FD.io VPP  v17.10-9-gd594711
Vector Packet Processing
pppoe.c
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1 /*
2  *------------------------------------------------------------------
3  * Copyright (c) 2017 Intel 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 #include <stdint.h>
18 #include <net/if.h>
19 #include <sys/ioctl.h>
20 #include <inttypes.h>
21 
22 #include <vlib/vlib.h>
23 #include <vlib/unix/unix.h>
24 #include <vnet/ethernet/ethernet.h>
25 #include <vnet/fib/fib_entry.h>
26 #include <vnet/fib/fib_table.h>
28 #include <vnet/plugin/plugin.h>
29 #include <vpp/app/version.h>
30 #include <vnet/ppp/packet.h>
31 #include <pppoe/pppoe.h>
32 #include <vnet/adj/adj_midchain.h>
33 #include <vnet/adj/adj_mcast.h>
34 
35 #include <vppinfra/hash.h>
37 
39 
40 u8 *
41 format_pppoe_session (u8 * s, va_list * args)
42 {
43  pppoe_session_t *t = va_arg (*args, pppoe_session_t *);
44  pppoe_main_t *pem = &pppoe_main;
45 
46  s = format (s, "[%d] sw-if-index %d client-ip %U session-id %d ",
47  t - pem->sessions, t->sw_if_index,
49  t->session_id);
50 
51  s = format (s, "encap-if-index %d decap-fib-index %d\n",
53 
54  s = format (s, " local-mac %U client-mac %U",
57 
58  return s;
59 }
60 
61 static u8 *
62 format_pppoe_name (u8 * s, va_list * args)
63 {
64  u32 dev_instance = va_arg (*args, u32);
65  return format (s, "pppoe_session%d", dev_instance);
66 }
67 
68 static uword
70  vlib_node_runtime_t * node, vlib_frame_t * frame)
71 {
72  clib_warning ("you shouldn't be here, leaking buffers...");
73  return frame->n_vectors;
74 }
75 
76 static clib_error_t *
78 {
79  u32 hw_flags = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ?
81  vnet_hw_interface_set_flags (vnm, hw_if_index, hw_flags);
82 
83  return /* no error */ 0;
84 }
85 
86 /* *INDENT-OFF* */
87 VNET_DEVICE_CLASS (pppoe_device_class,static) = {
88  .name = "PPPPOE",
89  .format_device_name = format_pppoe_name,
90  .tx_function = dummy_interface_tx,
91  .admin_up_down_function = pppoe_interface_admin_up_down,
92 };
93 /* *INDENT-ON* */
94 
95 static u8 *
96 format_pppoe_header_with_length (u8 * s, va_list * args)
97 {
98  u32 dev_instance = va_arg (*args, u32);
99  s = format (s, "unimplemented dev %u", dev_instance);
100  return s;
101 }
102 
103 static u8 *
105  u32 sw_if_index,
106  vnet_link_t link_type, const void *dst_address)
107 {
108  int len = sizeof (pppoe_header_t) + sizeof (ethernet_header_t);
109  pppoe_main_t *pem = &pppoe_main;
110  pppoe_session_t *t;
111  u32 session_id;
112  u8 *rw = 0;
113 
114  session_id = pem->session_index_by_sw_if_index[sw_if_index];
115  t = pool_elt_at_index (pem->sessions, session_id);
116 
118 
119  ethernet_header_t *eth_hdr = (ethernet_header_t *) rw;
120  clib_memcpy (eth_hdr->dst_address, t->client_mac, 6);
121  clib_memcpy (eth_hdr->src_address, t->local_mac, 6);
122  eth_hdr->type = clib_host_to_net_u16 (ETHERNET_TYPE_PPPOE_SESSION);
123 
124  pppoe_header_t *pppoe = (pppoe_header_t *) (eth_hdr + 1);
125  pppoe->ver_type = PPPOE_VER_TYPE;
126  pppoe->code = 0;
127  pppoe->session_id = clib_host_to_net_u16 (t->session_id);
128  pppoe->length = 0; /* To be filled in at run-time */
129 
130  switch (link_type)
131  {
132  case VNET_LINK_IP4:
133  pppoe->ppp_proto = clib_host_to_net_u16 (PPP_PROTOCOL_ip4);
134  break;
135  case VNET_LINK_IP6:
136  pppoe->ppp_proto = clib_host_to_net_u16 (PPP_PROTOCOL_ip6);
137  break;
138  default:
139  break;
140  }
141 
142  return rw;
143 }
144 
145 /**
