & eth->dst_address[4];
282  mac3 = (u32 *) & eth->src_address[2];
283 
284  a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^
285  clib_mem_unaligned (mac3, u32);
286  c =
288  a);
289  return c;
290  }
291  else if (ip_version == 0x6)
292  {
293  u64 a;
294  u32 c;
295  ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
296 
297  mac1 = (u32 *) & eth->dst_address[0];
298  mac2 = (u32 *) & eth->dst_address[4];
299  mac3 = (u32 *) & eth->src_address[2];
300 
301  a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^
302  clib_mem_unaligned (mac3, u32);
303  c =
305  (&ip6->src_address.as_uword[0], uword),
307  uword),
309  uword),
311  uword), a);
312  return c;
313  }
314  return bond_lb_l2 (b0);
315 }
316 
319 {
321  u8 ip_version;
322  uword is_tcp_udp;
323  ip4_header_t *ip4;
324  u16 ethertype, *ethertype_p;
325 
326  ethertype_p = bond_locate_ethertype (eth);
327  ethertype = clib_mem_unaligned (ethertype_p, u16);
328 
329  if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
330  (ethertype != htons (ETHERNET_TYPE_IP6)))
331  return (bond_lb_l2 (b0));
332 
333  ip4 = (ip4_header_t *) (ethertype_p + 1);
334  ip_version = (ip4->ip_version_and_header_length >> 4);
335 
336  if (ip_version == 0x4)
337  {
338  u32 a, t1, t2;
339  tcp_header_t *tcp = (void *) (ip4 + 1);
340 
341  is_tcp_udp = (ip4->protocol == IP_PROTOCOL_TCP) ||
342  (ip4->protocol == IP_PROTOCOL_UDP);
343  t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0;
344  t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0;
345  a = t1 ^ t2;
346  return
347  lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64),
348  a);
349  }
350  else if (ip_version == 0x6)
351  {
352  u64 a;
353  u32 c, t1, t2;
354  ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
355  tcp_header_t *tcp = (void *) (ip6 + 1);
356 
357  is_tcp_udp = 0;
358  if (PREDICT_TRUE ((ip6->protocol == IP_PROTOCOL_TCP) ||
359  (ip6->protocol == IP_PROTOCOL_UDP)))
360  {
361  is_tcp_udp = 1;
362  tcp = (void *) (ip6 + 1);
363  }
364  else if (ip6->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS)
365  {
367  (ip6_hop_by_hop_header_t *) (ip6 + 1);
368  if ((hbh->protocol == IP_PROTOCOL_TCP)
369  || (hbh->protocol == IP_PROTOCOL_UDP))
370  {
371  is_tcp_udp = 1;
372  tcp = (tcp_header_t *) ((u8 *) hbh + ((hbh->length + 1) << 3));
373  }
374  }
375  t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0;
376  t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0;
377  a = t1 ^ t2;
378  c =
379  lb_hash_hash (clib_mem_unaligned
380  (&ip6->src_address.as_uword[0], uword),
381  clib_mem_unaligned (&ip6->src_address.as_uword[1],
382  uword),
383  clib_mem_unaligned (&ip6->dst_address.as_uword[0],
384  uword),
385  clib_mem_unaligned (&ip6->dst_address.as_uword[1],
386  uword), a);
387  return c;
388  }
389 
390  return bond_lb_l2 (b0);
391 }
392 
395 {
396  bif->lb_rr_last_index++;
397  if (bif->lb_rr_last_index >= n_slaves)
398  bif->lb_rr_last_index = 0;
399 
400  return bif->lb_rr_last_index;
401 }
402 
405  u32 * h, u32 n_left, uword n_slaves, u32 lb_alg)
406 {
407  while (n_left >= 4)
408  {
