1/*
2 *------------------------------------------------------------------
3 * interface_api.c - vnet interface api
4 *
5 * Copyright (c) 2016 Cisco and/or its affiliates.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at:
9 *
10 *     http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *------------------------------------------------------------------
18 */
19
20#include <vnet/vnet.h>
21#include <vlibmemory/api.h>
22
23#include <vnet/interface.h>
24#include <vnet/api_errno.h>
25#include <vnet/ethernet/ethernet.h>
26#include <vnet/ip/ip.h>
27#include <vnet/fib/fib_table.h>
28#include <vnet/mfib/mfib_table.h>
29#include <vnet/l2/l2_vtr.h>
30#include <vnet/vnet_msg_enum.h>
31#include <vnet/fib/fib_api.h>
32#include <vnet/mfib/mfib_table.h>
33
34#include <vlibapi/api_types.h>
35
36#include <vnet/ip/ip_types_api.h>
37#include <vnet/ethernet/ethernet_types_api.h>
38
39#define vl_typedefs		/* define message structures */
40#include <vnet/vnet_all_api_h.h>
41#undef vl_typedefs
42
43#define vl_endianfun		/* define message structures */
44#include <vnet/vnet_all_api_h.h>
45#undef vl_endianfun
46
47/* instantiate all the print functions we know about */
48#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
49#define vl_printfun
50#include <vnet/vnet_all_api_h.h>
51#undef vl_printfun
52
53#include <vlibapi/api_helper_macros.h>
54vpe_api_main_t vpe_api_main;
55
56#define foreach_vpe_api_msg                                     \
57_(SW_INTERFACE_SET_FLAGS, sw_interface_set_flags)               \
58_(HW_INTERFACE_SET_MTU, hw_interface_set_mtu)                   \
59_(SW_INTERFACE_SET_MTU, sw_interface_set_mtu)                   \
60_(WANT_INTERFACE_EVENTS, want_interface_events)                 \
61_(SW_INTERFACE_DUMP, sw_interface_dump)                         \
62_(SW_INTERFACE_ADD_DEL_ADDRESS, sw_interface_add_del_address)   \
63_(SW_INTERFACE_SET_RX_MODE, sw_interface_set_rx_mode)           \
64_(SW_INTERFACE_RX_PLACEMENT_DUMP, sw_interface_rx_placement_dump) \
65_(SW_INTERFACE_SET_RX_PLACEMENT, sw_interface_set_rx_placement)	\
66_(SW_INTERFACE_SET_TABLE, sw_interface_set_table)               \
67_(SW_INTERFACE_GET_TABLE, sw_interface_get_table)               \
68_(SW_INTERFACE_SET_UNNUMBERED, sw_interface_set_unnumbered)     \
69_(SW_INTERFACE_CLEAR_STATS, sw_interface_clear_stats)           \
70_(SW_INTERFACE_TAG_ADD_DEL, sw_interface_tag_add_del)           \
71_(SW_INTERFACE_ADD_DEL_MAC_ADDRESS, sw_interface_add_del_mac_address) \
72_(SW_INTERFACE_SET_MAC_ADDRESS, sw_interface_set_mac_address)   \
73_(SW_INTERFACE_GET_MAC_ADDRESS, sw_interface_get_mac_address)   \
74_(CREATE_VLAN_SUBIF, create_vlan_subif)                         \
75_(CREATE_SUBIF, create_subif)                                   \
76_(DELETE_SUBIF, delete_subif)                                   \
77_(CREATE_LOOPBACK, create_loopback)				\
78_(CREATE_LOOPBACK_INSTANCE, create_loopback_instance)		\
79_(DELETE_LOOPBACK, delete_loopback)                             \
80_(INTERFACE_NAME_RENUMBER, interface_name_renumber)             \
81_(COLLECT_DETAILED_INTERFACE_STATS, collect_detailed_interface_stats) \
82_(SW_INTERFACE_SET_IP_DIRECTED_BROADCAST,                       \
83  sw_interface_set_ip_directed_broadcast)                       \
84_(SW_INTERFACE_ADDRESS_REPLACE_BEGIN,                           \
85  sw_interface_address_replace_begin)                           \
86_(SW_INTERFACE_ADDRESS_REPLACE_END,                             \
87  sw_interface_address_replace_end)
88
89static void
90vl_api_sw_interface_set_flags_t_handler (vl_api_sw_interface_set_flags_t * mp)
91{
92  vl_api_sw_interface_set_flags_reply_t *rmp;
93  vnet_main_t *vnm = vnet_get_main ();
94  int rv = 0;
95  clib_error_t *error;
96  u16 flags;
97
98  VALIDATE_SW_IF_INDEX (mp);
99
100  flags =
101    ((ntohl (mp->flags)) & IF_STATUS_API_FLAG_ADMIN_UP) ?
102    VNET_SW_INTERFACE_FLAG_ADMIN_UP : 0;
103
104  error = vnet_sw_interface_set_flags (vnm, ntohl (mp->sw_if_index), flags);
105  if (error)
106    {
107      rv = -1;
108      clib_error_report (error);
109    }
110
111  BAD_SW_IF_INDEX_LABEL;
112  REPLY_MACRO (VL_API_SW_INTERFACE_SET_FLAGS_REPLY);
113}
114
115static void
116vl_api_hw_interface_set_mtu_t_handler (vl_api_hw_interface_set_mtu_t * mp)
117{
118  vl_api_hw_interface_set_mtu_reply_t *rmp;
119  vnet_main_t *vnm = vnet_get_main ();
120  u32 sw_if_index = ntohl (mp->sw_if_index);
121  u16 mtu = ntohs (mp->mtu);
122  ethernet_main_t *em = &ethernet_main;
123  int rv = 0;
124
125  VALIDATE_SW_IF_INDEX (mp);
126
127  vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
128  if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
129    {
130      rv = VNET_API_ERROR_INVALID_VALUE;
131      goto bad_sw_if_index;
132    }
133
134  vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, si->hw_if_index);
135  ethernet_interface_t *eif = ethernet_get_interface (em, si->hw_if_index);
136
137  if (!eif)
138    {
139      rv = VNET_API_ERROR_FEATURE_DISABLED;
140      goto bad_sw_if_index;
141    }
142
143  if (mtu < hi->min_supported_packet_bytes)
144    {
145      rv = VNET_API_ERROR_INVALID_VALUE;
146      goto bad_sw_if_index;
147    }
148
149  if (mtu > hi->max_supported_packet_bytes)
150    {
151      rv = VNET_API_ERROR_INVALID_VALUE;
152      goto bad_sw_if_index;
153    }
154
155  vnet_hw_interface_set_mtu (vnm, si->hw_if_index, mtu);
156
157  BAD_SW_IF_INDEX_LABEL;
158  REPLY_MACRO (VL_API_HW_INTERFACE_SET_MTU_REPLY);
159}
160
161static void
162vl_api_sw_interface_set_mtu_t_handler (vl_api_sw_interface_set_mtu_t * mp)
163{
164  vl_api_sw_interface_set_mtu_reply_t *rmp;
165  vnet_main_t *vnm = vnet_get_main ();
166  u32 sw_if_index = ntohl (mp->sw_if_index);
167  int rv = 0;
168  int i;
169  u32 per_protocol_mtu[VNET_N_MTU];
170
171  VALIDATE_SW_IF_INDEX (mp);
172
173  for (i = 0; i < VNET_N_MTU; i++)
174    {
175      per_protocol_mtu[i] = ntohl (mp->mtu[i]);
176    }
177  vnet_sw_interface_set_protocol_mtu (vnm, sw_if_index, per_protocol_mtu);
178
179  BAD_SW_IF_INDEX_LABEL;
180  REPLY_MACRO (VL_API_SW_INTERFACE_SET_MTU_REPLY);
181}
182
183static void
184  vl_api_sw_interface_set_ip_directed_broadcast_t_handler
185  (vl_api_sw_interface_set_ip_directed_broadcast_t * mp)
186{
187  vl_api_sw_interface_set_ip_directed_broadcast_reply_t *rmp;
188  u32 sw_if_index = ntohl (mp->sw_if_index);
189  int rv = 0;
190
191  VALIDATE_SW_IF_INDEX (mp);
192
193  vnet_sw_interface_ip_directed_broadcast (vnet_get_main (),
194					   sw_if_index, mp->enable);
195
196  BAD_SW_IF_INDEX_LABEL;
197  REPLY_MACRO (VL_API_SW_INTERFACE_SET_IP_DIRECTED_BROADCAST_REPLY);
198}
199
200static void
201send_sw_interface_details (vpe_api_main_t * am,
202			   vl_api_registration_t * rp,
203			   vnet_sw_interface_t * swif,
204			   u8 * interface_name, u32 context)
205{
206  vnet_hw_interface_t *hi =
207    vnet_get_sup_hw_interface (am->vnet_main, swif->sw_if_index);
208  vnet_device_class_t *dev_class =
209    vnet_get_device_class (am->vnet_main, hi->dev_class_index);
210
211  vl_api_sw_interface_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
212  clib_memset (mp, 0, sizeof (*mp));
213  mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_DETAILS);
214  mp->sw_if_index = ntohl (swif->sw_if_index);
215  mp->sup_sw_if_index = ntohl (swif->sup_sw_if_index);
216
217  mp->flags |= (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ?