146  * @brief Fixup the adj rewrite post encap. Insert the packet's length
147  */
148 static void
150 {
151  pppoe_header_t *pppoe0;
152 
153  pppoe0 = vlib_buffer_get_current (b0);
154 
155  pppoe0->length = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0)
156  - sizeof (pppoe_header_t)
157  - sizeof (ethernet_header_t));
158 }
159 
160 static void
161 pppoe_update_adj (vnet_main_t * vnm, u32 sw_if_index, adj_index_t ai)
162 {
163  pppoe_main_t *pem = &pppoe_main;
164  dpo_id_t dpo = DPO_INVALID;
165  ip_adjacency_t *adj;
166  pppoe_session_t *t;
167  u32 session_id;
168 
169  ASSERT (ADJ_INDEX_INVALID != ai);
170 
171  adj = adj_get (ai);
172 
173  switch (adj->lookup_next_index)
174  {
175  case IP_LOOKUP_NEXT_ARP:
179  pppoe_build_rewrite (vnm,
180  sw_if_index,
181  adj->ia_link,
182  NULL));
183  break;
185  /*
186  * Construct a partial rewrite from the known ethernet mcast dest MAC
187  * There's no MAC fixup, so the last 2 parameters are 0
188  */
191  pppoe_build_rewrite (vnm,
192  sw_if_index,
193  adj->ia_link,
194  NULL), 0, 0);
195  break;
196 
197  case IP_LOOKUP_NEXT_DROP:
198  case IP_LOOKUP_NEXT_PUNT:
204  case IP_LOOKUP_N_NEXT:
205  ASSERT (0);
206  break;
207  }
208 
209  session_id = pem->session_index_by_sw_if_index[sw_if_index];
210  t = pool_elt_at_index (pem->sessions, session_id);
212  t->encap_if_index, &dpo);
213 
214  adj_nbr_midchain_stack (ai, &dpo);
215 
216  dpo_reset (&dpo);
217 }
218 
219 /* *INDENT-OFF* */
220 VNET_HW_INTERFACE_CLASS (pppoe_hw_class) =
221 {
222  .name = "PPPPOE",
223  .format_header = format_pppoe_header_with_length,
224  .build_rewrite = pppoe_build_rewrite,
225  .update_adjacency = pppoe_update_adj,
227 };
228 /* *INDENT-ON* */
229 
230 #define foreach_copy_field \
231 _(session_id) \
232 _(encap_if_index) \
233 _(decap_fib_index) \
234 _(client_ip)
235 
236 static bool
238  u32 decap_fib_index)
239 {
240  vlib_main_t *vm = pem->vlib_main;
241  u32 input_idx = (!is_ip6) ? ip4_input_node.index : ip6_input_node.index;
242  vlib_node_runtime_t *r = vlib_node_get_runtime (vm, input_idx);
243 
244  return decap_fib_index < r->n_next_nodes;
245 }
246 
249 {
250  pppoe_main_t *pem = &pppoe_main;
251  pppoe_session_t *t = 0;
252  vnet_main_t *vnm = pem->vnet_main;
253  u32 hw_if_index = ~0;
254  u32 sw_if_index = ~0;
255  u32 is_ip6 = a->is_ip6;
256  pppoe_entry_key_t cached_key;
257  pppoe_entry_result_t cached_result;
258  u32 bucket;
259  pppoe_entry_key_t key;
260  pppoe_entry_result_t result;
263  fib_prefix_t pfx;
264 
265  cached_key.raw = ~0;
266  cached_result.raw = ~0; /* warning be gone */
267  memset (&pfx, 0, sizeof (pfx));
268 
269  if (!is_ip6)
270  {
271  pfx.fp_addr.ip4.as_u32 = a->client_ip.ip4.as_u32;
272  pfx.fp_len = 32;
274  }
275  else
276  {
277  pfx.fp_addr.ip6.as_u64[0] = a->client_ip.ip6.as_u64[0];
278  pfx.fp_addr.ip6.as_u64[1] = a->client_ip.ip6.as_u64[1];
279  pfx.fp_len = 128;
281  }
282 
283  /* Get encap_if_index and local mac address */
284  pppoe_lookup_1 (&pem->session_table, &cached_key, &cached_result,
285  a->client_mac, clib_host_to_net_u16 (a->session_id),
286  &key, &bucket, &result);
287  a->encap_if_index = result.fields.sw_if_index;
288 
289  if (a->encap_if_index == ~0)
290  return VNET_API_ERROR_INVALID_SW_IF_INDEX;
291 
292  si = vnet_get_sw_interface (vnm, a->encap_if_index);
293  hi = vnet_get_hw_interface (vnm, si->hw_if_index);
294 
295 
296  if (a->is_add)
297  {
298  /* adding a session: session must not already exist */
