2 *------------------------------------------------------------------
3 * lisp_gpe_api.c - lisp_gpe 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/lisp-gpe/lisp_gpe.h>
26 #include <vnet/lisp-gpe/lisp_gpe_adjacency.h>
27 #include <vnet/lisp-gpe/lisp_gpe_tunnel.h>
28 #include <vnet/lisp-gpe/lisp_gpe_fwd_entry.h>
29 #include <vnet/lisp-gpe/lisp_gpe_tenant.h>
30 #include <vnet/fib/fib_table.h>
31 #include <vnet/vnet_msg_enum.h>
32 #include <vnet/ip/ip_types_api.h>
33 #include <vnet/ethernet/ethernet_types_api.h>
34 #include <vnet/lisp-gpe/lisp_types_api.h>
36 #define vl_api_gpe_locator_pair_t_endian vl_noop_handler
37 #define vl_api_gpe_locator_pair_t_print vl_noop_handler
38 #define vl_api_gpe_add_del_fwd_entry_t_endian vl_noop_handler
39 #define vl_api_gpe_add_del_fwd_entry_t_print vl_noop_handler
41 #define vl_typedefs /* define message structures */
42 #include <vnet/vnet_all_api_h.h>
45 #define vl_endianfun /* define message structures */
46 #include <vnet/vnet_all_api_h.h>
49 /* instantiate all the print functions we know about */
50 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
52 #include <vnet/vnet_all_api_h.h>
55 #include <vlibapi/api_helper_macros.h>
57 #define foreach_vpe_api_msg \
58 _(GPE_ADD_DEL_FWD_ENTRY, gpe_add_del_fwd_entry) \
59 _(GPE_FWD_ENTRIES_GET, gpe_fwd_entries_get) \
60 _(GPE_FWD_ENTRY_PATH_DUMP, gpe_fwd_entry_path_dump) \
61 _(GPE_ENABLE_DISABLE, gpe_enable_disable) \
62 _(GPE_ADD_DEL_IFACE, gpe_add_del_iface) \
63 _(GPE_FWD_ENTRY_VNIS_GET, gpe_fwd_entry_vnis_get) \
64 _(GPE_SET_ENCAP_MODE, gpe_set_encap_mode) \
65 _(GPE_GET_ENCAP_MODE, gpe_get_encap_mode) \
66 _(GPE_ADD_DEL_NATIVE_FWD_RPATH, gpe_add_del_native_fwd_rpath) \
67 _(GPE_NATIVE_FWD_RPATHS_GET, gpe_native_fwd_rpaths_get)
69 static locator_pair_t *
70 unformat_gpe_loc_pairs (void *locs, u32 rloc_num)
73 locator_pair_t *pairs = 0, pair, *p;
74 vl_api_gpe_locator_t *r;
76 for (i = 0; i < rloc_num; i++)
79 r = &((vl_api_gpe_locator_t *) locs)[i];
80 clib_memset (&pair, 0, sizeof (pair));
81 ip_address_decode2 (&r->addr, &pair.lcl_loc);
83 pair.weight = r->weight;
84 vec_add1 (pairs, pair);
87 for (i = rloc_num; i < rloc_num * 2; i++)
90 r = &((vl_api_gpe_locator_t *) locs)[i];
91 p = &pairs[i - rloc_num];
92 ip_address_decode2 (&r->addr, &p->rmt_loc);
98 gpe_fwd_entry_path_dump_t_net_to_host
99 (vl_api_gpe_fwd_entry_path_dump_t * mp)
101 mp->fwd_entry_index = clib_net_to_host_u32 (mp->fwd_entry_index);
105 lisp_api_set_locator (vl_api_gpe_locator_t * loc,
106 const ip_address_t * addr, u8 weight)
108 loc->weight = weight;
109 ip_address_encode2 (addr, &loc->addr);
113 vl_api_gpe_fwd_entry_path_dump_t_handler
114 (vl_api_gpe_fwd_entry_path_dump_t * mp)
116 lisp_fwd_path_t *path;
117 vl_api_gpe_fwd_entry_path_details_t *rmp = NULL;
118 lisp_gpe_main_t *lgm = &lisp_gpe_main;
119 vl_api_registration_t *reg;
120 lisp_gpe_fwd_entry_t *lfe;
122 gpe_fwd_entry_path_dump_t_net_to_host (mp);
124 reg = vl_api_client_index_to_registration (mp->client_index);
128 if (pool_is_free_index (lgm->lisp_fwd_entry_pool, mp->fwd_entry_index))
131 lfe = pool_elt_at_index (lgm->lisp_fwd_entry_pool, mp->fwd_entry_index);
133 if (LISP_GPE_FWD_ENTRY_TYPE_NEGATIVE == lfe->type)
136 vec_foreach (path, lfe->paths)
138 rmp = vl_msg_api_alloc (sizeof (*rmp));
139 clib_memset (rmp, 0, sizeof (*rmp));
140 const lisp_gpe_tunnel_t *lgt;
143 clib_host_to_net_u16 (VL_API_GPE_FWD_ENTRY_PATH_DETAILS);
145 const lisp_gpe_adjacency_t *ladj =
146 lisp_gpe_adjacency_get (path->lisp_adj);
147 lisp_api_set_locator (&rmp->rmt_loc, &ladj->remote_rloc, path->weight);
