2 *------------------------------------------------------------------
3 * interface_api.c - vnet interface api
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:
10 * http://www.apache.org/licenses/LICENSE-2.0
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 *------------------------------------------------------------------
20 #include <vnet/vnet.h>
21 #include <vlibmemory/api.h>
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>
34 #include <vlibapi/api_types.h>
36 #include <vnet/ip/ip_types_api.h>
37 #include <vnet/ethernet/ethernet_types_api.h>
39 #define vl_typedefs /* define message structures */
40 #include <vnet/vnet_all_api_h.h>
43 #define vl_endianfun /* define message structures */
44 #include <vnet/vnet_all_api_h.h>
47 /* instantiate all the print functions we know about */
48 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
50 #include <vnet/vnet_all_api_h.h>
53 #include <vlibapi/api_helper_macros.h>
54 vpe_api_main_t vpe_api_main;
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)
86 vl_api_sw_interface_set_flags_t_handler (vl_api_sw_interface_set_flags_t * mp)
88 vl_api_sw_interface_set_flags_reply_t *rmp;
89 vnet_main_t *vnm = vnet_get_main ();
94 VALIDATE_SW_IF_INDEX (mp);
97 ((ntohl (mp->flags)) & IF_STATUS_API_FLAG_ADMIN_UP) ?
98 VNET_SW_INTERFACE_FLAG_ADMIN_UP : 0;
100 error = vnet_sw_interface_set_flags (vnm, ntohl (mp->sw_if_index), flags);
104 clib_error_report (error);
107 BAD_SW_IF_INDEX_LABEL;
108 REPLY_MACRO (VL_API_SW_INTERFACE_SET_FLAGS_REPLY);
112 vl_api_hw_interface_set_mtu_t_handler (vl_api_hw_interface_set_mtu_t * mp)
114 vl_api_hw_interface_set_mtu_reply_t *rmp;
115 vnet_main_t *vnm = vnet_get_main ();
116 u32 sw_if_index = ntohl (mp->sw_if_index);
117 u16 mtu = ntohs (mp->mtu);
118 ethernet_main_t *em = ðernet_main;
121 VALIDATE_SW_IF_INDEX (mp);
123 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
124 if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
126 rv = VNET_API_ERROR_INVALID_VALUE;
127 goto bad_sw_if_index;
130 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, si->hw_if_index);
131 ethernet_interface_t *eif = ethernet_get_interface (em, si->hw_if_index);
135 rv = VNET_API_ERROR_FEATURE_DISABLED;
136 goto bad_sw_if_index;
139 if (mtu < hi->min_supported_packet_bytes)
141 rv = VNET_API_ERROR_INVALID_VALUE;
142 goto bad_sw_if_index;
145 if (mtu > hi->max_supported_packet_bytes)
147 rv = VNET_API_ERROR_INVALID_VALUE;
148 goto bad_sw_if_index;
151 vnet_hw_interface_set_mtu (vnm, si->hw_if_index, mtu);
153 BAD_SW_IF_INDEX_LABEL;
154 REPLY_MACRO (VL_API_HW_INTERFACE_SET_MTU_REPLY);
158 vl_api_sw_interface_set_mtu_t_handler (vl_api_sw_interface_set_mtu_t * mp)
160 vl_api_sw_interface_set_mtu_reply_t *rmp;
161 vnet_main_t *vnm = vnet_get_main ();
162 u32 sw_if_index = ntohl (mp->sw_if_index);
165 u32 per_protocol_mtu[VNET_N_MTU];
167 VALIDATE_SW_IF_INDEX (mp);
169 for (i = 0; i < VNET_N_MTU; i++)
171 per_protocol_mtu[i] = ntohl (mp->mtu[i]);
172 clib_warning ("MTU %u", per_protocol_mtu[i]);
174 vnet_sw_interface_set_protocol_mtu (vnm, sw_if_index, per_protocol_mtu);
176 BAD_SW_IF_INDEX_LABEL;
177 REPLY_MACRO (VL_API_SW_INTERFACE_SET_MTU_REPLY);
181 vl_api_sw_interface_set_ip_directed_broadcast_t_handler
182 (vl_api_sw_interface_set_ip_directed_broadcast_t * mp)
184 vl_api_sw_interface_set_ip_directed_broadcast_reply_t *rmp;
185 u32 sw_if_index = ntohl (mp->sw_if_index);
188 VALIDATE_SW_IF_INDEX (mp);
190 vnet_sw_interface_ip_directed_broadcast (vnet_get_main (),
191 sw_if_index, mp->enable);
193 BAD_SW_IF_INDEX_LABEL;
194 REPLY_MACRO (VL_API_SW_INTERFACE_SET_IP_DIRECTED_BROADCAST_REPLY);
198 send_sw_interface_details (vpe_api_main_t * am,
199 vl_api_registration_t * rp,
200 vnet_sw_interface_t * swif,
201 u8 * interface_name, u32 context)
203 vnet_hw_interface_t *hi =
204 vnet_get_sup_hw_interface (am->vnet_main, swif->sw_if_index);
205 vnet_device_class_t *dev_class =
206 vnet_get_device_class (am->vnet_main, hi->dev_class_index);
208 vl_api_sw_interface_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
209 clib_memset (mp, 0, sizeof (*mp));
210 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_DETAILS);
211 mp->sw_if_index = ntohl (swif->sw_if_index);
212 mp->sup_sw_if_index = ntohl (swif->sup_sw_if_index);
214 mp->flags |= (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ?
215 IF_STATUS_API_FLAG_ADMIN_UP : 0;
216 mp->flags |= (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ?