299  if (result.fields.session_index != ~0)
300  return VNET_API_ERROR_TUNNEL_EXIST;
301 
302  /*if not set explicitly, default to ip4 */
303  if (!pppoe_decap_next_is_valid (pem, is_ip6, a->decap_fib_index))
304  return VNET_API_ERROR_INVALID_DECAP_NEXT;
305 
307  memset (t, 0, sizeof (*t));
308 
309  clib_memcpy (t->local_mac, hi->hw_address, 6);
310 
311  /* copy from arg structure */
312 #define _(x) t->x = a->x;
314 #undef _
315 
316  clib_memcpy (t->client_mac, a->client_mac, 6);
317 
318  /* update pppoe fib with session_index */
319  result.fields.session_index = t - pem->sessions;
320  pppoe_update_1 (&pem->session_table,
321  a->client_mac, clib_host_to_net_u16 (a->session_id),
322  &key, &bucket, &result);
323 
326  {
328  hw_if_index = pem->free_pppoe_session_hw_if_indices
330  _vec_len (pem->free_pppoe_session_hw_if_indices) -= 1;
331 
332  hi = vnet_get_hw_interface (vnm, hw_if_index);
333  hi->dev_instance = t - pem->sessions;
334  hi->hw_instance = hi->dev_instance;
335 
336  /* clear old stats of freed session before reuse */
337  sw_if_index = hi->sw_if_index;
341  sw_if_index);
344  sw_if_index);
347  sw_if_index);
349  }
350  else
351  {
352  hw_if_index = vnet_register_interface
353  (vnm, pppoe_device_class.index, t - pem->sessions,
354  pppoe_hw_class.index, t - pem->sessions);
355  hi = vnet_get_hw_interface (vnm, hw_if_index);
356  }
357 
358  t->hw_if_index = hw_if_index;
359  t->sw_if_index = sw_if_index = hi->sw_if_index;
360 
362  ~0);
363  pem->session_index_by_sw_if_index[sw_if_index] = t - pem->sessions;
364 
365  vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
367  vnet_sw_interface_set_flags (vnm, sw_if_index,
369 
370  /* add reverse route for client ip */
374  &pfx.fp_addr, sw_if_index, ~0,
376 
377  }
378  else
379  {
380  /* deleting a session: session must exist */
381  if (result.fields.session_index == ~0)
382  return VNET_API_ERROR_NO_SUCH_ENTRY;
383 
384  t = pool_elt_at_index (pem->sessions, result.fields.session_index);
385  sw_if_index = t->sw_if_index;
386 
387  vnet_sw_interface_set_flags (vnm, t->sw_if_index, 0 /* down */ );
390 
392 
394 
395  /* update pppoe fib with session_inde=~0x */
396  result.fields.session_index = ~0;
397  pppoe_update_1 (&pem->session_table,
398  a->client_mac, clib_host_to_net_u16 (a->session_id),
399  &key, &bucket, &result);
400 
401 
402  /* delete reverse route for client ip */
406  &pfx.fp_addr,
407  sw_if_index, ~0, 1,
409 
410  pool_put (pem->sessions, t);
411  }
412 
413  if (sw_if_indexp)
414  *sw_if_indexp = sw_if_index;
415 
416  return 0;
417 }
418 
419 static clib_error_t *
421  unformat_input_t * input,
422  vlib_cli_command_t * cmd)
423 {
424  unformat_input_t _line_input, *line_input = &_line_input;
425  u16 session_id = 0;
426  ip46_address_t client_ip;
427  u8 is_add = 1;
428  u8 client_ip_set = 0;
429  u8 ipv4_set = 0;
430  u8 ipv6_set = 0;
431  u32 encap_if_index = 0;
432  u32 decap_fib_index = 0;
433  u8 client_mac[6] = { 0 };
434  u8 client_mac_set = 0;
435  int rv;
436  u32 tmp;
438  u32 session_sw_if_index;
439  clib_error_t *error = NULL;
440 
441  /* Cant "universally zero init" (={0}) due to GCC bug 53119 */
442  memset (&client_ip, 0, sizeof client_ip);
443 
444  /* Get a line of input. */
445  if (!unformat_user (input, unformat_line_input, line_input))
446  return 0;
447 
448  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
449  {
450  if (unformat (line_input, "del"))
451  {
452  is_add = 0;
453  }