409  // Prefetch next iteration
410  if (n_left >= 8)
411  {
412  vlib_buffer_t **pb = b + 4;
413 
414  vlib_prefetch_buffer_header (pb[0], LOAD);
415  vlib_prefetch_buffer_header (pb[1], LOAD);
416  vlib_prefetch_buffer_header (pb[2], LOAD);
417  vlib_prefetch_buffer_header (pb[3], LOAD);
418 
419  CLIB_PREFETCH (pb[0]->data, CLIB_CACHE_LINE_BYTES, LOAD);
420  CLIB_PREFETCH (pb[1]->data, CLIB_CACHE_LINE_BYTES, LOAD);
421  CLIB_PREFETCH (pb[2]->data, CLIB_CACHE_LINE_BYTES, LOAD);
422  CLIB_PREFETCH (pb[3]->data, CLIB_CACHE_LINE_BYTES, LOAD);
423  }
424 
429 
430  if (lb_alg == BOND_LB_L2)
431  {
432  h[0] = bond_lb_l2 (b[0]);
433  h[1] = bond_lb_l2 (b[1]);
434  h[2] = bond_lb_l2 (b[2]);
435  h[3] = bond_lb_l2 (b[3]);
436  }
437  else if (lb_alg == BOND_LB_L34)
438  {
439  h[0] = bond_lb_l34 (b[0]);
440  h[1] = bond_lb_l34 (b[1]);
441  h[2] = bond_lb_l34 (b[2]);
442  h[3] = bond_lb_l34 (b[3]);
443  }
444  else if (lb_alg == BOND_LB_L23)
445  {
446  h[0] = bond_lb_l23 (b[0]);
447  h[1] = bond_lb_l23 (b[1]);
448  h[2] = bond_lb_l23 (b[2]);
449  h[3] = bond_lb_l23 (b[3]);
450  }
451  else if (lb_alg == BOND_LB_RR)
452  {
453  h[0] = bond_lb_round_robin (bif, b[0], n_slaves);
454  h[1] = bond_lb_round_robin (bif, b[1], n_slaves);
455  h[2] = bond_lb_round_robin (bif, b[2], n_slaves);
456  h[3] = bond_lb_round_robin (bif, b[3], n_slaves);
457  }
458  else if (lb_alg == BOND_LB_BC)
459  {
460  h[0] = bond_lb_broadcast (vm, bif, b[0], n_slaves);
461  h[1] = bond_lb_broadcast (vm, bif, b[1], n_slaves);
462  h[2] = bond_lb_broadcast (vm, bif, b[2], n_slaves);
463  h[3] = bond_lb_broadcast (vm, bif, b[3], n_slaves);
464  }
465  else
466  {
467  ASSERT (0);
468  }
469 
470  n_left -= 4;
471  b += 4;
472  h += 4;
473  }
474 
475  while (n_left > 0)
476  {
478 
479  if (bif->lb == BOND_LB_L2)
480  h[0] = bond_lb_l2 (b[0]);
481  else if (bif->lb == BOND_LB_L34)
482  h[0] = bond_lb_l34 (b[0]);
483  else if (bif->lb == BOND_LB_L23)
484  h[0] = bond_lb_l23 (b[0]);
485  else if (bif->lb == BOND_LB_RR)
486  h[0] = bond_lb_round_robin (bif, b[0], n_slaves);
487  else if (bif->lb == BOND_LB_BC)
488  h[0] = bond_lb_broadcast (vm, bif, b[0], n_slaves);
489  else
490  {
491  ASSERT (0);
492  }
493 
494  n_left -= 1;
495  b += 1;
496  h += 1;
497  }
498 }
499 
501 bond_hash_to_port (u32 * h, u32 n_left, u32 n_slaves, int use_modulo_shortcut)
502 {
503  u32 mask = n_slaves - 1;
504 
505 #ifdef CLIB_HAVE_VEC256
506  /* only lower 16 bits of hash due to single precision fp arithmetic */
507  u32x8 mask8, sc8u, h8a, h8b;
508  f32x8 sc8f;
509 
510  if (use_modulo_shortcut)
511  {
512  mask8 = u32x8_splat (mask);
513  }
514  else
515  {
516  mask8 = u32x8_splat (0xffff);
517  sc8u = u32x8_splat (n_slaves);
518  sc8f = f32x8_from_u32x8 (sc8u);
519  }
520 
521  while (n_left > 16)
522  {
523  h8a = u32x8_load_unaligned (h) & mask8;
524  h8b = u32x8_load_unaligned (h + 8) & mask8;
525 
526  if (use_modulo_shortcut == 0)
527  {
528  h8a -= sc8u * u32x8_from_f32x8 (f32x8_from_u32x8 (h8a) / sc8f);
529  h8b -= sc8u * u32x8_from_f32x8 (f32x8_from_u32x8 (h8b) / sc8f);
530  }
531 
532  u32x8_store_unaligned (h8a, h);