218    IF_STATUS_API_FLAG_ADMIN_UP : 0;
219  mp->flags |= (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ?
220    IF_STATUS_API_FLAG_LINK_UP : 0;
221  mp->flags = ntohl (mp->flags);
222
223  switch (swif->type)
224    {
225    case VNET_SW_INTERFACE_TYPE_SUB:
226      mp->type = IF_API_TYPE_SUB;
227      break;
228    case VNET_SW_INTERFACE_TYPE_P2P:
229      mp->type = IF_API_TYPE_P2P;
230      break;
231    case VNET_SW_INTERFACE_TYPE_PIPE:
232      mp->type = IF_API_TYPE_PIPE;
233      break;
234    default:
235      mp->type = IF_API_TYPE_HARDWARE;
236    }
237  mp->type = ntohl (mp->type);
238
239  mp->link_duplex = ((hi->flags & VNET_HW_INTERFACE_FLAG_DUPLEX_MASK) >>
240		     VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT);
241  mp->link_speed = ntohl (hi->link_speed);
242  mp->link_mtu = ntohs (hi->max_packet_bytes);
243  mp->mtu[VNET_MTU_L3] = ntohl (swif->mtu[VNET_MTU_L3]);
244  mp->mtu[VNET_MTU_IP4] = ntohl (swif->mtu[VNET_MTU_IP4]);
245  mp->mtu[VNET_MTU_IP6] = ntohl (swif->mtu[VNET_MTU_IP6]);
246  mp->mtu[VNET_MTU_MPLS] = ntohl (swif->mtu[VNET_MTU_MPLS]);
247
248  mp->context = context;
249
250  strncpy ((char *) mp->interface_name,
251	   (char *) interface_name, ARRAY_LEN (mp->interface_name) - 1);
252
253  if (dev_class && dev_class->name)
254    strncpy ((char *) mp->interface_dev_type, (char *) dev_class->name,
255	     ARRAY_LEN (mp->interface_dev_type) - 1);
256
257  /* Send the L2 address for ethernet physical intfcs */
258  if (swif->sup_sw_if_index == swif->sw_if_index
259      && hi->hw_class_index == ethernet_hw_interface_class.index)
260    {
261      ethernet_main_t *em = ethernet_get_main (am->vlib_main);
262      ethernet_interface_t *ei;
263
264      ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
265      ASSERT (sizeof (mp->l2_address) >= sizeof (ei->address));
266      mac_address_encode ((mac_address_t *) ei->address, mp->l2_address);
267    }
268  else if (swif->sup_sw_if_index != swif->sw_if_index)
269    {
270      vnet_sub_interface_t *sub = &swif->sub;
271      mp->sub_id = ntohl (sub->id);
272      mp->sub_number_of_tags =
273	sub->eth.flags.one_tag + sub->eth.flags.two_tags * 2;
274      mp->sub_outer_vlan_id = ntohs (sub->eth.outer_vlan_id);
275      mp->sub_inner_vlan_id = ntohs (sub->eth.inner_vlan_id);
276      mp->sub_if_flags =
277	ntohl (sub->eth.raw_flags & SUB_IF_API_FLAG_MASK_VNET);
278    }
279
280  /* vlan tag rewrite data */
281  u32 vtr_op = L2_VTR_DISABLED;
282  u32 vtr_push_dot1q = 0, vtr_tag1 = 0, vtr_tag2 = 0;
283
284  if (l2vtr_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
285		 &vtr_op, &vtr_push_dot1q, &vtr_tag1, &vtr_tag2) != 0)
286    {
287      // error - default to disabled
288      mp->vtr_op = ntohl (L2_VTR_DISABLED);
289      clib_warning ("cannot get vlan tag rewrite for sw_if_index %d",
290		    swif->sw_if_index);
291    }
292  else
293    {
294      mp->vtr_op = ntohl (vtr_op);
295      mp->vtr_push_dot1q = ntohl (vtr_push_dot1q);
296      mp->vtr_tag1 = ntohl (vtr_tag1);
297      mp->vtr_tag2 = ntohl (vtr_tag2);
298    }
299
300  /* pbb tag rewrite data */
301  ethernet_header_t eth_hdr;
302  u32 pbb_vtr_op = L2_VTR_DISABLED;
303  u16 outer_tag = 0;
304  u16 b_vlanid = 0;
305  u32 i_sid = 0;
306  clib_memset (&eth_hdr, 0, sizeof (eth_hdr));
307
308  if (!l2pbb_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
309		  &pbb_vtr_op, &outer_tag, &eth_hdr, &b_vlanid, &i_sid))
310    {
311      mp->sub_if_flags |= ntohl (SUB_IF_API_FLAG_DOT1AH);
312      mac_address_encode ((mac_address_t *) eth_hdr.dst_address, mp->b_dmac);
313      mac_address_encode ((mac_address_t *) eth_hdr.src_address, mp->b_smac);
314      mp->b_vlanid = b_vlanid;
315      mp->i_sid = i_sid;
316    }
317
318  u8 *tag = vnet_get_sw_interface_tag (vnet_get_main (), swif->sw_if_index);
319  if (tag)
320    strncpy ((char *) mp->tag, (char *) tag, ARRAY_LEN (mp->tag) - 1);
321
322  vl_api_send_msg (rp, (u8 *) mp);
323}
324
325static void
326vl_api_sw_interface_dump_t_handler (vl_api_sw_interface_dump_t * mp)
327{
328  vpe_api_main_t *am = &vpe_api_main;
329  vnet_sw_interface_t *swif;
330  vnet_interface_main_t *im = &am->vnet_main->interface_main;
331  vl_api_registration_t *rp;
332  u32 sw_if_index;
333
334  rp = vl_api_client_index_to_registration (mp->client_index);
335
336  if (rp == 0)
337    {
338      clib_warning ("Client %d AWOL", mp->client_index);
339      return;
340    }
341
342  u8 *filter = 0, *name = 0;
343  sw_if_index = ntohl (mp->sw_if_index);
344
345  if (!mp->name_filter_valid && sw_if_index != ~0 && sw_if_index != 0)
346    {