217 IF_STATUS_API_FLAG_LINK_UP : 0;
218 mp->flags = ntohl (mp->flags);
222 case VNET_SW_INTERFACE_TYPE_SUB:
223 mp->type = IF_API_TYPE_SUB;
225 case VNET_SW_INTERFACE_TYPE_P2P:
226 mp->type = IF_API_TYPE_P2P;
228 case VNET_SW_INTERFACE_TYPE_PIPE:
229 mp->type = IF_API_TYPE_PIPE;
232 mp->type = IF_API_TYPE_HARDWARE;
234 mp->type = ntohl (mp->type);
236 mp->link_duplex = ((hi->flags & VNET_HW_INTERFACE_FLAG_DUPLEX_MASK) >>
237 VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT);
238 mp->link_speed = ntohl (hi->link_speed);
239 mp->link_mtu = ntohs (hi->max_packet_bytes);
240 mp->mtu[VNET_MTU_L3] = ntohl (swif->mtu[VNET_MTU_L3]);
241 mp->mtu[VNET_MTU_IP4] = ntohl (swif->mtu[VNET_MTU_IP4]);
242 mp->mtu[VNET_MTU_IP6] = ntohl (swif->mtu[VNET_MTU_IP6]);
243 mp->mtu[VNET_MTU_MPLS] = ntohl (swif->mtu[VNET_MTU_MPLS]);
245 mp->context = context;
247 strncpy ((char *) mp->interface_name,
248 (char *) interface_name, ARRAY_LEN (mp->interface_name) - 1);
250 if (dev_class && dev_class->name)
251 strncpy ((char *) mp->interface_dev_type, (char *) dev_class->name,
252 ARRAY_LEN (mp->interface_dev_type) - 1);
254 /* Send the L2 address for ethernet physical intfcs */
255 if (swif->sup_sw_if_index == swif->sw_if_index
256 && hi->hw_class_index == ethernet_hw_interface_class.index)
258 ethernet_main_t *em = ethernet_get_main (am->vlib_main);
259 ethernet_interface_t *ei;
261 ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
262 ASSERT (sizeof (mp->l2_address) >= sizeof (ei->address));
263 mac_address_encode ((mac_address_t *) ei->address, mp->l2_address);
265 else if (swif->sup_sw_if_index != swif->sw_if_index)
267 vnet_sub_interface_t *sub = &swif->sub;
268 mp->sub_id = ntohl (sub->id);
269 mp->sub_number_of_tags =
270 sub->eth.flags.one_tag + sub->eth.flags.two_tags * 2;
271 mp->sub_outer_vlan_id = ntohs (sub->eth.outer_vlan_id);
272 mp->sub_inner_vlan_id = ntohs (sub->eth.inner_vlan_id);
274 ntohl (sub->eth.raw_flags & SUB_IF_API_FLAG_MASK_VNET);
277 /* vlan tag rewrite data */
278 u32 vtr_op = L2_VTR_DISABLED;
279 u32 vtr_push_dot1q = 0, vtr_tag1 = 0, vtr_tag2 = 0;
281 if (l2vtr_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
282 &vtr_op, &vtr_push_dot1q, &vtr_tag1, &vtr_tag2) != 0)
284 // error - default to disabled
285 mp->vtr_op = ntohl (L2_VTR_DISABLED);
286 clib_warning ("cannot get vlan tag rewrite for sw_if_index %d",
291 mp->vtr_op = ntohl (vtr_op);
292 mp->vtr_push_dot1q = ntohl (vtr_push_dot1q);
293 mp->vtr_tag1 = ntohl (vtr_tag1);
294 mp->vtr_tag2 = ntohl (vtr_tag2);
297 /* pbb tag rewrite data */
298 ethernet_header_t eth_hdr;
299 u32 pbb_vtr_op = L2_VTR_DISABLED;
303 clib_memset (ð_hdr, 0, sizeof (eth_hdr));
305 if (!l2pbb_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
306 &pbb_vtr_op, &outer_tag, ð_hdr, &b_vlanid, &i_sid))
308 mp->sub_if_flags |= ntohl (SUB_IF_API_FLAG_DOT1AH);
309 mac_address_encode ((mac_address_t *) eth_hdr.dst_address, mp->b_dmac);
310 mac_address_encode ((mac_address_t *) eth_hdr.src_address, mp->b_smac);
311 mp->b_vlanid = b_vlanid;
315 u8 *tag = vnet_get_sw_interface_tag (vnet_get_main (), swif->sw_if_index);
317 strncpy ((char *) mp->tag, (char *) tag, ARRAY_LEN (mp->tag) - 1);
319 vl_api_send_msg (rp, (u8 *) mp);
323 vl_api_sw_interface_dump_t_handler (vl_api_sw_interface_dump_t * mp)
325 vpe_api_main_t *am = &vpe_api_main;
326 vnet_sw_interface_t *swif;
327 vnet_interface_main_t *im = &am->vnet_main->interface_main;
328 vl_api_registration_t *rp;
331 rp = vl_api_client_index_to_registration (mp->client_index);
335 clib_warning ("Client %d AWOL", mp->client_index);
339 u8 *filter = 0, *name = 0;
340 sw_if_index = ntohl (mp->sw_if_index);
342 if (!mp->name_filter_valid && sw_if_index != ~0 && sw_if_index != 0)
344 /* is it a valid sw_if_index? */
345 if (!vnet_sw_if_index_is_api_valid (sw_if_index))
348 swif = vec_elt_at_index (im->sw_interfaces, sw_if_index);
350 vec_reset_length (name);
352 format (name, "%U%c", format_vnet_sw_interface_name, am->vnet_main,
354 send_sw_interface_details (am, rp, swif, name, mp->context);
359 if (mp->name_filter_valid)
361 filter = vl_api_from_api_to_new_vec (&mp->name_filter);