454  else if (unformat (line_input, "session-id %d", &session_id))
455  ;
456  else if (unformat (line_input, "client-ip %U",
457  unformat_ip4_address, &client_ip.ip4))
458  {
459  client_ip_set = 1;
460  ipv4_set = 1;
461  }
462  else if (unformat (line_input, "client-ip %U",
463  unformat_ip6_address, &client_ip.ip6))
464  {
465  client_ip_set = 1;
466  ipv6_set = 1;
467  }
468  else if (unformat (line_input, "decap-vrf-id %d", &tmp))
469  {
470  if (ipv6_set)
471  decap_fib_index = fib_table_find (FIB_PROTOCOL_IP6, tmp);
472  else
473  decap_fib_index = fib_table_find (FIB_PROTOCOL_IP4, tmp);
474 
475  if (decap_fib_index == ~0)
476  {
477  error =
478  clib_error_return (0, "nonexistent decap fib id %d", tmp);
479  goto done;
480  }
481  }
482  else
483  if (unformat
484  (line_input, "client-mac %U", unformat_ethernet_address,
485  client_mac))
486  client_mac_set = 1;
487  else
488  {
489  error = clib_error_return (0, "parse error: '%U'",
490  format_unformat_error, line_input);
491  goto done;
492  }
493  }
494 
495  if (client_ip_set == 0)
496  {
497  error =
498  clib_error_return (0, "session client ip address not specified");
499  goto done;
500  }
501 
502  if (ipv4_set && ipv6_set)
503  {
504  error = clib_error_return (0, "both IPv4 and IPv6 addresses specified");
505  goto done;
506  }
507 
508  if (client_mac_set == 0)
509  {
510  error = clib_error_return (0, "session client mac not specified");
511  goto done;
512  }
513 
514  memset (a, 0, sizeof (*a));
515 
516  a->is_add = is_add;
517  a->is_ip6 = ipv6_set;
518 
519 #define _(x) a->x = x;
521 #undef _
522 
523  clib_memcpy (a->client_mac, client_mac, 6);
524 
525  rv = vnet_pppoe_add_del_session (a, &session_sw_if_index);
526 
527  switch (rv)
528  {
529  case 0:
530  if (is_add)
532  vnet_get_main (), session_sw_if_index);
533  break;
534 
535  case VNET_API_ERROR_TUNNEL_EXIST:
536  error = clib_error_return (0, "session already exists...");
537  goto done;
538 
539  case VNET_API_ERROR_NO_SUCH_ENTRY:
540  error = clib_error_return (0, "session does not exist...");
541  goto done;
542 
543  default:
544  error = clib_error_return
545  (0, "vnet_pppoe_add_del_session returned %d", rv);
546  goto done;
547  }
548 
549 done:
550  unformat_free (line_input);
551 
552  return error;
553 }
554 
555 /*?
556  * Add or delete a PPPPOE Session.
557  *
558  * @cliexpar
559  * Example of how to create a PPPPOE Session:
560  * @cliexcmd{create pppoe session client-ip 10.0.3.1 session-id 13
561  * client-mac 00:01:02:03:04:05 }
562  * Example of how to delete a PPPPOE Session:
563  * @cliexcmd{create pppoe session client-ip 10.0.3.1 session-id 13
564  * client-mac 00:01:02:03:04:05 del }
565  ?*/
566 /* *INDENT-OFF* */
567 VLIB_CLI_COMMAND (create_pppoe_session_command, static) = {
568  .path = "create pppoe session",
569  .short_help =
570  "create pppoe session client-ip <client-ip> session-id <nn>"
571  " client-mac <client-mac> [decap-vrf-id <nn>] [del]",
573 };
574 /* *INDENT-ON* */
575 
576 /* *INDENT-OFF* */
577 static clib_error_t *
579  unformat_input_t * input,
580  vlib_cli_command_t * cmd)
581 {
582  pppoe_main_t *pem = &pppoe_main;
583  pppoe_session_t *t;
584 
585  if (pool_elts (pem->sessions) == 0)
586  vlib_cli_output (vm, "No pppoe sessions configured...");
587 
588  pool_foreach (t, pem->sessions,
589  ({
590  vlib_cli_output (vm, "%U",format_pppoe_session, t);
591  }));
592 
593  return 0;
594 }
595 /* *INDENT-ON* */
596 
597 /*?
598  * Display all the PPPPOE Session entries.