347      /* is it a valid sw_if_index? */
348      if (!vnet_sw_if_index_is_api_valid (sw_if_index))
349	return;
350
351      swif = vec_elt_at_index (im->sw_interfaces, sw_if_index);
352
353      vec_reset_length (name);
354      name =
355	format (name, "%U%c", format_vnet_sw_interface_name, am->vnet_main,
356		swif, 0);
357      send_sw_interface_details (am, rp, swif, name, mp->context);
358      vec_free (name);
359      return;
360    }
361
362  if (mp->name_filter_valid)
363    {
364      filter = vl_api_from_api_to_new_vec (mp, &mp->name_filter);
365      vec_add1 (filter, 0);	/* Ensure it's a C string for strcasecmp() */
366    }
367
368  char *strcasestr (char *, char *);	/* lnx hdr file botch */
369  /* *INDENT-OFF* */
370  pool_foreach (swif, im->sw_interfaces,
371  ({
372    if (!vnet_swif_is_api_visible (swif))
373        continue;
374    vec_reset_length(name);
375    name = format (name, "%U%c", format_vnet_sw_interface_name, am->vnet_main,
376                   swif, 0);
377
378    if (filter && !strcasestr((char *) name, (char *) filter))
379	continue;
380
381    send_sw_interface_details (am, rp, swif, name, mp->context);
382  }));
383  /* *INDENT-ON* */
384
385  vec_free (name);
386  vec_free (filter);
387}
388
389static void
390  vl_api_sw_interface_add_del_address_t_handler
391  (vl_api_sw_interface_add_del_address_t * mp)
392{
393  vlib_main_t *vm = vlib_get_main ();
394  vnet_main_t *vnm = vnet_get_main ();
395  vl_api_sw_interface_add_del_address_reply_t *rmp;
396  int rv = 0;
397  u32 is_del;
398  clib_error_t *error = 0;
399  ip46_address_t address;
400
401  VALIDATE_SW_IF_INDEX (mp);
402
403  is_del = mp->is_add == 0;
404  vnm->api_errno = 0;
405
406  if (mp->del_all)
407    ip_del_all_interface_addresses (vm, ntohl (mp->sw_if_index));
408  else if (ip_address_decode (&mp->prefix.address, &address) == IP46_TYPE_IP6)
409    error = ip6_add_del_interface_address (vm, ntohl (mp->sw_if_index),
410					   (void *) &address.ip6,
411					   mp->prefix.len, is_del);
412  else
413    error = ip4_add_del_interface_address (vm, ntohl (mp->sw_if_index),
414					   (void *) &address.ip4,
415					   mp->prefix.len, is_del);
416
417  if (error)
418    {
419      rv = vnm->api_errno;
420      clib_error_report (error);
421      goto done;
422    }
423
424  BAD_SW_IF_INDEX_LABEL;
425
426done:
427  REPLY_MACRO (VL_API_SW_INTERFACE_ADD_DEL_ADDRESS_REPLY);
428}
429
430static void
431vl_api_sw_interface_set_table_t_handler (vl_api_sw_interface_set_table_t * mp)
432{
433  vl_api_sw_interface_set_table_reply_t *rmp;
434  u32 sw_if_index = ntohl (mp->sw_if_index);
435  u32 table_id = ntohl (mp->vrf_id);
436  int rv = 0;
437
438  VALIDATE_SW_IF_INDEX (mp);
439
440  if (mp->is_ipv6)
441    rv = ip_table_bind (FIB_PROTOCOL_IP6, sw_if_index, table_id, 1);
442  else
443    rv = ip_table_bind (FIB_PROTOCOL_IP4, sw_if_index, table_id, 1);
444
445  BAD_SW_IF_INDEX_LABEL;
446
447  REPLY_MACRO (VL_API_SW_INTERFACE_SET_TABLE_REPLY);
448}
449
450int
451ip_table_bind (fib_protocol_t fproto,
452	       u32 sw_if_index, u32 table_id, u8 is_api)
453{
454  CLIB_UNUSED (ip_interface_address_t * ia);
455  u32 fib_index, mfib_index;
456  fib_source_t src;
457  mfib_source_t msrc;
458
459  if (is_api)
460    {
461      src = FIB_SOURCE_API;
462      msrc = MFIB_SOURCE_API;
463    }
464  else
465    {
466      src = FIB_SOURCE_CLI;
467      msrc = MFIB_SOURCE_CLI;
468    }
469
470  /*
471   * This if table does not exist = error is what we want in the end.
472   */
473  fib_index = fib_table_find (fproto, table_id);
474  mfib_index = mfib_table_find (fproto, table_id);
475
476  if (~0 == fib_index || ~0 == mfib_index)
477    {
478      return (VNET_API_ERROR_NO_SUCH_FIB);
479    }
480
481  if (FIB_PROTOCOL_IP6 == fproto)
482    {
483      /*
484       * If the interface already has in IP address, then a change int
485       * VRF is not allowed. The IP address applied must first be removed.
486       * We do not do that automatically here, since VPP has no knowledge
487       * of whether those subnets are valid in the destination VRF.
488       */
489      /* *INDENT-OFF* */
490      foreach_ip_interface_address (&ip6_main.lookup_main,
491				    ia, sw_if_index,
492				    1 /* honor unnumbered */ ,
493      ({
494        return (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE);
495      }));
496      /* *INDENT-ON* */
497
498      vec_validate (ip6_main.fib_index_by_sw_if_index, sw_if_index);
499      vec_validate (ip6_main.mfib_index_by_sw_if_index, sw_if_index);
500
501      /*
502       * tell those that are interested that the binding is changing.