362 vec_add1 (filter, 0); /* Ensure it's a C string for strcasecmp() */
365 char *strcasestr (char *, char *); /* lnx hdr file botch */
367 pool_foreach (swif, im->sw_interfaces,
369 if (!vnet_swif_is_api_visible (swif))
371 vec_reset_length(name);
372 name = format (name, "%U%c", format_vnet_sw_interface_name, am->vnet_main,
375 if (filter && !strcasestr((char *) name, (char *) filter))
378 send_sw_interface_details (am, rp, swif, name, mp->context);
387 vl_api_sw_interface_add_del_address_t_handler
388 (vl_api_sw_interface_add_del_address_t * mp)
390 vlib_main_t *vm = vlib_get_main ();
391 vnet_main_t *vnm = vnet_get_main ();
392 vl_api_sw_interface_add_del_address_reply_t *rmp;
395 clib_error_t *error = 0;
396 ip46_address_t address;
398 VALIDATE_SW_IF_INDEX (mp);
400 is_del = mp->is_add == 0;
404 ip_del_all_interface_addresses (vm, ntohl (mp->sw_if_index));
405 else if (ip_address_decode (&mp->prefix.address, &address) == IP46_TYPE_IP6)
406 error = ip6_add_del_interface_address (vm, ntohl (mp->sw_if_index),
407 (void *) &address.ip6,
408 mp->prefix.len, is_del);
410 error = ip4_add_del_interface_address (vm, ntohl (mp->sw_if_index),
411 (void *) &address.ip4,
412 mp->prefix.len, is_del);
417 clib_error_report (error);
421 BAD_SW_IF_INDEX_LABEL;
424 REPLY_MACRO (VL_API_SW_INTERFACE_ADD_DEL_ADDRESS_REPLY);
428 vl_api_sw_interface_set_table_t_handler (vl_api_sw_interface_set_table_t * mp)
430 vl_api_sw_interface_set_table_reply_t *rmp;
431 u32 sw_if_index = ntohl (mp->sw_if_index);
432 u32 table_id = ntohl (mp->vrf_id);
435 VALIDATE_SW_IF_INDEX (mp);
438 rv = ip_table_bind (FIB_PROTOCOL_IP6, sw_if_index, table_id, 1);
440 rv = ip_table_bind (FIB_PROTOCOL_IP4, sw_if_index, table_id, 1);
442 BAD_SW_IF_INDEX_LABEL;
444 REPLY_MACRO (VL_API_SW_INTERFACE_SET_TABLE_REPLY);
448 ip_table_bind (fib_protocol_t fproto,
449 u32 sw_if_index, u32 table_id, u8 is_api)
451 CLIB_UNUSED (ip_interface_address_t * ia);
452 u32 fib_index, mfib_index;
458 src = FIB_SOURCE_API;
459 msrc = MFIB_SOURCE_API;
463 src = FIB_SOURCE_CLI;
464 msrc = MFIB_SOURCE_CLI;
468 * This if table does not exist = error is what we want in the end.
470 fib_index = fib_table_find (fproto, table_id);
471 mfib_index = mfib_table_find (fproto, table_id);
473 if (~0 == fib_index || ~0 == mfib_index)
475 return (VNET_API_ERROR_NO_SUCH_FIB);
478 if (FIB_PROTOCOL_IP6 == fproto)
481 * If the interface already has in IP address, then a change int
482 * VRF is not allowed. The IP address applied must first be removed.
483 * We do not do that automatically here, since VPP has no knowledge
484 * of whether those subnets are valid in the destination VRF.
487 foreach_ip_interface_address (&ip6_main.lookup_main,
489 1 /* honor unnumbered */ ,
491 return (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE);
495 vec_validate (ip6_main.fib_index_by_sw_if_index, sw_if_index);
496 vec_validate (ip6_main.mfib_index_by_sw_if_index, sw_if_index);
499 * tell those that are interested that the binding is changing.
501 ip6_table_bind_callback_t *cb;
502 vec_foreach (cb, ip6_main.table_bind_callbacks)
503 cb->function (&ip6_main, cb->function_opaque,
506 ip6_main.fib_index_by_sw_if_index[sw_if_index]);
510 /* reset back to default */
511 if (0 != ip6_main.fib_index_by_sw_if_index[sw_if_index])
512 fib_table_unlock (ip6_main.fib_index_by_sw_if_index[sw_if_index],
513 FIB_PROTOCOL_IP6, src);
514 if (0 != ip6_main.mfib_index_by_sw_if_index[sw_if_index])
515 mfib_table_unlock (ip6_main.mfib_index_by_sw_if_index
516 [sw_if_index], FIB_PROTOCOL_IP6, msrc);
521 /* we need to lock the table now it's inuse */
522 fib_table_lock (fib_index, FIB_PROTOCOL_IP6, src);
523 mfib_table_lock (mfib_index, FIB_PROTOCOL_IP6, msrc);
526 ip6_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
527 ip6_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index;
532 * If the interface already has in IP address, then a change int
533 * VRF is not allowed. The IP address applied must first be removed.
534 * We do not do that automatically here, since VPP has no knowledge
535 * of whether those subnets are valid in the destination VRF.