533  u32x8_store_unaligned (h8b, h + 8);
534  n_left -= 16;
535  h += 16;
536  }
537 #endif
538 
539  while (n_left > 4)
540  {
541  if (use_modulo_shortcut)
542  {
543  h[0] &= mask;
544  h[1] &= mask;
545  h[2] &= mask;
546  h[3] &= mask;
547  }
548  else
549  {
550  h[0] %= n_slaves;
551  h[1] %= n_slaves;
552  h[2] %= n_slaves;
553  h[3] %= n_slaves;
554  }
555  n_left -= 4;
556  h += 4;
557  }
558  while (n_left)
559  {
560  if (use_modulo_shortcut)
561  h[0] &= mask;
562  else
563  h[0] %= n_slaves;
564  n_left -= 1;
565  h += 1;
566  }
567 }
568 
571  u32 * bi, vlib_buffer_t ** b, u32 * data, u32 n_left,
572  int single_sw_if_index)
573 {
574  u32 sw_if_index = data[0];
575  u32 *h = data;
576 
577  while (n_left >= 4)
578  {
579  // Prefetch next iteration
580  if (n_left >= 8)
581  {
582  vlib_buffer_t **pb = b + 4;
583  vlib_prefetch_buffer_header (pb[0], LOAD);
584  vlib_prefetch_buffer_header (pb[1], LOAD);
585  vlib_prefetch_buffer_header (pb[2], LOAD);
586  vlib_prefetch_buffer_header (pb[3], LOAD);
587  }
588 
589  if (PREDICT_FALSE (single_sw_if_index))
590  {
591  vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index;
592  vnet_buffer (b[1])->sw_if_index[VLIB_TX] = sw_if_index;
593  vnet_buffer (b[2])->sw_if_index[VLIB_TX] = sw_if_index;
594  vnet_buffer (b[3])->sw_if_index[VLIB_TX] = sw_if_index;
595 
596  bond_tx_add_to_queue (ptd, 0, bi[0]);
597  bond_tx_add_to_queue (ptd, 0, bi[1]);
598  bond_tx_add_to_queue (ptd, 0, bi[2]);
599  bond_tx_add_to_queue (ptd, 0, bi[3]);
600  }
601  else
602  {
603  u32 sw_if_index[4];
604 
605  sw_if_index[0] = *vec_elt_at_index (bif->active_slaves, h[0]);
606  sw_if_index[1] = *vec_elt_at_index (bif->active_slaves, h[1]);
607  sw_if_index[2] = *vec_elt_at_index (bif->active_slaves, h[2]);
608  sw_if_index[3] = *vec_elt_at_index (bif->active_slaves, h[3]);
609 
610  vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index[0];
611  vnet_buffer (b[1])->sw_if_index[VLIB_TX] = sw_if_index[1];
612  vnet_buffer (b[2])->sw_if_index[VLIB_TX] = sw_if_index[2];
613  vnet_buffer (b[3])->sw_if_index[VLIB_TX] = sw_if_index[3];
614 
615  bond_tx_add_to_queue (ptd, h[0], bi[0]);
616  bond_tx_add_to_queue (ptd, h[1], bi[1]);
617  bond_tx_add_to_queue (ptd, h[2], bi[2]);
618  bond_tx_add_to_queue (ptd, h[3], bi[3]);
619  }
620 
621  bi += 4;
622  h += 4;
623  b += 4;
624  n_left -= 4;
625  }
626  while (n_left)
627  {
628  if (PREDICT_FALSE (single_sw_if_index))
629  {
630  vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index;
631  bond_tx_add_to_queue (ptd, 0, bi[0]);
632  }
633  else
634  {
635  u32 sw_if_index0 = *vec_elt_at_index (bif->active_slaves, h[0]);
636 
637  vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index0;
638  bond_tx_add_to_queue (ptd, h[0], bi[0]);
639  }
640 
641  bi += 1;
642  h += 1;
643  b += 1;
644  n_left -= 1;
645  }
646 }
647 
650  vlib_buffer_t ** b, u32 n_left, u32 * h)
651 {
652  uword n_trace = vlib_get_trace_count (vm, node);
653 
654  while (n_trace > 0 && n_left > 0)
655  {
657  ethernet_header_t *eth;
658  u32 next0 = 0;
659 
660  vlib_trace_buffer (vm, node, next0, b[0], 0 /* follow_chain */ );