503       */
504      ip6_table_bind_callback_t *cb;
505      vec_foreach (cb, ip6_main.table_bind_callbacks)
506	cb->function (&ip6_main, cb->function_opaque,
507		      sw_if_index,
508		      fib_index,
509		      ip6_main.fib_index_by_sw_if_index[sw_if_index]);
510
511      if (0 == table_id)
512	{
513	  /* reset back to default */
514	  if (0 != ip6_main.fib_index_by_sw_if_index[sw_if_index])
515	    fib_table_unlock (ip6_main.fib_index_by_sw_if_index[sw_if_index],
516			      FIB_PROTOCOL_IP6, src);
517	  if (0 != ip6_main.mfib_index_by_sw_if_index[sw_if_index])
518	    mfib_table_unlock (ip6_main.mfib_index_by_sw_if_index
519			       [sw_if_index], FIB_PROTOCOL_IP6, msrc);
520
521	}
522      else
523	{
524	  /* we need to lock the table now it's inuse */
525	  fib_table_lock (fib_index, FIB_PROTOCOL_IP6, src);
526	  mfib_table_lock (mfib_index, FIB_PROTOCOL_IP6, msrc);
527	}
528
529      ip6_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
530      ip6_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index;
531    }
532  else
533    {
534      /*
535       * If the interface already has in IP address, then a change int
536       * VRF is not allowed. The IP address applied must first be removed.
537       * We do not do that automatically here, since VPP has no knowledge
538       * of whether those subnets are valid in the destination VRF.
539       */
540      /* *INDENT-OFF* */
541      foreach_ip_interface_address (&ip4_main.lookup_main,
542				    ia, sw_if_index,
543				    1 /* honor unnumbered */ ,
544      ({
545        return (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE);
546      }));
547      /* *INDENT-ON* */
548
549      vec_validate (ip4_main.fib_index_by_sw_if_index, sw_if_index);
550      vec_validate (ip4_main.mfib_index_by_sw_if_index, sw_if_index);
551
552      /*
553       * tell those that are interested that the binding is changing.
554       */
555      ip4_table_bind_callback_t *cb;
556      vec_foreach (cb, ip4_main.table_bind_callbacks)
557	cb->function (&ip4_main, cb->function_opaque,
558		      sw_if_index,
559		      fib_index,
560		      ip4_main.fib_index_by_sw_if_index[sw_if_index]);
561
562      if (0 == table_id)
563	{
564	  /* reset back to default */
565	  if (0 != ip4_main.fib_index_by_sw_if_index[sw_if_index])
566	    fib_table_unlock (ip4_main.fib_index_by_sw_if_index[sw_if_index],
567			      FIB_PROTOCOL_IP4, src);
568	  if (0 != ip4_main.mfib_index_by_sw_if_index[sw_if_index])
569	    mfib_table_unlock (ip4_main.mfib_index_by_sw_if_index
570			       [sw_if_index], FIB_PROTOCOL_IP4, msrc);
571
572	}
573      else
574	{
575	  /* we need to lock the table now it's inuse */
576	  fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
577							 table_id, src);
578
579	  mfib_index = mfib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
580							   table_id, msrc);
581	}
582
583      ip4_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
584      ip4_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index;
585    }
586
587  return (0);
588}
589
590static void
591send_sw_interface_get_table_reply (vl_api_registration_t * reg,
592				   u32 context, int retval, u32 vrf_id)
593{
594  vl_api_sw_interface_get_table_reply_t *mp;
595
596  mp = vl_msg_api_alloc (sizeof (*mp));
597  clib_memset (mp, 0, sizeof (*mp));
598  mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_GET_TABLE_REPLY);
599  mp->context = context;
600  mp->retval = htonl (retval);
601  mp->vrf_id = htonl (vrf_id);
602
603  vl_api_send_msg (reg, (u8 *) mp);
604}
605
606static void
607vl_api_sw_interface_get_table_t_handler (vl_api_sw_interface_get_table_t * mp)
608{
609  vl_api_registration_t *reg;
610  fib_table_t *fib_table = 0;
611  u32 sw_if_index = ~0;
612  u32 fib_index = ~0;
613  u32 table_id = ~0;
614  fib_protocol_t fib_proto = FIB_PROTOCOL_IP4;
615  int rv = 0;
616
617  reg = vl_api_client_index_to_registration (mp->client_index);
618  if (!reg)
619    return;
620
621  VALIDATE_SW_IF_INDEX (mp);
622
623  sw_if_index = ntohl (mp->sw_if_index);
624
625  if (mp->is_ipv6)
626    fib_proto = FIB_PROTOCOL_IP6;
627
628  fib_index = fib_table_get_index_for_sw_if_index (fib_proto, sw_if_index);
629  if (fib_index != ~0)
630    {
631      fib_table = fib_table_get (fib_index, fib_proto);
632      table_id = fib_table->ft_table_id;
633    }
634
635  BAD_SW_IF_INDEX_LABEL;
636
637  send_sw_interface_get_table_reply (reg, mp->context, rv, table_id);
638}
639
640static void vl_api_sw_interface_set_unnumbered_t_handler
641  (vl_api_sw_interface_set_unnumbered_t * mp)
642{
643  vl_api_sw_interface_set_unnumbered_reply_t *rmp;
644  int rv = 0;
645  vnet_main_t *vnm = vnet_get_main ();
646  u32 sw_if_index = ntohl (mp->sw_if_index);
647  u32 unnumbered_sw_if_index = ntohl (mp->unnumbered_sw_if_index);
648
649  /*
650   * The API message field names are backwards from
651   * the underlying data structure names.
652   * It's not worth changing them now.
653   */
654  if (!vnet_sw_interface_is_api_valid (vnm, unnumbered_sw_if_index))
655    {
656      rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
657      goto done;
658    }
659
660  /* Only check the "use loop0" field when setting the binding */
661  if (mp->is_add && !vnet_sw_interface_is_api_valid (vnm, sw_if_index))
662    {
663      rv = VNET_API_ERROR_INVALID_SW_IF_INDEX_2;
664      goto done;
665    }
666
667  vnet_sw_interface_update_unnumbered (unnumbered_sw_if_index,
668				       sw_if_index, mp->is_add);
669done:
670  REPLY_MACRO (VL_API_SW_INTERFACE_SET_UNNUMBERED_REPLY);
671}
672
673static void
674vl_api_sw_interface_clear_stats_t_handler (vl_api_sw_interface_clear_stats_t *
675					   mp)
676{
677  vl_api_sw_interface_clear_stats_reply_t *rmp;
678
679  vnet_main_t *vnm = vnet_get_main ();
680  vnet_interface_main_t *im = &vnm->interface_main;
681  vlib_simple_counter_main_t *sm;
682  vlib_combined_counter_main_t *cm;
683  int j, n_counters;
684  int rv = 0;
685
686  if (mp->sw_if_index != ~0)
687    VALIDATE_SW_IF_INDEX (mp);
688
689  n_counters = vec_len (im->combined_sw_if_counters);
690
691  for (j = 0; j < n_counters; j++)
692    {
693      im = &vnm->interface_main;
694      cm = im->combined_sw_if_counters + j;
695      if (mp->sw_if_index == (u32) ~ 0)
696	vlib_clear_combined_counters (cm);
697      else
698	vlib_zero_combined_counter (cm, ntohl (mp->sw_if_index));
699    }
700
701  n_counters = vec_len (im->sw_if_counters);
702
703  for (j = 0; j < n_counters; j++)
704    {
705      im = &vnm->interface_main;
706      sm = im->sw_if_counters + j;
707      if (mp->sw_if_index == (u32) ~ 0)
708	vlib_clear_simple_counters (sm);
709      else
710	vlib_zero_simple_counter (sm, ntohl (mp->sw_if_index));
711    }
712
713  BAD_SW_IF_INDEX_LABEL;
714
715  REPLY_MACRO (VL_API_SW_INTERFACE_CLEAR_STATS_REPLY);
716}
717
718/*
719 * Events used for sw_interface_events
720 */
721enum api_events
722{
723  API_LINK_STATE_UP_EVENT = 1 << 1,
724  API_LINK_STATE_DOWN_EVENT = 1 << 2,
725  API_ADMIN_UP_EVENT = 1 << 3,
726  API_ADMIN_DOWN_EVENT = 1 << 4,
727  API_SW_INTERFACE_ADD_EVENT = 1 << 5,
728  API_SW_INTERFACE_DEL_EVENT = 1 << 6,
729};
730
731static void
732send_sw_interface_event (vpe_api_main_t * am,
733			 vpe_client_registration_t * reg,
734			 vl_api_registration_t * vl_reg,
735			 u32 sw_if_index, enum api_events events)
736{
737  vl_api_sw_interface_event_t *mp;
738
739  mp = vl_msg_api_alloc (sizeof (*mp));
740  clib_memset (mp, 0, sizeof (*mp));
741  mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_EVENT);
742  mp->sw_if_index = ntohl (sw_if_index);
743  mp->client_index = reg->client_index;
744  mp->pid = reg->client_pid;
745  mp->flags = 0;
746  mp->flags |= (events & API_ADMIN_UP_EVENT) ?