538 foreach_ip_interface_address (&ip4_main.lookup_main,
540 1 /* honor unnumbered */ ,
542 return (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE);
546 vec_validate (ip4_main.fib_index_by_sw_if_index, sw_if_index);
547 vec_validate (ip4_main.mfib_index_by_sw_if_index, sw_if_index);
550 * tell those that are interested that the binding is changing.
552 ip4_table_bind_callback_t *cb;
553 vec_foreach (cb, ip4_main.table_bind_callbacks)
554 cb->function (&ip4_main, cb->function_opaque,
557 ip4_main.fib_index_by_sw_if_index[sw_if_index]);
561 /* reset back to default */
562 if (0 != ip4_main.fib_index_by_sw_if_index[sw_if_index])
563 fib_table_unlock (ip4_main.fib_index_by_sw_if_index[sw_if_index],
564 FIB_PROTOCOL_IP4, src);
565 if (0 != ip4_main.mfib_index_by_sw_if_index[sw_if_index])
566 mfib_table_unlock (ip4_main.mfib_index_by_sw_if_index
567 [sw_if_index], FIB_PROTOCOL_IP4, msrc);
572 /* we need to lock the table now it's inuse */
573 fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
576 mfib_index = mfib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
580 ip4_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
581 ip4_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index;
588 send_sw_interface_get_table_reply (vl_api_registration_t * reg,
589 u32 context, int retval, u32 vrf_id)
591 vl_api_sw_interface_get_table_reply_t *mp;
593 mp = vl_msg_api_alloc (sizeof (*mp));
594 clib_memset (mp, 0, sizeof (*mp));
595 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_GET_TABLE_REPLY);
596 mp->context = context;
597 mp->retval = htonl (retval);
598 mp->vrf_id = htonl (vrf_id);
600 vl_api_send_msg (reg, (u8 *) mp);
604 vl_api_sw_interface_get_table_t_handler (vl_api_sw_interface_get_table_t * mp)
606 vl_api_registration_t *reg;
607 fib_table_t *fib_table = 0;
608 u32 sw_if_index = ~0;
611 fib_protocol_t fib_proto = FIB_PROTOCOL_IP4;
614 reg = vl_api_client_index_to_registration (mp->client_index);
618 VALIDATE_SW_IF_INDEX (mp);
620 sw_if_index = ntohl (mp->sw_if_index);
623 fib_proto = FIB_PROTOCOL_IP6;
625 fib_index = fib_table_get_index_for_sw_if_index (fib_proto, sw_if_index);
628 fib_table = fib_table_get (fib_index, fib_proto);
629 table_id = fib_table->ft_table_id;
632 BAD_SW_IF_INDEX_LABEL;
634 send_sw_interface_get_table_reply (reg, mp->context, rv, table_id);
637 static void vl_api_sw_interface_set_unnumbered_t_handler
638 (vl_api_sw_interface_set_unnumbered_t * mp)
640 vl_api_sw_interface_set_unnumbered_reply_t *rmp;
642 vnet_main_t *vnm = vnet_get_main ();
643 u32 sw_if_index = ntohl (mp->sw_if_index);
644 u32 unnumbered_sw_if_index = ntohl (mp->unnumbered_sw_if_index);
647 * The API message field names are backwards from
648 * the underlying data structure names.
649 * It's not worth changing them now.
651 if (!vnet_sw_interface_is_api_valid (vnm, unnumbered_sw_if_index))
653 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
657 /* Only check the "use loop0" field when setting the binding */
658 if (mp->is_add && !vnet_sw_interface_is_api_valid (vnm, sw_if_index))
660 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX_2;
664 vnet_sw_interface_update_unnumbered (unnumbered_sw_if_index,
665 sw_if_index, mp->is_add);
667 REPLY_MACRO (VL_API_SW_INTERFACE_SET_UNNUMBERED_REPLY);
671 vl_api_sw_interface_clear_stats_t_handler (vl_api_sw_interface_clear_stats_t *
674 vl_api_sw_interface_clear_stats_reply_t *rmp;
676 vnet_main_t *vnm = vnet_get_main ();
677 vnet_interface_main_t *im = &vnm->interface_main;
678 vlib_simple_counter_main_t *sm;
679 vlib_combined_counter_main_t *cm;
683 if (mp->sw_if_index != ~0)
684 VALIDATE_SW_IF_INDEX (mp);
686 n_counters = vec_len (im->combined_sw_if_counters);
688 for (j = 0; j < n_counters; j++)
690 im = &vnm->interface_main;
691 cm = im->combined_sw_if_counters + j;
692 if (mp->sw_if_index == (u32) ~ 0)
693 vlib_clear_combined_counters (cm);
695 vlib_zero_combined_counter (cm, ntohl (mp->sw_if_index));
698 n_counters = vec_len (im->sw_if_counters);
700 for (j = 0; j < n_counters; j++)
702 im = &vnm->interface_main;
703 sm = im->sw_if_counters + j;
704 if (mp->sw_if_index == (u32) ~ 0)
705 vlib_clear_simple_counters (sm);
707 vlib_zero_simple_counter (sm, ntohl (mp->sw_if_index));
710 BAD_SW_IF_INDEX_LABEL;
712 REPLY_MACRO (VL_API_SW_INTERFACE_CLEAR_STATS_REPLY);
716 * Events used for sw_interface_events
720 API_LINK_STATE_UP_EVENT = 1 << 1,
721 API_LINK_STATE_DOWN_EVENT = 1 << 2,
722 API_ADMIN_UP_EVENT = 1 << 3,
723 API_ADMIN_DOWN_EVENT = 1 << 4,
724 API_SW_INTERFACE_ADD_EVENT = 1 << 5,
725 API_SW_INTERFACE_DEL_EVENT = 1 << 6,
729 send_sw_interface_event (vpe_api_main_t * am,
730 vpe_client_registration_t * reg,
731 vl_api_registration_t * vl_reg,
732 u32 sw_if_index, enum api_events events)
734 vl_api_sw_interface_event_t *mp;
736 mp = vl_msg_api_alloc (sizeof (*mp));
737 clib_memset (mp, 0, sizeof (*mp));
738 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_EVENT);
739 mp->sw_if_index = ntohl (sw_if_index);
740 mp->client_index = reg->client_index;
741 mp->pid = reg->client_pid;
743 mp->flags |= (events & API_ADMIN_UP_EVENT) ?