599  *
600  * @cliexpar
601  * Example of how to display the PPPPOE Session entries:
602  * @cliexstart{show pppoe session}
603  * [0] client-ip 10.0.3.1 session_id 13 encap-if-index 0 decap-vrf-id 13 sw_if_index 5
604  * local-mac a0:b0:c0:d0:e0:f0 client-mac 00:01:02:03:04:05
605  * @cliexend
606  ?*/
607 /* *INDENT-OFF* */
608 VLIB_CLI_COMMAND (show_pppoe_session_command, static) = {
609  .path = "show pppoe session",
610  .short_help = "show pppoe session",
611  .function = show_pppoe_session_command_fn,
612 };
613 /* *INDENT-ON* */
614 
615 /** Display the contents of the PPPoE Fib. */
616 static clib_error_t *
618  unformat_input_t * input, vlib_cli_command_t * cmd)
619 {
620  pppoe_main_t *pem = &pppoe_main;
621  BVT (clib_bihash) * h = &pem->session_table;
622  BVT (clib_bihash_bucket) * b;
623  BVT (clib_bihash_value) * v;
624  pppoe_entry_key_t key;
625  pppoe_entry_result_t result;
626  u32 first_entry = 1;
627  u64 total_entries = 0;
628  int i, j, k;
629  u8 *s = 0;
630 
631  for (i = 0; i < h->nbuckets; i++)
632  {
633  b = &h->buckets[i];
634  if (b->offset == 0)
635  continue;
636  v = BV (clib_bihash_get_value) (h, b->offset);
637  for (j = 0; j < (1 << b->log2_pages); j++)
638  {
639  for (k = 0; k < BIHASH_KVP_PER_PAGE; k++)
640  {
641  if (v->kvp[k].key == ~0ULL && v->kvp[k].value == ~0ULL)
642  continue;
643 
644  if (first_entry)
645  {
646  first_entry = 0;
647  vlib_cli_output (vm,
648  "%=19s%=12s%=13s%=14s",
649  "Mac-Address", "session_id", "sw_if_index",
650  "session_index");
651  }
652 
653  key.raw = v->kvp[k].key;
654  result.raw = v->kvp[k].value;
655 
656 
657  vlib_cli_output (vm,
658  "%=19U%=12d%=13d%=14d",
660  clib_net_to_host_u16 (key.fields.session_id),
661  result.fields.sw_if_index == ~0
662  ? -1 : result.fields.sw_if_index,
663  result.fields.session_index == ~0
664  ? -1 : result.fields.session_index);
665  vec_reset_length (s);
666  total_entries++;
667  }
668  v++;
669  }
670  }
671 
672  if (total_entries == 0)
673  vlib_cli_output (vm, "no pppoe fib entries");
674  else
675  vlib_cli_output (vm, "%lld pppoe fib entries", total_entries);
676 
677  vec_free (s);
678  return 0;
679 }
680 
681 /*?
682  * This command dispays the MAC Address entries of the PPPoE FIB table.
683  * Output can be filtered to just get the number of MAC Addresses or display
684  * each MAC Address.
685  *
686  * @cliexpar
687  * Example of how to display the number of MAC Address entries in the PPPoE
688  * FIB table:
689  * @cliexstart{show pppoe fib}
690  * Mac Address session_id Interface sw_if_index session_index
691  * 52:54:00:53:18:33 1 GigabitEthernet0/8/0 2 0
692  * 52:54:00:53:18:55 2 GigabitEthernet0/8/1 3 1
693  * @cliexend
694 ?*/
695 /* *INDENT-OFF* */
696 VLIB_CLI_COMMAND (show_pppoe_fib_command, static) = {
697  .path = "show pppoe fib",
698  .short_help = "show pppoe fib",
699  .function = show_pppoe_fib_command_fn,
700 };
701 /* *INDENT-ON* */
702 
703 clib_error_t *
705 {
706  pppoe_main_t *pem = &pppoe_main;
707 
708  pem->vnet_main = vnet_get_main ();
709  pem->vlib_main = vm;
710 
711  /* Create the hash table */
712  BV (clib_bihash_init) (&pem->session_table, "pppoe session table",
714 
715  ethernet_register_input_type (vm, ETHERNET_TYPE_PPPOE_SESSION,
716  pppoe_input_node.index);
717 
718  ethernet_register_input_type (vm, ETHERNET_TYPE_PPPOE_DISCOVERY,
720 
721  return 0;
722 }
723 
725 
726 /* *INDENT-OFF* */
728  .version = VPP_BUILD_VER,
729  .description = "PPPoE",
730 };
731 /* *INDENT-ON* */
732 
733 /*
734  * fd.io coding-style-patch-verification: ON
735  *
736  * Local Variables:
737  * eval: (c-set-style "gnu")
738  * End:
739  */
static_always_inline void pppoe_update_1(BVT(clib_bihash)*session_table, u8 *mac0, u16 session_id0, pppoe_entry_key_t *key0, u32 *bucket0, pppoe_entry_result_t *result0)
Definition: pppoe.h:264
u16 ppp_proto
Definition: pppoe.h:43
VLIB_PLUGIN_REGISTER()
fib_protocol_t fp_proto
protocol type
Definition: fib_types.h:169
vmrglw vmrglh hi
Definition: pppoe.h:109
sll srl srl sll sra u16x4 i
Definition: vector_sse2.h:337
clib_error_t * vnet_hw_interface_set_flags(vnet_main_t *vnm, u32 hw_if_index, u32 flags)
Definition: interface.c:538
#define BIHASH_KVP_PER_PAGE
Definition: bihash_16_8.h:20
vlib_main_t * vlib_main
Definition: pppoe.h:169
VNET_HW_INTERFACE_CLASS(pppoe_hw_class)
vnet_main_t * vnet_get_main(void)
Definition: misc.c:46
vnet_interface_main_t interface_main
Definition: vnet.h:56
u32 encap_if_index
Definition: pppoe.h:58
#define PPPOE_MEMORY_SIZE
Definition: pppoe.h:103
Multicast Adjacency.