747    IF_STATUS_API_FLAG_ADMIN_UP : 0;
748  mp->flags |= (events & API_LINK_STATE_UP_EVENT) ?
749    IF_STATUS_API_FLAG_LINK_UP : 0;
750  mp->flags = ntohl (mp->flags);
751  mp->deleted = events & API_SW_INTERFACE_DEL_EVENT ? true : false;
752  vl_api_send_msg (vl_reg, (u8 *) mp);
753}
754
755static uword
756link_state_process (vlib_main_t * vm,
757		    vlib_node_runtime_t * rt, vlib_frame_t * f)
758{
759  vpe_api_main_t *vam = &vpe_api_main;
760  uword *event_by_sw_if_index = 0;
761  vpe_client_registration_t *reg;
762  int i;
763  vl_api_registration_t *vl_reg;
764  uword event_type;
765  uword *event_data = 0;
766  u32 sw_if_index;
767
768  vam->link_state_process_up = 1;
769
770  while (1)
771    {
772      vlib_process_wait_for_event (vm);
773
774      /* Batch up events */
775      while ((event_type = vlib_process_get_events (vm, &event_data)) != ~0)
776	{
777	  for (i = 0; i < vec_len (event_data); i++)
778	    {
779	      sw_if_index = event_data[i];
780	      vec_validate_init_empty (event_by_sw_if_index, sw_if_index, 0);
781	      event_by_sw_if_index[sw_if_index] |= event_type;
782	    }
783	  vec_reset_length (event_data);
784	}
785
786      for (i = 0; i < vec_len (event_by_sw_if_index); i++)
787	{
788	  if (event_by_sw_if_index[i] == 0)
789	    continue;
790
791          /* *INDENT-OFF* */
792          pool_foreach(reg, vam->interface_events_registrations,
793          ({
794            vl_reg = vl_api_client_index_to_registration (reg->client_index);
795            if (vl_reg)
796	      send_sw_interface_event (vam, reg, vl_reg, i, event_by_sw_if_index[i]);
797          }));
798          /* *INDENT-ON* */
799	}
800      vec_reset_length (event_by_sw_if_index);
801    }
802
803  return 0;
804}
805
806static clib_error_t *link_up_down_function (vnet_main_t * vm, u32 hw_if_index,
807					    u32 flags);
808static clib_error_t *admin_up_down_function (vnet_main_t * vm,
809					     u32 hw_if_index, u32 flags);
810static clib_error_t *sw_interface_add_del_function (vnet_main_t * vm,
811						    u32 sw_if_index,
812						    u32 flags);
813
814/* *INDENT-OFF* */
815VLIB_REGISTER_NODE (link_state_process_node,static) = {
816  .function = link_state_process,
817  .type = VLIB_NODE_TYPE_PROCESS,
818  .name = "vpe-link-state-process",
819};
820/* *INDENT-ON* */
821
822VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (admin_up_down_function);
823VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (link_up_down_function);
824VNET_SW_INTERFACE_ADD_DEL_FUNCTION (sw_interface_add_del_function);
825
826static clib_error_t *
827link_up_down_function (vnet_main_t * vm, u32 hw_if_index, u32 flags)
828{
829  vpe_api_main_t *vam = &vpe_api_main;
830  vnet_hw_interface_t *hi = vnet_get_hw_interface (vm, hw_if_index);
831
832  if (vam->link_state_process_up)
833    {
834      enum api_events event = ((flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ?
835			       API_LINK_STATE_UP_EVENT :
836			       API_LINK_STATE_DOWN_EVENT);
837      vlib_process_signal_event (vam->vlib_main,
838				 link_state_process_node.index, event,
839				 hi->sw_if_index);
840    }
841  return 0;
842}
843
844static clib_error_t *
845admin_up_down_function (vnet_main_t * vm, u32 sw_if_index, u32 flags)
846{
847  vpe_api_main_t *vam = &vpe_api_main;
848
849  /*
850   * Note: it's perfectly fair to set a subif admin up / admin down.
851   * Note the subtle distinction between this routine and the previous
852   * routine.
853   */
854  if (vam->link_state_process_up)
855    {
856      enum api_events event = ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ?