661  vlib_set_trace_count (vm, node, --n_trace);
662  t0 = vlib_add_trace (vm, node, b[0], sizeof (*t0));
663  eth = vlib_buffer_get_current (b[0]);
664  t0->ethernet = *eth;
665  t0->sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX];
666  if (!h)
667  {
669  }
670  else
671  {
672  t0->bond_sw_if_index = *vec_elt_at_index (bif->active_slaves, h[0]);
673  h++;
674  }
675  b++;
676  n_left--;
677  }
678 }
679 
683 {
684  vnet_interface_output_runtime_t *rund = (void *) node->runtime_data;
685  bond_main_t *bm = &bond_main;
686  u16 thread_index = vm->thread_index;
687  bond_if_t *bif = pool_elt_at_index (bm->interfaces, rund->dev_instance);
688  uword n_slaves;
690  u32 *from = vlib_frame_vector_args (frame);
691  u32 n_left = frame->n_vectors;
692  u32 hashes[VLIB_FRAME_SIZE], *h;
693  vnet_main_t *vnm = vnet_get_main ();
694  bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
695  thread_index);
696  u32 p, sw_if_index;
697 
698  if (PREDICT_FALSE (bif->admin_up == 0))
699  {
703  thread_index, bif->sw_if_index,
704  frame->n_vectors);
705  vlib_error_count (vm, node->node_index, BOND_TX_ERROR_IF_DOWN,
706  frame->n_vectors);
707  return frame->n_vectors;
708  }
709 
710  n_slaves = vec_len (bif->active_slaves);
711  if (PREDICT_FALSE (n_slaves == 0))
712  {
716  thread_index, bif->sw_if_index,
717  frame->n_vectors);
718  vlib_error_count (vm, node->node_index, BOND_TX_ERROR_NO_SLAVE,
719  frame->n_vectors);
720  return frame->n_vectors;
721  }
722 
723  vlib_get_buffers (vm, from, bufs, n_left);
724 
725  /* active-backup mode, ship everything to first sw if index */
726  if ((bif->lb == BOND_LB_AB) || PREDICT_FALSE (n_slaves == 1))
727  {
728  sw_if_index = *vec_elt_at_index (bif->active_slaves, 0);
729 
730  bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, 0);
731  bond_update_sw_if_index (ptd, bif, from, bufs, &sw_if_index, n_left,
732  /* single_sw_if_index */ 1);
733  goto done;
734  }
735 
736  if (bif->lb == BOND_LB_BC)
737  {
738  sw_if_index = *vec_elt_at_index (bif->active_slaves, 0);
739 
740  bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_BC);
741  bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, 0);
742  bond_update_sw_if_index (ptd, bif, from, bufs, &sw_if_index, n_left,
743  /* single_sw_if_index */ 1);
744  goto done;
745  }
746 
747  /* if have at least one slave on local numa node, only slaves on local numa
748  node will transmit pkts when bif->local_numa_only is enabled */
749  if (bif->n_numa_slaves >= 1)
750  n_slaves = bif->n_numa_slaves;
751 
752  if (bif->lb == BOND_LB_L2)
753  bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_L2);
754  else if (bif->lb == BOND_LB_L34)
755  bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_L34);
756  else if (bif->lb == BOND_LB_L23)
757  bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_L23);
758  else if (bif->lb == BOND_LB_RR)
759  bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_RR);
760  else
761  ASSERT (0);
762 
763  /* calculate port out of hash */
764  h = hashes;
765  if (BOND_MODULO_SHORTCUT (n_slaves))