Definition: adj.h:82
u16 session_id
Definition: pppoe.h:52
u64 raw
Definition: pppoe.h:143
#define NULL
Definition: clib.h:55
IP unicast adjacency.
Definition: adj.h:174
u8 src_address[6]
Definition: packet.h:54
static vnet_hw_interface_t * vnet_get_hw_interface(vnet_main_t *vnm, u32 hw_if_index)
static void pppoe_fixup(vlib_main_t *vm, ip_adjacency_t *adj, vlib_buffer_t *b0)
Fixup the adj rewrite post encap.
Definition: pppoe.c:149
This packet is to be rewritten and forwarded to the next processing node.
Definition: adj.h:73
struct pppoe_entry_result_t::@367::@369 fields
#define vec_add1(V, E)
Add 1 element to end of vector (unspecified alignment).
Definition: vec.h:518
static_always_inline void pppoe_lookup_1(BVT(clib_bihash)*session_table, pppoe_entry_key_t *cached_key, pppoe_entry_result_t *cached_result, u8 *mac0, u16 session_id0, pppoe_entry_key_t *key0, u32 *bucket0, pppoe_entry_result_t *result0)
Definition: pppoe.h:230
uword unformat_user(unformat_input_t *input, unformat_function_t *func,...)
Definition: unformat.c:983
static clib_error_t * pppoe_interface_admin_up_down(vnet_main_t *vnm, u32 hw_if_index, u32 flags)
Definition: pppoe.c:77
format_function_t format_ip46_address
Definition: format.h:61
static vnet_sw_interface_t * vnet_get_sw_interface(vnet_main_t *vnm, u32 sw_if_index)
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:419
#define VNET_HW_INTERFACE_FLAG_LINK_UP
Definition: interface.h:394
#define vec_validate_aligned(V, I, A)
Make sure vector is long enough for given index (no header, specified alignment)
Definition: vec.h:443
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:107
format_function_t format_vnet_sw_if_index_name
static clib_error_t * show_pppoe_fib_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Display the contents of the PPPoE Fib.
Definition: pppoe.c:617
clib_error_t * pppoe_init(vlib_main_t *vm)
Definition: pppoe.c:704
#define vec_reset_length(v)
Reset vector length to zero NULL-pointer tolerant.
vnet_link_t ia_link
link/ether-type 1 bytes
Definition: adj.h:195
VNET_DEVICE_CLASS(pppoe_device_class, static)
Adjacency to punt this packet.
Definition: adj.h:55
static void pppoe_update_adj(vnet_main_t *vnm, u32 sw_if_index, adj_index_t ai)
Definition: pppoe.c:161
void adj_nbr_midchain_update_rewrite(adj_index_t adj_index, adj_midchain_fixup_t fixup, adj_flags_t flags, u8 *rewrite)
adj_nbr_midchain_update_rewrite
Definition: adj_midchain.c:504
static ip_adjacency_t * adj_get(adj_index_t adj_index)
Get a pointer to an adjacency object from its index.
Definition: adj.h:365
u8 * format_ethernet_address(u8 *s, va_list *args)
Definition: format.c:44
#define pool_foreach(VAR, POOL, BODY)
Iterate through pool.
Definition: pool.h:437
unformat_function_t unformat_ip4_address
Definition: format.h:76
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:111
dpo_proto_t vnet_link_to_dpo_proto(vnet_link_t linkt)
Definition: dpo.c:92
vlib_combined_counter_main_t * combined_sw_if_counters
Definition: interface.h:668
u8 dst_address[6]
Definition: packet.h:53
static BVT(clib_bihash)
Definition: adj_nbr.c:26
A high priority source a plugin can use.
Definition: fib_entry.h:58
Aggregrate type for a prefix.
Definition: fib_types.h:160
#define clib_error_return(e, args...)
Definition: error.h:99
unsigned long u64
Definition: types.h:89
u32 fib_table_find(fib_protocol_t proto, u32 table_id)
Get the index of the FIB for a Table-ID.
Definition: fib_table.c:1025
u16 fp_len
The mask length.
Definition: fib_types.h:164
static bool pppoe_decap_next_is_valid(pppoe_main_t *pem, u32 is_ip6, u32 decap_fib_index)
Definition: pppoe.c:237
u32 vnet_register_interface(vnet_main_t *vnm, u32 dev_class_index, u32 dev_instance, u32 hw_class_index, u32 hw_instance)
Definition: interface.c:689
static u8 * format_pppoe_header_with_length(u8 *s, va_list *args)
Definition: pppoe.c:96
Definition: fib_entry.h:228
unformat_function_t unformat_line_input
Definition: format.h:281
u64 raw
Definition: pppoe.h:123
The identity of a DPO is a combination of its type and its instance number/index of objects of that t...