857			       API_ADMIN_UP_EVENT : API_ADMIN_DOWN_EVENT);
858      vlib_process_signal_event (vam->vlib_main,
859				 link_state_process_node.index, event,
860				 sw_if_index);
861    }
862  return 0;
863}
864
865static clib_error_t *
866sw_interface_add_del_function (vnet_main_t * vm, u32 sw_if_index, u32 flags)
867{
868  vpe_api_main_t *vam = &vpe_api_main;
869
870  if (vam->link_state_process_up)
871    {
872      enum api_events event =
873	flags ? API_SW_INTERFACE_ADD_EVENT : API_SW_INTERFACE_DEL_EVENT;
874      vlib_process_signal_event (vam->vlib_main,
875				 link_state_process_node.index, event,
876				 sw_if_index);
877    }
878  return 0;
879}
880
881static void vl_api_sw_interface_tag_add_del_t_handler
882  (vl_api_sw_interface_tag_add_del_t * mp)
883{
884  vnet_main_t *vnm = vnet_get_main ();
885  vl_api_sw_interface_tag_add_del_reply_t *rmp;
886  int rv = 0;
887  u8 *tag;
888  u32 sw_if_index = ntohl (mp->sw_if_index);
889
890  VALIDATE_SW_IF_INDEX (mp);
891
892  if (mp->is_add)
893    {
894      if (mp->tag[0] == 0)
895	{
896	  rv = VNET_API_ERROR_INVALID_VALUE;
897	  goto out;
898	}
899
900      mp->tag[ARRAY_LEN (mp->tag) - 1] = 0;
901      tag = format (0, "%s%c", mp->tag, 0);
902      vnet_set_sw_interface_tag (vnm, tag, sw_if_index);
903    }
904  else
905    vnet_clear_sw_interface_tag (vnm, sw_if_index);
906
907  BAD_SW_IF_INDEX_LABEL;
908out:
909  REPLY_MACRO (VL_API_SW_INTERFACE_TAG_ADD_DEL_REPLY);
910}
911
912static void vl_api_sw_interface_add_del_mac_address_t_handler
913  (vl_api_sw_interface_add_del_mac_address_t * mp)
914{
915  vl_api_sw_interface_add_del_mac_address_reply_t *rmp;
916  vnet_main_t *vnm = vnet_get_main ();
917  u32 sw_if_index = ntohl (mp->sw_if_index);
918  vnet_hw_interface_t *hi;
919  clib_error_t *error;
920  int rv = 0;
921
922  VALIDATE_SW_IF_INDEX (mp);
923
924  /* for subifs, the MAC should be changed on the actual hw if */
925  hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
926  error = vnet_hw_interface_add_del_mac_address (vnm, hi->hw_if_index,
927						 mp->addr, mp->is_add);
928  if (error)
929    {
930      rv = VNET_API_ERROR_UNIMPLEMENTED;
931      clib_error_report (error);
932      goto out;
933    }
934
935  BAD_SW_IF_INDEX_LABEL;
936out:
937  REPLY_MACRO (VL_API_SW_INTERFACE_ADD_DEL_MAC_ADDRESS_REPLY);
938}
939
940static void vl_api_sw_interface_set_mac_address_t_handler
941  (vl_api_sw_interface_set_mac_address_t * mp)
942{
943  vl_api_sw_interface_set_mac_address_reply_t *rmp;
944  vnet_main_t *vnm = vnet_get_main ();
945  u32 sw_if_index = ntohl (mp->sw_if_index);
946  vnet_sw_interface_t *si;
947  clib_error_t *error;
948  int rv = 0;
949  mac_address_t mac;
950
951  VALIDATE_SW_IF_INDEX (mp);
952
953  si = vnet_get_sw_interface (vnm, sw_if_index);
954  mac_address_decode (mp->mac_address, &mac);
955  error =
956    vnet_hw_interface_change_mac_address (vnm, si->hw_if_index, (u8 *) & mac);
957  if (error)
958    {
959      rv = VNET_API_ERROR_UNIMPLEMENTED;
960      clib_error_report (error);
961      goto out;
962    }
963
964  BAD_SW_IF_INDEX_LABEL;
965out:
966  REPLY_MACRO (VL_API_SW_INTERFACE_SET_MAC_ADDRESS_REPLY);
967}
968
969static void vl_api_sw_interface_get_mac_address_t_handler
970  (vl_api_sw_interface_get_mac_address_t * mp)
971{
972  vl_api_sw_interface_get_mac_address_reply_t *rmp;
973  vl_api_registration_t *reg;
974  vnet_main_t *vnm = vnet_get_main ();
975  u32 sw_if_index = ntohl (mp->sw_if_index);
976  vnet_sw_interface_t *si;
977  ethernet_interface_t *eth_if = 0;
978  int rv = 0;
979
980  VALIDATE_SW_IF_INDEX (mp);
981
982  si = vnet_get_sup_sw_interface (vnm, sw_if_index);
983  if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
984    eth_if = ethernet_get_interface (&ethernet_main, si->hw_if_index);
985
986  BAD_SW_IF_INDEX_LABEL;
987
988  reg = vl_api_client_index_to_registration (mp->client_index);
989  if (!reg)
990    return;
991  rmp = vl_msg_api_alloc (sizeof (*rmp));
992  rmp->_vl_msg_id = htons (VL_API_SW_INTERFACE_GET_MAC_ADDRESS_REPLY);
993  rmp->context = mp->context;
994  rmp->retval = htonl (rv);
995  if (!rv && eth_if)
996    mac_address_encode ((mac_address_t *) eth_if->address, rmp->mac_address);
997  vl_api_send_msg (reg, (u8 *) rmp);
998}
999
1000static void vl_api_sw_interface_set_rx_mode_t_handler
1001  (vl_api_sw_interface_set_rx_mode_t * mp)
1002{
1003  vl_api_sw_interface_set_rx_mode_reply_t *rmp;
1004  vnet_main_t *vnm = vnet_get_main ();
1005  u32 sw_if_index = ntohl (mp->sw_if_index);
1006  vnet_sw_interface_t *si;
1007  clib_error_t *error;
1008  int rv = 0;
1009  vnet_hw_interface_rx_mode rx_mode;
1010
1011  VALIDATE_SW_IF_INDEX (mp);
1012
1013  si = vnet_get_sw_interface (vnm, sw_if_index);
1014  if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
1015    {
1016      rv = VNET_API_ERROR_INVALID_VALUE;
1017      goto bad_sw_if_index;
1018    }
1019
1020  rx_mode = (vnet_hw_interface_rx_mode) ntohl (mp->mode);
1021  error = set_hw_interface_change_rx_mode (vnm, si->hw_if_index,
1022					   mp->queue_id_valid,
1023					   ntohl (mp->queue_id),
1024					   (vnet_hw_interface_rx_mode)
1025					   rx_mode);
1026
1027  if (error)
1028    {
1029      rv = VNET_API_ERROR_UNIMPLEMENTED;
1030      clib_error_report (error);
1031      goto out;
1032    }
1033
1034  BAD_SW_IF_INDEX_LABEL;
1035out:
1036  REPLY_MACRO (VL_API_SW_INTERFACE_SET_RX_MODE_REPLY);
1037}
1038
1039static void
1040send_interface_rx_placement_details (vpe_api_main_t * am,
1041				     vl_api_registration_t * rp,
1042				     u32 sw_if_index, u32 worker_id,
1043				     u32 queue_id, u8 mode, u32 context)
1044{
1045  vl_api_sw_interface_rx_placement_details_t *mp;
1046  mp = vl_msg_api_alloc (sizeof (*mp));
1047  clib_memset (mp, 0, sizeof (*mp));
1048
1049  mp->_vl_msg_id = htons (VL_API_SW_INTERFACE_RX_PLACEMENT_DETAILS);
1050  mp->sw_if_index = htonl (sw_if_index);
1051  mp->queue_id = htonl (queue_id);
1052  mp->worker_id = htonl (worker_id);
1053  mp->mode = htonl (mode);
1054  mp->context = context;
1055
1056  vl_api_send_msg (rp, (u8 *) mp);