744 IF_STATUS_API_FLAG_ADMIN_UP : 0;
745 mp->flags |= (events & API_LINK_STATE_UP_EVENT) ?
746 IF_STATUS_API_FLAG_LINK_UP : 0;
747 mp->flags = ntohl (mp->flags);
748 mp->deleted = events & API_SW_INTERFACE_DEL_EVENT ? true : false;
749 vl_api_send_msg (vl_reg, (u8 *) mp);
753 link_state_process (vlib_main_t * vm,
754 vlib_node_runtime_t * rt, vlib_frame_t * f)
756 vpe_api_main_t *vam = &vpe_api_main;
757 uword *event_by_sw_if_index = 0;
758 vpe_client_registration_t *reg;
760 vl_api_registration_t *vl_reg;
762 uword *event_data = 0;
765 vam->link_state_process_up = 1;
769 vlib_process_wait_for_event (vm);
771 /* Batch up events */
772 while ((event_type = vlib_process_get_events (vm, &event_data)) != ~0)
774 for (i = 0; i < vec_len (event_data); i++)
776 sw_if_index = event_data[i];
777 vec_validate_init_empty (event_by_sw_if_index, sw_if_index, 0);
778 event_by_sw_if_index[sw_if_index] |= event_type;
780 vec_reset_length (event_data);
783 for (i = 0; i < vec_len (event_by_sw_if_index); i++)
785 if (event_by_sw_if_index[i] == 0)
789 pool_foreach(reg, vam->interface_events_registrations,
791 vl_reg = vl_api_client_index_to_registration (reg->client_index);
793 send_sw_interface_event (vam, reg, vl_reg, i, event_by_sw_if_index[i]);
797 vec_reset_length (event_by_sw_if_index);
803 static clib_error_t *link_up_down_function (vnet_main_t * vm, u32 hw_if_index,
805 static clib_error_t *admin_up_down_function (vnet_main_t * vm,
806 u32 hw_if_index, u32 flags);
807 static clib_error_t *sw_interface_add_del_function (vnet_main_t * vm,
812 VLIB_REGISTER_NODE (link_state_process_node,static) = {
813 .function = link_state_process,
814 .type = VLIB_NODE_TYPE_PROCESS,
815 .name = "vpe-link-state-process",
819 VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (admin_up_down_function);
820 VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (link_up_down_function);
821 VNET_SW_INTERFACE_ADD_DEL_FUNCTION (sw_interface_add_del_function);
823 static clib_error_t *
824 link_up_down_function (vnet_main_t * vm, u32 hw_if_index, u32 flags)
826 vpe_api_main_t *vam = &vpe_api_main;
827 vnet_hw_interface_t *hi = vnet_get_hw_interface (vm, hw_if_index);
829 if (vam->link_state_process_up)
831 enum api_events event = ((flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ?
832 API_LINK_STATE_UP_EVENT :
833 API_LINK_STATE_DOWN_EVENT);
834 vlib_process_signal_event (vam->vlib_main,
835 link_state_process_node.index, event,
841 static clib_error_t *
842 admin_up_down_function (vnet_main_t * vm, u32 sw_if_index, u32 flags)
844 vpe_api_main_t *vam = &vpe_api_main;
847 * Note: it's perfectly fair to set a subif admin up / admin down.
848 * Note the subtle distinction between this routine and the previous
851 if (vam->link_state_process_up)
853 enum api_events event = ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ?