Definition: dpo.h:150
#define ADJ_INDEX_INVALID
Invalid ADJ index - used when no adj is known likewise blazoned capitals INVALID speak volumes where ...
Definition: adj_types.h:36
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
Definition: pool.h:458
static void vlib_zero_combined_counter(vlib_combined_counter_main_t *cm, u32 index)
Clear a combined counter Clears the set of per-thread counters.
Definition: counter.h:276
vlib_node_registration_t ip4_input_node
Global ip4 input node.
Definition: ip4_input.c:416
ip46_address_t fp_addr
The address type is not deriveable from the fp_addr member.
Definition: fib_types.h:183
static uword dummy_interface_tx(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: pppoe.c:69
vlib_node_registration_t ip6_input_node
(constructor) VLIB_REGISTER_NODE (ip6_input_node)
Definition: ip6_input.c:327
#define v
Definition: acl.c:323
struct _unformat_input_t unformat_input_t
u16 session_id
Definition: pppoe.h:41
u16 length
Definition: pppoe.h:42
static void * vlib_buffer_get_current(vlib_buffer_t *b)
Get pointer to current data to process.
Definition: buffer.h:193
#define pool_put(P, E)
Free an object E in pool P.
Definition: pool.h:270
u32 hw_if_index
Definition: pppoe.h:68
ip46_address_t client_ip
Definition: pppoe.h:55
vlib_node_registration_t pppoe_tap_dispatch_node
(constructor) VLIB_REGISTER_NODE (pppoe_tap_dispatch_node)
This packet matches an "interface route" and packets need to be passed to ARP to find rewrite string ...
Definition: adj.h:68
vlib_simple_counter_main_t * sw_if_counters
Definition: interface.h:667
void interface_tx_dpo_add_or_lock(dpo_proto_t proto, u32 sw_if_index, dpo_id_t *dpo)
The data-path object representing transmitting the packet on a n interface.
void clib_bihash_init(clib_bihash *h, char *name, u32 nbuckets, uword memory_size)
initialize a bounded index extensible hash table
unformat_function_t unformat_ip6_address
Definition: format.h:94
#define pool_get_aligned(P, E, A)
Allocate an object E from a pool P (general version).
Definition: pool.h:188
pppoe_main_t pppoe_main
Definition: pppoe.c:38
This packet matches an "incomplete adjacency" and packets need to be passed to ARP to find rewrite st...
Definition: adj.h:63
Adjacency to drop this packet.
Definition: adj.h:53
#define UNFORMAT_END_OF_INPUT
Definition: format.h:143
u16 n_vectors
Definition: node.h:344
vlib_main_t * vm
Definition: buffer.c:283
vec_header_t h
Definition: buffer.c:282
vlib_node_registration_t pppoe_input_node
(constructor) VLIB_REGISTER_NODE (pppoe_input_node)
Definition: pppoe_decap.c:401
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:336
Multicast Midchain Adjacency.
Definition: adj.h:86
static clib_error_t * pppoe_add_del_session_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: pppoe.c:420
#define PPPOE_NUM_BUCKETS
Definition: pppoe.h:102
#define clib_warning(format, args...)
Definition: error.h:59
static vlib_node_runtime_t * vlib_node_get_runtime(vlib_main_t *vm, u32 node_index)
Get node runtime by node index.
Definition: node_funcs.h:89
#define clib_memcpy(a, b, c)
Definition: string.h:69
static void vnet_interface_counter_unlock(vnet_interface_main_t *im)
Definition: interface.h:693
#define VNET_SW_INTERFACE_FLAG_HIDDEN
Definition: interface.h:584
u8 * format_pppoe_session(u8 *s, va_list *args)
Definition: pppoe.c:41
u32 adj_index_t
An index for adjacencies.
Definition: adj_types.h:30
pppoe_session_t * sessions
Definition: pppoe.h:151
#define VLIB_CLI_COMMAND(x,...)
Definition: cli.h:154
This packets follow a mid-chain adjacency.