1057}
1058
1059static void vl_api_sw_interface_rx_placement_dump_t_handler
1060  (vl_api_sw_interface_rx_placement_dump_t * mp)
1061{
1062  vnet_main_t *vnm = vnet_get_main ();
1063  vpe_api_main_t *am = &vpe_api_main;
1064  u32 sw_if_index = ntohl (mp->sw_if_index);
1065  vl_api_registration_t *reg;
1066
1067  reg = vl_api_client_index_to_registration (mp->client_index);
1068  if (!reg)
1069    return;
1070
1071  if (sw_if_index == ~0)
1072    {
1073      vnet_device_input_runtime_t *rt;
1074      vnet_device_and_queue_t *dq;
1075      vlib_node_t *pn = vlib_get_node_by_name (am->vlib_main,
1076					       (u8 *) "device-input");
1077      uword si;
1078      int index = 0;
1079
1080      /* *INDENT-OFF* */
1081      foreach_vlib_main (({
1082        clib_bitmap_foreach (si, pn->sibling_bitmap,
1083        ({
1084          rt = vlib_node_get_runtime_data (this_vlib_main, si);
1085          vec_foreach (dq, rt->devices_and_queues)
1086            {
1087              vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm,
1088                                                             dq->hw_if_index);
1089              send_interface_rx_placement_details (am, reg, hw->sw_if_index, index,
1090                                          dq->queue_id, dq->mode, mp->context);
1091            }
1092        }));
1093        index++;
1094      }));
1095      /* *INDENT-ON* */
1096    }
1097  else
1098    {
1099      int i;
1100      vnet_sw_interface_t *si;
1101
1102      if (!vnet_sw_if_index_is_api_valid (sw_if_index))
1103	{
1104	  clib_warning ("sw_if_index %u does not exist", sw_if_index);
1105	  goto bad_sw_if_index;
1106	}
1107
1108      si = vnet_get_sw_interface (vnm, sw_if_index);
1109      if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
1110	{
1111	  clib_warning ("interface type is not HARDWARE! P2P, PIPE and SUB"
1112			" interfaces are not supported");
1113	  goto bad_sw_if_index;
1114	}
1115
1116      vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, si->hw_if_index);
1117
1118      for (i = 0; i < vec_len (hw->dq_runtime_index_by_queue); i++)
1119	{
1120	  send_interface_rx_placement_details (am, reg, hw->sw_if_index,
1121					       hw->input_node_thread_index_by_queue
1122					       [i], i,
1123					       hw->rx_mode_by_queue[i],
1124					       mp->context);
1125	}
1126    }
1127
1128  BAD_SW_IF_INDEX_LABEL;
1129}
1130
1131static void vl_api_sw_interface_set_rx_placement_t_handler
1132  (vl_api_sw_interface_set_rx_placement_t * mp)
1133{
1134  vl_api_sw_interface_set_rx_placement_reply_t *rmp;
1135  vnet_main_t *vnm = vnet_get_main ();
1136  u32 sw_if_index = ntohl (mp->sw_if_index);
1137  vnet_sw_interface_t *si;
1138  clib_error_t *error = 0;
1139  int rv = 0;
1140
1141  VALIDATE_SW_IF_INDEX (mp);
1142
1143  si = vnet_get_sw_interface (vnm, sw_if_index);
1144  if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
1145    {
1146      rv = VNET_API_ERROR_INVALID_VALUE;
1147      goto bad_sw_if_index;
1148    }
1149
1150  error = set_hw_interface_rx_placement (si->hw_if_index,
1151					 ntohl (mp->queue_id),
1152					 ntohl (mp->worker_id), mp->is_main);
1153  if (error)
1154    {
1155      rv = VNET_API_ERROR_UNIMPLEMENTED;
1156      clib_error_report (error);
1157      goto out;
1158    }
1159
1160  BAD_SW_IF_INDEX_LABEL;
1161out:
1162  REPLY_MACRO (VL_API_SW_INTERFACE_SET_RX_PLACEMENT_REPLY);
1163}
1164
1165static void
1166vl_api_create_vlan_subif_t_handler (vl_api_create_vlan_subif_t * mp)
1167{
1168  vl_api_create_vlan_subif_reply_t *rmp;
1169  vnet_main_t *vnm = vnet_get_main ();
1170  u32 sw_if_index = (u32) ~ 0;
1171  vnet_hw_interface_t *hi;
1172  int rv = 0;
1173  u32 id;
1174  vnet_sw_interface_t template;
1175  uword *p;
1176  vnet_interface_main_t *im = &vnm->interface_main;
1177  u64 sup_and_sub_key;
1178  vl_api_registration_t *reg;
1179  clib_error_t *error;
1180
1181  VALIDATE_SW_IF_INDEX (mp);
1182
1183  hi = vnet_get_sup_hw_interface (vnm, ntohl (mp->sw_if_index));
1184
1185  if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE)
1186    {
1187      rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED;
1188      goto out;
1189    }
1190
1191  id = ntohl (mp->vlan_id);
1192  if (id == 0 || id > 4095)
1193    {
1194      rv = VNET_API_ERROR_INVALID_VLAN;
1195      goto out;
1196    }
1197
1198  sup_and_sub_key = ((u64) (hi->sw_if_index) << 32) | (u64) id;
1199
1200  p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
1201  if (p)
1202    {
1203      rv = VNET_API_ERROR_VLAN_ALREADY_EXISTS;
1204      goto out;
1205    }
1206
1207  clib_memset (&template, 0, sizeof (template));
1208  template.type = VNET_SW_INTERFACE_TYPE_SUB;
1209  template.flood_class = VNET_FLOOD_CLASS_NORMAL;
1210  template.sup_sw_if_index = hi->sw_if_index;
1211  template.sub.id = id;
1212  template.sub.eth.raw_flags = 0;
1213  template.sub.eth.flags.one_tag = 1;
1214  template.sub.eth.outer_vlan_id = id;
1215  template.sub.eth.flags.exact_match = 1;
1216
1217  error = vnet_create_sw_interface (vnm, &template, &sw_if_index);
1218  if (error)
1219    {
1220      clib_error_report (error);
1221      rv = VNET_API_ERROR_INVALID_REGISTRATION;
1222      goto out;
1223    }
1224
1225  u64 *kp = clib_mem_alloc (sizeof (*kp));
1226  *kp = sup_and_sub_key;
1227
1228  hash_set (hi->sub_interface_sw_if_index_by_id, id, sw_if_index);
1229  hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index);
1230
1231  BAD_SW_IF_INDEX_LABEL;
1232
1233out:
1234  reg = vl_api_client_index_to_registration (mp->client_index);
1235  if (!reg)
1236    return;
1237
1238  rmp = vl_msg_api_alloc (sizeof (*rmp));
1239  rmp->_vl_msg_id = htons (VL_API_CREATE_VLAN_SUBIF_REPLY);
1240  rmp->context = mp->context;
1241  rmp->retval = htonl (rv);
1242  rmp->sw_if_index = htonl (sw_if_index);
1243  vl_api_send_msg (reg, (u8 *) rmp);
1244}
1245
1246static void
1247vl_api_create_subif_t_handler (vl_api_create_subif_t * mp)
1248{
1249  vl_api_create_subif_reply_t *rmp;
1250  vnet_main_t *vnm = vnet_get_main ();
1251  u32 sub_sw_if_index = ~0;