766  bond_hash_to_port (h, frame->n_vectors, n_slaves, 1);
767  else
768  bond_hash_to_port (h, frame->n_vectors, n_slaves, 0);
769 
770  bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, h);
771 
772  bond_update_sw_if_index (ptd, bif, from, bufs, hashes, frame->n_vectors,
773  /* single_sw_if_index */ 0);
774 
775 done:
776  for (p = 0; p < n_slaves; p++)
777  {
778  vlib_frame_t *f;
779  u32 *to_next;
780 
781  sw_if_index = *vec_elt_at_index (bif->active_slaves, p);
782  if (PREDICT_TRUE (ptd->per_port_queue[p].n_buffers))
783  {
784  f = vnet_get_frame_to_sw_interface (vnm, sw_if_index);
785  f->n_vectors = ptd->per_port_queue[p].n_buffers;
786  to_next = vlib_frame_vector_args (f);
787  clib_memcpy_fast (to_next, ptd->per_port_queue[p].buffers,
788  f->n_vectors * sizeof (u32));
789  vnet_put_frame_to_sw_interface (vnm, sw_if_index, f);
790  ptd->per_port_queue[p].n_buffers = 0;
791  }
792  }
793  return frame->n_vectors;
794 }
795 
796 static walk_rc_t
798  void *arg)
799 {
800  bond_main_t *bm = &bond_main;
801 
802  ip_neighbor_advertise (bm->vlib_main, IP46_TYPE_BOTH, NULL, sw_if_index);
803 
804  return (WALK_CONTINUE);
805 }
806 
807 static uword
809 {
810  vnet_main_t *vnm = vnet_get_main ();
811  uword event_type, *event_data = 0;
812 
813  while (1)
814  {
815  u32 i;
817 
819  event_type = vlib_process_get_events (vm, &event_data);
820  ASSERT (event_type == BOND_SEND_GARP_NA);
821  for (i = 0; i < vec_len (event_data); i++)
822  {
823  hw_if_index = event_data[i];
824  if (vnet_get_hw_interface_or_null (vnm, hw_if_index))
825  /* walk hw interface to process all subinterfaces */
826  vnet_hw_interface_walk_sw (vnm, hw_if_index,
828  }
829  vec_reset_length (event_data);
830  }
831  return 0;
832 }
833 
834 /* *INDENT-OFF* */
836  .function = bond_process,
838  .type = VLIB_NODE_TYPE_PROCESS,
839  .name = "bond-process",
840 };
841 /* *INDENT-ON* */
842 
843 /* *INDENT-OFF* */
845  .name = "bond",
846  .tx_function_n_errors = BOND_TX_N_ERROR,
847  .tx_function_error_strings = bond_tx_error_strings,
848  .format_device_name = format_bond_interface_name,
849  .set_l2_mode_function = bond_set_l2_mode_function,
850  .admin_up_down_function = bond_interface_admin_up_down,
851  .subif_add_del_function = bond_subif_add_del_function,
852  .format_tx_trace = format_bond_tx_trace,
853  .mac_addr_add_del_function = bond_add_del_mac_address,
854 };
855 
856 /* *INDENT-ON* */
857 
858 static clib_error_t *
860 {
861  bond_main_t *bm = &bond_main;
862  slave_if_t *sif;
863  bond_detach_slave_args_t args = { 0 };
864 
865  if (is_add)
866  return 0;
867  sif = bond_get_slave_by_sw_if_index (sw_if_index);
868  if (!sif)
869  return 0;
870  args.slave = sw_if_index;
871  bond_detach_slave (bm->vlib_main, &args);
872  return args.error;
873 }
874 
876 
877 /*
878  * fd.io coding-style-patch-verification: ON
879  *
880  * Local Variables:
881  * eval: (c-set-style "gnu")
882  * End:
883  */
VNET_DEVICE_CLASS_TX_FN() bond_dev_class(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: device.c:680
#define vec_foreach_index(var, v)
Iterate over vector indices.