Definition: adj.h:76
static void vnet_interface_counter_lock(vnet_interface_main_t *im)
Definition: interface.h:685
#define VNET_SW_INTERFACE_FLAG_ADMIN_UP
Definition: interface.h:572
uword unformat_ethernet_address(unformat_input_t *input, va_list *args)
Definition: format.c:227
#define ASSERT(truth)
void adj_nbr_midchain_stack(adj_index_t adj_index, const dpo_id_t *next)
adj_nbr_midchain_stack
Definition: adj_midchain.c:565
unsigned int u32
Definition: types.h:88
vnet_main_t * vnet_main
Definition: pppoe.h:170
enum vnet_link_t_ vnet_link_t
Link Type: A description of the protocol of packets on the link.
static u8 * format_pppoe_name(u8 *s, va_list *args)
Definition: pppoe.c:62
Definition: pppoe.h:132
u32 sw_if_index
Definition: pppoe.h:67
static void vlib_zero_simple_counter(vlib_simple_counter_main_t *cm, u32 index)
Clear a simple counter Clears the set of per-thread u16 counters, and the u64 counter.
Definition: counter.h:123
u8 client_mac[6]
Definition: pppoe.h:64
dpo_proto_t fib_proto_to_dpo(fib_protocol_t fib_proto)
Definition: fib_types.c:211
void fib_table_entry_path_remove(u32 fib_index, const fib_prefix_t *prefix, fib_source_t source, dpo_proto_t next_hop_proto, const ip46_address_t *next_hop, u32 next_hop_sw_if_index, u32 next_hop_fib_index, u32 next_hop_weight, fib_route_path_flags_t path_flags)
remove one path to an entry (aka route) in the FIB.
Definition: fib_table.c:664
void ethernet_register_input_type(vlib_main_t *vm, ethernet_type_t type, u32 node_index)
Definition: node.c:1333
u32 * session_index_by_sw_if_index
Definition: pppoe.h:160
u64 uword
Definition: types.h:112
template key/value backing page structure
Definition: bihash_doc.h:44
int vnet_pppoe_add_del_session(vnet_pppoe_add_del_session_args_t *a, u32 *sw_if_indexp)
Definition: pppoe.c:248
This packets needs to go to ICMP error.
Definition: adj.h:79
This packet is for one of our own IP addresses.
Definition: adj.h:58
unsigned short u16
Definition: types.h:57
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
#define foreach_copy_field
Definition: pppoe.c:230
unsigned char u8
Definition: types.h:56
static u8 * pppoe_build_rewrite(vnet_main_t *vnm, u32 sw_if_index, vnet_link_t link_type, const void *dst_address)
Definition: pppoe.c:104
ip_lookup_next_t lookup_next_index
Next hop after ip4-lookup.
Definition: adj.h:189
u32 decap_fib_index
FIB indices - inner IP packet lookup here.
Definition: pppoe.h:61
static void unformat_free(unformat_input_t *i)
Definition: format.h:161
#define DPO_INVALID
An initialiser for DPOs declared on the stack.
Definition: dpo.h:177
a point 2 point interface
Definition: interface.h:289
static clib_error_t * show_pppoe_session_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: pppoe.c:578
u8 * format_unformat_error(u8 *s, va_list *va)
Definition: unformat.c:91
void dpo_reset(dpo_id_t *dpo)
reset a DPO ID The DPO will be unlocked.
Definition: dpo.c:225
void adj_mcast_midchain_update_rewrite(adj_index_t adj_index, adj_midchain_fixup_t fixup, adj_flags_t flags, u8 *rewrite, u8 offset, u32 mask)
adj_mcast_midchain_update_rewrite
Definition: adj_mcast.c:140
clib_error_t * vnet_sw_interface_set_flags(vnet_main_t *vnm, u32 sw_if_index, u32 flags)
Definition: interface.c:546
static void * clib_bihash_get_value(clib_bihash *h, uword offset)
Get pointer to value page given its clib mheap offset.
u32 * free_pppoe_session_hw_if_indices
Definition: pppoe.h:157
u32 flags
Definition: vhost-user.h:77
#define vec_validate_init_empty(V, I, INIT)
Make sure vector is long enough for given index and initialize empty space (no header, unspecified alignment)
Definition: vec.h:481
#define CLIB_CACHE_LINE_BYTES
Definition: cache.h:67
u8 ver_type
Definition: pppoe.h:39
u8 local_mac[6]
Definition: pppoe.h:63
#define PPPOE_VER_TYPE
Definition: pppoe.h:46
void vlib_cli_output(vlib_main_t *vm, char *fmt,...)
Definition: cli.c:680
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:972
struct pppoe_entry_key_t::@363::@365 fields
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:169
fib_node_index_t fib_table_entry_path_add(u32 fib_index, const fib_prefix_t *prefix, fib_source_t source, fib_entry_flag_t flags, dpo_proto_t next_hop_proto, const ip46_address_t *next_hop, u32 next_hop_sw_if_index, u32 next_hop_fib_index, u32 next_hop_weight, mpls_label_t *next_hop_labels, fib_route_path_flags_t path_flags)
Add one path to an entry (aka route) in the FIB.
Definition: fib_table.c:504
static uword pool_elts(void *v)
Number of active elements in a pool.
Definition: pool.h:128