1252  vnet_hw_interface_t *hi;
1253  int rv = 0;
1254
1255  VALIDATE_SW_IF_INDEX (mp);
1256
1257  hi = vnet_get_sup_hw_interface (vnm, ntohl (mp->sw_if_index));
1258
1259  if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE)
1260    rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED;
1261  else
1262    rv = vnet_create_sub_interface (ntohl (mp->sw_if_index),
1263				    ntohl (mp->sub_id),
1264				    ntohl (mp->sub_if_flags),
1265				    ntohs (mp->inner_vlan_id),
1266				    ntohs (mp->outer_vlan_id),
1267				    &sub_sw_if_index);
1268
1269  BAD_SW_IF_INDEX_LABEL;
1270
1271  /* *INDENT-OFF* */
1272  REPLY_MACRO2(VL_API_CREATE_SUBIF_REPLY,
1273  ({
1274    rmp->sw_if_index = ntohl(sub_sw_if_index);
1275  }));
1276  /* *INDENT-ON* */
1277}
1278
1279static void
1280vl_api_delete_subif_t_handler (vl_api_delete_subif_t * mp)
1281{
1282  vl_api_delete_subif_reply_t *rmp;
1283  int rv;
1284
1285  rv = vnet_delete_sub_interface (ntohl (mp->sw_if_index));
1286
1287  REPLY_MACRO (VL_API_DELETE_SUBIF_REPLY);
1288}
1289
1290static void
1291vl_api_interface_name_renumber_t_handler (vl_api_interface_name_renumber_t *
1292					  mp)
1293{
1294  vl_api_interface_name_renumber_reply_t *rmp;
1295  int rv = 0;
1296
1297  VALIDATE_SW_IF_INDEX (mp);
1298
1299  rv = vnet_interface_name_renumber
1300    (ntohl (mp->sw_if_index), ntohl (mp->new_show_dev_instance));
1301
1302  BAD_SW_IF_INDEX_LABEL;
1303
1304  REPLY_MACRO (VL_API_INTERFACE_NAME_RENUMBER_REPLY);
1305}
1306
1307static void
1308vl_api_create_loopback_t_handler (vl_api_create_loopback_t * mp)
1309{
1310  vl_api_create_loopback_reply_t *rmp;
1311  u32 sw_if_index;
1312  int rv;
1313  mac_address_t mac;
1314
1315  mac_address_decode (mp->mac_address, &mac);
1316  rv = vnet_create_loopback_interface (&sw_if_index, (u8 *) & mac, 0, 0);
1317
1318  /* *INDENT-OFF* */
1319  REPLY_MACRO2(VL_API_CREATE_LOOPBACK_REPLY,
1320  ({
1321    rmp->sw_if_index = ntohl (sw_if_index);
1322  }));
1323  /* *INDENT-ON* */
1324}
1325
1326static void vl_api_create_loopback_instance_t_handler
1327  (vl_api_create_loopback_instance_t * mp)
1328{
1329  vl_api_create_loopback_instance_reply_t *rmp;
1330  u32 sw_if_index;
1331  u8 is_specified = mp->is_specified;
1332  u32 user_instance = ntohl (mp->user_instance);
1333  int rv;
1334  mac_address_t mac;
1335
1336  mac_address_decode (mp->mac_address, &mac);
1337  rv = vnet_create_loopback_interface (&sw_if_index, (u8 *) & mac,
1338				       is_specified, user_instance);
1339
1340  /* *INDENT-OFF* */
1341  REPLY_MACRO2(VL_API_CREATE_LOOPBACK_INSTANCE_REPLY,
1342  ({
1343    rmp->sw_if_index = ntohl (sw_if_index);
1344  }));
1345  /* *INDENT-ON* */
1346}
1347
1348static void
1349vl_api_delete_loopback_t_handler (vl_api_delete_loopback_t * mp)
1350{
1351  vl_api_delete_loopback_reply_t *rmp;
1352  u32 sw_if_index;
1353  int rv;
1354
1355  sw_if_index = ntohl (mp->sw_if_index);
1356  rv = vnet_delete_loopback_interface (sw_if_index);
1357
1358  REPLY_MACRO (VL_API_DELETE_LOOPBACK_REPLY);
1359}
1360
1361static void
1362  vl_api_collect_detailed_interface_stats_t_handler
1363  (vl_api_collect_detailed_interface_stats_t * mp)
1364{
1365  vl_api_collect_detailed_interface_stats_reply_t *rmp;
1366  int rv = 0;
1367
1368  rv =
1369    vnet_sw_interface_stats_collect_enable_disable (ntohl (mp->sw_if_index),
1370						    mp->enable_disable);
1371
1372  REPLY_MACRO (VL_API_COLLECT_DETAILED_INTERFACE_STATS_REPLY);
1373}
1374
1375static void
1376  vl_api_sw_interface_address_replace_begin_t_handler
1377  (vl_api_sw_interface_address_replace_begin_t * mp)
1378{
1379  vl_api_sw_interface_address_replace_begin_reply_t *rmp;
1380  int rv = 0;
1381
1382  ip_interface_address_mark ();
1383
1384  REPLY_MACRO (VL_API_SW_INTERFACE_ADDRESS_REPLACE_BEGIN_REPLY);
1385}
1386
1387static void
1388  vl_api_sw_interface_address_replace_end_t_handler
1389  (vl_api_sw_interface_address_replace_end_t * mp)
1390{
1391  vl_api_sw_interface_address_replace_end_reply_t *rmp;
1392  int rv = 0;
1393
1394  ip_interface_address_sweep ();
1395
1396  REPLY_MACRO (VL_API_SW_INTERFACE_ADDRESS_REPLACE_END_REPLY);
1397}
1398
1399/*
1400 * vpe_api_hookup
1401 * Add vpe's API message handlers to the table.
1402 * vlib has already mapped shared memory and
1403 * added the client registration handlers.
1404 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
1405 */
1406#define vl_msg_name_crc_list
1407#include <vnet/interface.api.h>
1408#undef vl_msg_name_crc_list
1409
1410static void
1411setup_message_id_table (api_main_t * am)
1412{
1413#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1414  foreach_vl_msg_name_crc_interface;
1415#undef _
1416}
1417
1418pub_sub_handler (interface_events, INTERFACE_EVENTS);
1419
1420static clib_error_t *
1421interface_api_hookup (vlib_main_t * vm)
1422{
1423  api_main_t *am = vlibapi_get_main ();
1424
1425#define _(N,n)                                                  \
1426    vl_msg_api_set_handlers(VL_API_##N, #n,                     \
1427                           vl_api_##n##_t_handler,              \
1428                           vl_noop_handler,                     \
1429                           vl_api_##n##_t_endian,               \
1430                           vl_api_##n##_t_print,                \
1431                           sizeof(vl_api_##n##_t), 1);
1432  foreach_vpe_api_msg;
1433#undef _
1434
1435  /* Mark these APIs as mp safe */
1436  am->is_mp_safe[VL_API_SW_INTERFACE_DUMP] = 1;
1437  am->is_mp_safe[VL_API_SW_INTERFACE_DETAILS] = 1;
1438  am->is_mp_safe[VL_API_SW_INTERFACE_TAG_ADD_DEL] = 1;
1439
1440  /* Do not replay VL_API_SW_INTERFACE_DUMP messages */
1441  am->api_trace_cfg[VL_API_SW_INTERFACE_DUMP].replay_enable = 0;
1442
1443  /*
1444   * Set up the (msg_name, crc, message-id) table
1445   */
1446  setup_message_id_table (am);
1447
1448  return 0;
1449}
1450
1451VLIB_API_INIT_FUNCTION (interface_api_hookup);
1452
1453/*
1454 * fd.io coding-style-patch-verification: ON
1455 *
1456 * Local Variables:
1457 * eval: (c-set-style "gnu")
1458 * End:
1459 */
1460