u32 hw_if_index
Definition: node.h:183
vlib_node_registration_t bond_process_node
(constructor) VLIB_REGISTER_NODE (bond_process_node)
Definition: device.c:835
#define CLIB_UNUSED(x)
Definition: clib.h:82
static __clib_unused clib_error_t * bond_set_l2_mode_function(vnet_main_t *vnm, struct vnet_hw_interface_t *bif_hw, i32 l2_if_adjust)
Definition: device.c:82
static u32 vlib_get_trace_count(vlib_main_t *vm, vlib_node_runtime_t *rt)
Definition: trace_funcs.h:187
a
Definition: bitmap.h:538
static void vlib_buffer_free(vlib_main_t *vm, u32 *buffers, u32 n_buffers)
Free buffers Frees the entire buffer chain for each buffer.
Definition: buffer_funcs.h:890
static uword * vlib_process_wait_for_event(vlib_main_t *vm)
Definition: node_funcs.h:593
vnet_main_t * vnet_get_main(void)
Definition: misc.c:46
static vnet_hw_interface_t * vnet_get_sup_hw_interface(vnet_main_t *vnm, u32 sw_if_index)
u8 lb
Definition: node.h:172
vnet_interface_main_t interface_main
Definition: vnet.h:56
#define PREDICT_TRUE(x)
Definition: clib.h:112
unsigned long u64
Definition: types.h:89
u32 buffers[VLIB_FRAME_SIZE]
Definition: node.h:159
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 bond_if_t * bond_get_master_by_sw_if_index(u32 sw_if_index)
Definition: node.h:502
void vnet_hw_interface_walk_sw(vnet_main_t *vnm, u32 hw_if_index, vnet_hw_sw_interface_walk_t fn, void *ctx)
Walk the SW interfaces on a HW interface - this is the super interface and any sub-interfaces.
Definition: interface.c:1043
#define NULL
Definition: clib.h:58
#define VLIB_NODE_FLAG_TRACE_SUPPORTED
Definition: node.h:306
u8 src_address[6]
Definition: packet.h:56
static vnet_hw_interface_t * vnet_get_hw_interface(vnet_main_t *vnm, u32 hw_if_index)
u32 thread_index
Definition: main.h:218
vl_api_address_t src
Definition: gre.api:60
int i
bond_main_t bond_main
Definition: node.c:25
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:424
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
static_always_inline u32 lb_hash_hash_2_tuples(u64 k0, u32 k1)
Definition: lb_hash_hash.h:54
#define BOND_MODULO_SHORTCUT(a)
Definition: node.h:34
u32 id
Definition: node.h:181
struct _tcp_header tcp_header_t
ip6_address_t src_address
Definition: ip6_packet.h:307
unsigned char u8
Definition: types.h:56
bond_per_thread_data_t * per_thread_data
Definition: node.h:386
static vlib_buffer_t * vlib_buffer_copy(vlib_main_t *vm, vlib_buffer_t *b)
Definition: buffer_funcs.h:989
uword as_uword[16/sizeof(uword)]
Definition: ip6_packet.h:52
#define vec_reset_length(v)
Reset vector length to zero NULL-pointer tolerant.
static void vlib_trace_buffer(vlib_main_t *vm, vlib_node_runtime_t *r, u32 next_index, vlib_buffer_t *b, int follow_chain)
Definition: trace_funcs.h:130
enum walk_rc_t_ walk_rc_t
Walk return code.
#define static_always_inline
Definition: clib.h:99
u8 * format_ethernet_address(u8 *s, va_list *args)
Definition: format.c:44
vl_api_interface_index_t sw_if_index
Definition: gre.api:59
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
u8 dst_address[6]
Definition: packet.h:55
#define vlib_prefetch_buffer_header(b, type)
Prefetch buffer metadata.
Definition: buffer.h:203
#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_main_t * vlib_main
Definition: node.h:376
static_always_inline u32 bond_lb_l23(vlib_buffer_t *b0)
Definition: device.c:258
#define VNET_DEVICE_CLASS_TX_FN(devclass)
Definition: interface.h:305
unsigned int u32
Definition: types.h:88
u32 lb_rr_last_index
Definition: node.h:175
#define VLIB_FRAME_SIZE
Definition: node.h:378
static u32 vlib_get_buffer_index(vlib_main_t *vm, void *p)
Translate buffer pointer into buffer index.