854 API_ADMIN_UP_EVENT : API_ADMIN_DOWN_EVENT);
855 vlib_process_signal_event (vam->vlib_main,
856 link_state_process_node.index, event,
862 static clib_error_t *
863 sw_interface_add_del_function (vnet_main_t * vm, u32 sw_if_index, u32 flags)
865 vpe_api_main_t *vam = &vpe_api_main;
867 if (vam->link_state_process_up)
869 enum api_events event =
870 flags ? API_SW_INTERFACE_ADD_EVENT : API_SW_INTERFACE_DEL_EVENT;
871 vlib_process_signal_event (vam->vlib_main,
872 link_state_process_node.index, event,
878 static void vl_api_sw_interface_tag_add_del_t_handler
879 (vl_api_sw_interface_tag_add_del_t * mp)
881 vnet_main_t *vnm = vnet_get_main ();
882 vl_api_sw_interface_tag_add_del_reply_t *rmp;
885 u32 sw_if_index = ntohl (mp->sw_if_index);
887 VALIDATE_SW_IF_INDEX (mp);
893 rv = VNET_API_ERROR_INVALID_VALUE;
897 mp->tag[ARRAY_LEN (mp->tag) - 1] = 0;
898 tag = format (0, "%s%c", mp->tag, 0);
899 vnet_set_sw_interface_tag (vnm, tag, sw_if_index);
902 vnet_clear_sw_interface_tag (vnm, sw_if_index);
904 BAD_SW_IF_INDEX_LABEL;
906 REPLY_MACRO (VL_API_SW_INTERFACE_TAG_ADD_DEL_REPLY);
909 static void vl_api_sw_interface_add_del_mac_address_t_handler
910 (vl_api_sw_interface_add_del_mac_address_t * mp)
912 vl_api_sw_interface_add_del_mac_address_reply_t *rmp;
913 vnet_main_t *vnm = vnet_get_main ();
914 u32 sw_if_index = ntohl (mp->sw_if_index);
915 vnet_hw_interface_t *hi;
919 VALIDATE_SW_IF_INDEX (mp);
921 /* for subifs, the MAC should be changed on the actual hw if */
922 hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
923 error = vnet_hw_interface_add_del_mac_address (vnm, hi->hw_if_index,
924 mp->addr, mp->is_add);
927 rv = VNET_API_ERROR_UNIMPLEMENTED;
928 clib_error_report (error);
932 BAD_SW_IF_INDEX_LABEL;
934 REPLY_MACRO (VL_API_SW_INTERFACE_ADD_DEL_MAC_ADDRESS_REPLY);
937 static void vl_api_sw_interface_set_mac_address_t_handler
938 (vl_api_sw_interface_set_mac_address_t * mp)
940 vl_api_sw_interface_set_mac_address_reply_t *rmp;
941 vnet_main_t *vnm = vnet_get_main ();
942 u32 sw_if_index = ntohl (mp->sw_if_index);
943 vnet_sw_interface_t *si;
948 VALIDATE_SW_IF_INDEX (mp);
950 si = vnet_get_sw_interface (vnm, sw_if_index);
951 mac_address_decode (mp->mac_address, &mac);
953 vnet_hw_interface_change_mac_address (vnm, si->hw_if_index, (u8 *) & mac);
956 rv = VNET_API_ERROR_UNIMPLEMENTED;
957 clib_error_report (error);
961 BAD_SW_IF_INDEX_LABEL;
963 REPLY_MACRO (VL_API_SW_INTERFACE_SET_MAC_ADDRESS_REPLY);
966 static void vl_api_sw_interface_get_mac_address_t_handler
967 (vl_api_sw_interface_get_mac_address_t * mp)
969 vl_api_sw_interface_get_mac_address_reply_t *rmp;
970 vl_api_registration_t *reg;
971 vnet_main_t *vnm = vnet_get_main ();
972 u32 sw_if_index = ntohl (mp->sw_if_index);
973 vnet_sw_interface_t *si;
974 ethernet_interface_t *eth_if = 0;
977 VALIDATE_SW_IF_INDEX (mp);
979 si = vnet_get_sup_sw_interface (vnm, sw_if_index);
980 if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
981 eth_if = ethernet_get_interface (ðernet_main, si->hw_if_index);
983 BAD_SW_IF_INDEX_LABEL;
985 reg = vl_api_client_index_to_registration (mp->client_index);
988 rmp = vl_msg_api_alloc (sizeof (*rmp));
989 rmp->_vl_msg_id = htons (VL_API_SW_INTERFACE_GET_MAC_ADDRESS_REPLY);
990 rmp->context = mp->context;
991 rmp->retval = htonl (rv);
993 mac_address_encode ((mac_address_t *) eth_if->address, rmp->mac_address);
994 vl_api_send_msg (reg, (u8 *) rmp);
997 static void vl_api_sw_interface_set_rx_mode_t_handler
998 (vl_api_sw_interface_set_rx_mode_t * mp)
1000 vl_api_sw_interface_set_rx_mode_reply_t *rmp;
1001 vnet_main_t *vnm = vnet_get_main ();
1002 u32 sw_if_index = ntohl (mp->sw_if_index);
1003 vnet_sw_interface_t *si;
1004 clib_error_t *error;
1007 VALIDATE_SW_IF_INDEX (mp);
1009 si = vnet_get_sw_interface (vnm, sw_if_index);
1010 if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
1012 rv = VNET_API_ERROR_INVALID_VALUE;
1013 goto bad_sw_if_index;
1016 error = set_hw_interface_change_rx_mode (vnm, si->hw_if_index,
1018 ntohl (mp->queue_id),
1019 (vnet_hw_interface_rx_mode)
1024 rv = VNET_API_ERROR_UNIMPLEMENTED;
1025 clib_error_report (error);
1029 BAD_SW_IF_INDEX_LABEL;
1031 REPLY_MACRO (VL_API_SW_INTERFACE_SET_RX_MODE_REPLY);
1035 send_interface_rx_placement_details (vpe_api_main_t * am,
1036 vl_api_registration_t * rp,
1037 u32 sw_if_index, u32 worker_id,
1038 u32 queue_id, u8 mode, u32 context)
1040 vl_api_sw_interface_rx_placement_details_t *mp;