Definition: buffer_funcs.h:257
void ethernet_set_rx_redirect(vnet_main_t *vnm, vnet_hw_interface_t *hi, u32 enable)
Definition: node.c:2153
VNET_SW_INTERFACE_ADD_DEL_FUNCTION(bond_slave_interface_add_del)
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
Definition: pool.h:519
u8 admin_up
Definition: node.h:170
static_always_inline u16 * bond_locate_ethertype(ethernet_header_t *eth)
Definition: device.c:235
unsigned short u16
Definition: types.h:57
static_always_inline u32 bond_lb_l2(vlib_buffer_t *b0)
Definition: device.c:223
static void * vlib_buffer_get_current(vlib_buffer_t *b)
Get pointer to current data to process.
Definition: buffer.h:229
#define foreach_bond_tx_error
Definition: device.c:29
ip4_address_pair_t address_pair
Definition: ip4_packet.h:172
#define PREDICT_FALSE(x)
Definition: clib.h:111
vnet_main_t vnet_main
Definition: misc.c:43
vlib_simple_counter_main_t * sw_if_counters
Definition: interface.h:862
static char * bond_tx_error_strings[]
Definition: device.c:42
vl_api_address_t dst
Definition: gre.api:61
bond_if_t * interfaces
Definition: node.h:364
vlib_main_t * vm
Definition: in2out_ed.c:1810
void bond_detach_slave(vlib_main_t *vm, bond_detach_slave_args_t *args)
Definition: cli.c:827
u8 ip6[16]
Definition: one.api:477
#define VLIB_REGISTER_NODE(x,...)
Definition: node.h:169
u32 flags
Definition: vhost_user.h:141
u32 * slaves
Definition: node.h:187
svmdb_client_t * c
u16 n_vectors
Definition: node.h:397
static void vnet_put_frame_to_sw_interface(vnet_main_t *vnm, u32 sw_if_index, vlib_frame_t *f)
#define CLIB_PREFETCH(addr, size, type)
Definition: cache.h:80
ethernet_header_t ethernet
Definition: node.h:394
#define ETHERNET_INTERFACE_FLAG_ACCEPT_ALL
Definition: ethernet.h:141
static_always_inline u32 bond_lb_broadcast(vlib_main_t *vm, bond_if_t *bif, vlib_buffer_t *b0, uword n_slaves)
Definition: device.c:197
static u8 * format_bond_tx_trace(u8 *s, va_list *args)
Definition: device.c:49
vlib_main_t vlib_node_runtime_t * node
Definition: in2out_ed.c:1810
signed int i32
Definition: types.h:77
static_always_inline u32 bond_lb_l34(vlib_buffer_t *b0)
Definition: device.c:318
#define ASSERT(truth)
static_always_inline void bond_hash_to_port(u32 *h, u32 n_left, u32 n_slaves, int use_modulo_shortcut)
Definition: device.c:501
manual_print typedef address
Definition: ip_types.api:84
u8 data[128]
Definition: ipsec_types.api:87
static walk_rc_t bond_active_interface_switch_cb(vnet_main_t *vnm, u32 sw_if_index, void *arg)
Definition: device.c:797
static_always_inline int ethernet_frame_is_tagged(u16 type)
Definition: ethernet.h:78
static_always_inline void bond_tx_trace(vlib_main_t *vm, vlib_node_runtime_t *node, bond_if_t *bif, vlib_buffer_t **b, u32 n_left, u32 *h)
Definition: device.c:649
u32 * active_slaves
Definition: node.h:190
#define clib_mem_unaligned(pointer, type)
Definition: types.h:155
static vlib_frame_t * vnet_get_frame_to_sw_interface(vnet_main_t *vnm, u32 sw_if_index)
vl_api_ip4_address_t hi
Definition: arp.api:37
static_always_inline void bond_tx_add_to_queue(bond_per_thread_data_t *ptd, u32 port, u32 bi)
Definition: device.c:190
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
clib_error_t * error
Definition: node.h:111
#define vec_elt(v, i)
Get vector value at index i.