1041 mp = vl_msg_api_alloc (sizeof (*mp));
1042 clib_memset (mp, 0, sizeof (*mp));
1044 mp->_vl_msg_id = htons (VL_API_SW_INTERFACE_RX_PLACEMENT_DETAILS);
1045 mp->sw_if_index = htonl (sw_if_index);
1046 mp->queue_id = htonl (queue_id);
1047 mp->worker_id = htonl (worker_id);
1049 mp->context = context;
1051 vl_api_send_msg (rp, (u8 *) mp);
1054 static void vl_api_sw_interface_rx_placement_dump_t_handler
1055 (vl_api_sw_interface_rx_placement_dump_t * mp)
1057 vnet_main_t *vnm = vnet_get_main ();
1058 vpe_api_main_t *am = &vpe_api_main;
1059 u32 sw_if_index = ntohl (mp->sw_if_index);
1060 vl_api_registration_t *reg;
1062 reg = vl_api_client_index_to_registration (mp->client_index);
1066 if (sw_if_index == ~0)
1068 vnet_device_input_runtime_t *rt;
1069 vnet_device_and_queue_t *dq;
1070 vlib_node_t *pn = vlib_get_node_by_name (am->vlib_main,
1071 (u8 *) "device-input");
1076 foreach_vlib_main (({
1077 clib_bitmap_foreach (si, pn->sibling_bitmap,
1079 rt = vlib_node_get_runtime_data (this_vlib_main, si);
1080 vec_foreach (dq, rt->devices_and_queues)
1082 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm,
1084 send_interface_rx_placement_details (am, reg, hw->sw_if_index, index,
1085 dq->queue_id, dq->mode, mp->context);
1095 vnet_sw_interface_t *si;
1097 if (!vnet_sw_if_index_is_api_valid (sw_if_index))
1099 clib_warning ("sw_if_index %u does not exist", sw_if_index);
1100 goto bad_sw_if_index;
1103 si = vnet_get_sw_interface (vnm, sw_if_index);
1104 if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
1106 clib_warning ("interface type is not HARDWARE! P2P, PIPE and SUB"
1107 " interfaces are not supported");
1108 goto bad_sw_if_index;
1111 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, si->hw_if_index);
1113 for (i = 0; i < vec_len (hw->dq_runtime_index_by_queue); i++)
1115 send_interface_rx_placement_details (am, reg, hw->sw_if_index,
1116 hw->input_node_thread_index_by_queue
1118 hw->rx_mode_by_queue[i],
1123 BAD_SW_IF_INDEX_LABEL;
1126 static void vl_api_sw_interface_set_rx_placement_t_handler
1127 (vl_api_sw_interface_set_rx_placement_t * mp)
1129 vl_api_sw_interface_set_rx_placement_reply_t *rmp;
1130 vnet_main_t *vnm = vnet_get_main ();
1131 u32 sw_if_index = ntohl (mp->sw_if_index);
1132 vnet_sw_interface_t *si;
1133 clib_error_t *error = 0;
1136 VALIDATE_SW_IF_INDEX (mp);
1138 si = vnet_get_sw_interface (vnm, sw_if_index);
1139 if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
1141 rv = VNET_API_ERROR_INVALID_VALUE;
1142 goto bad_sw_if_index;
1145 error = set_hw_interface_rx_placement (si->hw_if_index,
1146 ntohl (mp->queue_id),
1147 ntohl (mp->worker_id), mp->is_main);
1150 rv = VNET_API_ERROR_UNIMPLEMENTED;
1151 clib_error_report (error);
1155 BAD_SW_IF_INDEX_LABEL;
1157 REPLY_MACRO (VL_API_SW_INTERFACE_SET_RX_PLACEMENT_REPLY);
1161 vl_api_create_vlan_subif_t_handler (vl_api_create_vlan_subif_t * mp)
1163 vl_api_create_vlan_subif_reply_t *rmp;
1164 vnet_main_t *vnm = vnet_get_main ();
1165 u32 sw_if_index = (u32) ~ 0;
1166 vnet_hw_interface_t *hi;
1169 vnet_sw_interface_t template;
1171 vnet_interface_main_t *im = &vnm->interface_main;
1172 u64 sup_and_sub_key;
1173 vl_api_registration_t *reg;
1174 clib_error_t *error;
1176 VALIDATE_SW_IF_INDEX (mp);
1178 hi = vnet_get_sup_hw_interface (vnm, ntohl (mp->sw_if_index));
1180 if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE)
1182 rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED;
1186 id = ntohl (mp->vlan_id);
1187 if (id == 0 || id > 4095)
1189 rv = VNET_API_ERROR_INVALID_VLAN;
1193 sup_and_sub_key = ((u64) (hi->sw_if_index) << 32) | (u64) id;
1195 p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
1198 rv = VNET_API_ERROR_VLAN_ALREADY_EXISTS;
1202 clib_memset (&template, 0, sizeof (template));
1203 template.type = VNET_SW_INTERFACE_TYPE_SUB;
1204 template.flood_class = VNET_FLOOD_CLASS_NORMAL;
1205 template.sup_sw_if_index = hi->sw_if_index;
1206 template.sub.id = id;
1207 template.sub.eth.raw_flags = 0;
1208 template.sub.eth.flags.one_tag = 1;
1209 template.sub.eth.outer_vlan_id = id;
1210 template.sub.eth.flags.exact_match = 1;
1212 error = vnet_create_sw_interface (vnm, &template, &sw_if_index);
1215 clib_error_report (error);
1216 rv = VNET_API_ERROR_INVALID_REGISTRATION;
1220 u64 *kp = clib_mem_alloc (sizeof (*kp));
1221 *kp = sup_and_sub_key;
1223 hash_set (hi->sub_interface_sw_if_index_by_id, id, sw_if_index);
1224 hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index);
1226 BAD_SW_IF_INDEX_LABEL;
1229 reg = vl_api_client_index_to_registration (mp->client_index);
1233 rmp = vl_msg_api_alloc (sizeof (*rmp));
1234 rmp->_vl_msg_id = htons (VL_API_CREATE_VLAN_SUBIF_REPLY);
1235 rmp->context = mp->context;
1236 rmp->retval = htonl (rv);
1237 rmp->sw_if_index = htonl (sw_if_index);
1238 vl_api_send_msg (reg, (u8 *) rmp);
1242 vl_api_create_subif_t_handler (vl_api_create_subif_t * mp)
1244 vl_api_create_subif_reply_t *rmp;
1245 vnet_main_t *vnm = vnet_get_main ();
1246 u32 sub_sw_if_index = ~0;
1247 vnet_hw_interface_t *hi;
1250 VALIDATE_SW_IF_INDEX (mp);
1252 hi = vnet_get_sup_hw_interface (vnm, ntohl (mp->sw_if_index));
1254 if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE)
1255 rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED;
1257 rv = vnet_create_sub_interface (ntohl (mp->sw_if_index),
1259 ntohl (mp->sub_if_flags),
1260 ntohs (mp->inner_vlan_id),
1261 ntohs (mp->outer_vlan_id),
1264 BAD_SW_IF_INDEX_LABEL;
1267 REPLY_MACRO2(VL_API_CREATE_SUBIF_REPLY,
1269 rmp->sw_if_index = ntohl(sub_sw_if_index);
1275 vl_api_delete_subif_t_handler (vl_api_delete_subif_t * mp)
1277 vl_api_delete_subif_reply_t *rmp;
1280 rv = vnet_delete_sub_interface (ntohl (mp->sw_if_index));
1282 REPLY_MACRO (VL_API_DELETE_SUBIF_REPLY);
1286 vl_api_interface_name_renumber_t_handler (vl_api_interface_name_renumber_t *
1289 vl_api_interface_name_renumber_reply_t *rmp;
1292 VALIDATE_SW_IF_INDEX (mp);
1294 rv = vnet_interface_name_renumber
1295 (ntohl (mp->sw_if_index), ntohl (mp->new_show_dev_instance));
1297 BAD_SW_IF_INDEX_LABEL;
1299 REPLY_MACRO (VL_API_INTERFACE_NAME_RENUMBER_REPLY);
1303 vl_api_create_loopback_t_handler (vl_api_create_loopback_t * mp)
1305 vl_api_create_loopback_reply_t *rmp;
1310 mac_address_decode (mp->mac_address, &mac);
1311 rv = vnet_create_loopback_interface (&sw_if_index, (u8 *) & mac, 0, 0);
1314 REPLY_MACRO2(VL_API_CREATE_LOOPBACK_REPLY,
1316 rmp->sw_if_index = ntohl (sw_if_index);
1321 static void vl_api_create_loopback_instance_t_handler
1322 (vl_api_create_loopback_instance_t * mp)
1324 vl_api_create_loopback_instance_reply_t *rmp;
1326 u8 is_specified = mp->is_specified;
1327 u32 user_instance = ntohl (mp->user_instance);
1331 mac_address_decode (mp->mac_address, &mac);
1332 rv = vnet_create_loopback_interface (&sw_if_index, (u8 *) & mac,
1333 is_specified, user_instance);
1336 REPLY_MACRO2(VL_API_CREATE_LOOPBACK_INSTANCE_REPLY,
1338 rmp->sw_if_index = ntohl (sw_if_index);
1344 vl_api_delete_loopback_t_handler (vl_api_delete_loopback_t * mp)
1346 vl_api_delete_loopback_reply_t *rmp;
1350 sw_if_index = ntohl (mp->sw_if_index);
1351 rv = vnet_delete_loopback_interface (sw_if_index);
1353 REPLY_MACRO (VL_API_DELETE_LOOPBACK_REPLY);
1357 vl_api_collect_detailed_interface_stats_t_handler
1358 (vl_api_collect_detailed_interface_stats_t * mp)
1360 vl_api_collect_detailed_interface_stats_reply_t *rmp;
1364 vnet_sw_interface_stats_collect_enable_disable (ntohl (mp->sw_if_index),
1365 mp->enable_disable);
1367 REPLY_MACRO (VL_API_COLLECT_DETAILED_INTERFACE_STATS_REPLY);
1372 * Add vpe's API message handlers to the table.
1373 * vlib has already mapped shared memory and
1374 * added the client registration handlers.
1375 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
1377 #define vl_msg_name_crc_list
1378 #include <vnet/interface.api.h>
1379 #undef vl_msg_name_crc_list
1382 setup_message_id_table (api_main_t * am)
1384 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1385 foreach_vl_msg_name_crc_interface;
1389 pub_sub_handler (interface_events, INTERFACE_EVENTS);
1391 static clib_error_t *
1392 interface_api_hookup (vlib_main_t * vm)
1394 api_main_t *am = vlibapi_get_main ();
1397 vl_msg_api_set_handlers(VL_API_##N, #n, \
1398 vl_api_##n##_t_handler, \
1400 vl_api_##n##_t_endian, \
1401 vl_api_##n##_t_print, \
1402 sizeof(vl_api_##n##_t), 1);
1403 foreach_vpe_api_msg;
1406 /* Mark these APIs as mp safe */
1407 am->is_mp_safe[VL_API_SW_INTERFACE_DUMP] = 1;
1408 am->is_mp_safe[VL_API_SW_INTERFACE_DETAILS] = 1;
1409 am->is_mp_safe[VL_API_SW_INTERFACE_TAG_ADD_DEL] = 1;
1411 /* Do not replay VL_API_SW_INTERFACE_DUMP messages */
1412 am->api_trace_cfg[VL_API_SW_INTERFACE_DUMP].replay_enable = 0;
1415 * Set up the (msg_name, crc, message-id) table
1417 setup_message_id_table (am);
1422 VLIB_API_INIT_FUNCTION (interface_api_hookup);
1425 * fd.io coding-style-patch-verification: ON
1428 * eval: (c-set-style "gnu")