static_always_inline u32x8 u32x8_from_f32x8(f32x8 v)
Definition: vector_avx2.h:196
Definition: defs.h:47
u8 * format_bond_interface_name(u8 *s, va_list *args)
Definition: device.c:69
static_always_inline void bond_update_sw_if_index(bond_per_thread_data_t *ptd, bond_if_t *bif, u32 *bi, vlib_buffer_t **b, u32 *data, u32 n_left, int single_sw_if_index)
Definition: device.c:570
bond_tx_error_t
Definition: device.c:34
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
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
#define VLIB_BUFFER_TRACE_TRAJECTORY_INIT(b)
Definition: buffer.h:492
void ip_neighbor_advertise(vlib_main_t *vm, ip46_type_t type, const ip46_address_t *addr, u32 sw_if_index)
Definition: ip_neighbor.c:979
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
u16 port
Definition: lb_types.api:72
static clib_error_t * bond_slave_interface_add_del(vnet_main_t *vnm, u32 sw_if_index, u32 is_add)
Definition: device.c:859
#define vnet_buffer(b)
Definition: buffer.h:408
static vnet_hw_interface_t * vnet_get_hw_interface_or_null(vnet_main_t *vnm, u32 hw_if_index)
static __clib_unused clib_error_t * bond_subif_add_del_function(vnet_main_t *vnm, u32 hw_if_index, struct vnet_sw_interface_t *st, int is_add)
Definition: device.c:123
#define vec_foreach(var, vec)
Vector iterator.
static_always_inline u32 lb_hash_hash(u64 k0, u64 k1, u64 k2, u64 k3, u64 k4)
Definition: lb_hash_hash.h:46
vlib_main_t vlib_node_runtime_t vlib_frame_t * frame
Definition: in2out_ed.c:1811
clib_error_t * vnet_hw_interface_add_del_mac_address(vnet_main_t *vnm, u32 hw_if_index, const u8 *mac_address, u8 is_add)
Definition: interface.c:1450
u8 ip_version_and_header_length
Definition: ip4_packet.h:138
u32 ip4
Definition: one.api:440
static slave_if_t * bond_get_slave_by_sw_if_index(u32 sw_if_index)
Definition: node.h:524
static void vlib_set_trace_count(vlib_main_t *vm, vlib_node_runtime_t *rt, u32 count)
Definition: trace_funcs.h:203
static_always_inline void vlib_get_buffers(vlib_main_t *vm, u32 *bi, vlib_buffer_t **b, int count)
Translate array of buffer indices into buffer pointers.
Definition: buffer_funcs.h:244
u32 bond_sw_if_index
Definition: node.h:396
static_always_inline u32 bond_lb_round_robin(bond_if_t *bif, vlib_buffer_t *b0, uword n_slaves)
Definition: device.c:394
#define CLIB_CACHE_LINE_BYTES
Definition: cache.h:59
static clib_error_t * bond_interface_admin_up_down(vnet_main_t *vnm, u32 hw_if_index, u32 flags)
Definition: device.c:131
static_always_inline f32x8 f32x8_from_u32x8(u32x8 v)
Definition: vector_avx2.h:190
ip6_address_t dst_address
Definition: ip6_packet.h:307
bond_per_port_queue_t * per_port_queue
Definition: node.h:165
static_always_inline void bond_tx_inline(vlib_main_t *vm, bond_if_t *bif, vlib_buffer_t **b, u32 *h, u32 n_left, uword n_slaves, u32 lb_alg)
Definition: device.c:404
u32 ethernet_set_flags(vnet_main_t *vnm, u32 hw_if_index, u32 flags)
Definition: interface.c:426
static uword bond_process(vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)
Definition: device.c:808
static clib_error_t * bond_add_del_mac_address(vnet_hw_interface_t *hi, const u8 *address, u8 is_add)
Definition: device.c:146
VNET_DEVICE_CLASS(avf_device_class,)