148 lgt = lisp_gpe_tunnel_get (ladj->tunnel_index);
149 lisp_api_set_locator (&rmp->lcl_loc, &lgt->key->lcl, path->weight);
151 rmp->context = mp->context;
152 vl_api_send_msg (reg, (u8 *) rmp);
157 gpe_fwd_entries_copy (vl_api_gpe_fwd_entry_t * dst,
158 lisp_api_gpe_fwd_entry_t * src)
160 lisp_api_gpe_fwd_entry_t *e;
165 clib_memset (&dst[i], 0, sizeof (*dst));
166 dst[i].dp_table = e->dp_table;
167 dst[i].fwd_entry_index = e->fwd_entry_index;
169 dst[i].action = e->action;
170 switch (fid_addr_type (&e->leid))
172 case FID_ADDR_IP_PREF:
173 dst[i].leid.type = EID_TYPE_API_PREFIX;
174 dst[i].reid.type = EID_TYPE_API_PREFIX;
175 ip_prefix_encode2 (&fid_addr_ippref (&e->leid),
176 &dst[i].leid.address.prefix);
177 ip_prefix_encode2 (&fid_addr_ippref (&e->reid),
178 &dst[i].reid.address.prefix);
181 mac_address_encode ((mac_address_t *) fid_addr_mac (&e->leid),
182 dst[i].leid.address.mac);
183 mac_address_encode ((mac_address_t *) fid_addr_mac (&e->reid),
184 dst[i].reid.address.mac);
185 dst[i].leid.type = EID_TYPE_API_MAC;
186 dst[i].reid.type = EID_TYPE_API_MAC;
189 clib_warning ("unknown fid type %d!", fid_addr_type (&e->leid));
197 gpe_fwd_entries_get_t_net_to_host (vl_api_gpe_fwd_entries_get_t * mp)
199 mp->vni = clib_net_to_host_u32 (mp->vni);
203 gpe_entry_t_host_to_net (vl_api_gpe_fwd_entry_t * e)
205 e->fwd_entry_index = clib_host_to_net_u32 (e->fwd_entry_index);
206 e->dp_table = clib_host_to_net_u32 (e->dp_table);
207 e->vni = clib_host_to_net_u32 (e->vni);
211 gpe_fwd_entries_get_reply_t_host_to_net
212 (vl_api_gpe_fwd_entries_get_reply_t * mp)
215 vl_api_gpe_fwd_entry_t *e;
217 for (i = 0; i < mp->count; i++)
220 gpe_entry_t_host_to_net (e);
222 mp->count = clib_host_to_net_u32 (mp->count);
226 vl_api_gpe_fwd_entry_vnis_get_t_handler (vl_api_gpe_fwd_entry_vnis_get_t * mp)
228 vl_api_gpe_fwd_entry_vnis_get_reply_t *rmp = 0;
233 u32 *vnis = vnet_lisp_gpe_get_fwd_entry_vnis ();
234 u32 size = hash_elts (vnis) * sizeof (u32);
237 REPLY_MACRO4 (VL_API_GPE_FWD_ENTRY_VNIS_GET_REPLY, size,
239 rmp->count = clib_host_to_net_u32 (hash_elts (vnis));
240 hash_foreach_pair (p, vnis,
242 rmp->vnis[i++] = clib_host_to_net_u32 (p->key);
251 vl_api_gpe_fwd_entries_get_t_handler (vl_api_gpe_fwd_entries_get_t * mp)
253 lisp_api_gpe_fwd_entry_t *e;
254 vl_api_gpe_fwd_entries_get_reply_t *rmp = 0;
258 gpe_fwd_entries_get_t_net_to_host (mp);
260 e = vnet_lisp_gpe_fwd_entries_get_by_vni (mp->vni);
261 size = vec_len (e) * sizeof (vl_api_gpe_fwd_entry_t);
264 REPLY_MACRO4 (VL_API_GPE_FWD_ENTRIES_GET_REPLY, size,
266 rmp->count = vec_len (e);
267 gpe_fwd_entries_copy (rmp->entries, e);
268 gpe_fwd_entries_get_reply_t_host_to_net (rmp);
276 gpe_add_del_fwd_entry_t_net_to_host (vl_api_gpe_add_del_fwd_entry_t * mp)
278 mp->vni = clib_net_to_host_u32 (mp->vni);
279 mp->dp_table = clib_net_to_host_u32 (mp->dp_table);
280 mp->loc_num = clib_net_to_host_u32 (mp->loc_num);
284 vl_api_gpe_add_del_fwd_entry_t_handler (vl_api_gpe_add_del_fwd_entry_t * mp)
286 vl_api_gpe_add_del_fwd_entry_reply_t *rmp;
287 vnet_lisp_gpe_add_del_fwd_entry_args_t _a, *a = &_a;
288 locator_pair_t *pairs = 0;
291 gpe_add_del_fwd_entry_t_net_to_host (mp);
292 clib_memset (a, 0, sizeof (a[0]));
294 rv = unformat_lisp_eid_api (&a->rmt_eid, mp->vni, &mp->rmt_eid);
295 rv |= unformat_lisp_eid_api (&a->lcl_eid, mp->vni, &mp->lcl_eid);
297 if (mp->loc_num % 2 != 0)
302 pairs = unformat_gpe_loc_pairs (mp->locs, mp->loc_num / 2);
307 a->is_add = mp->is_add;
308 a->locator_pairs = pairs;
309 a->dp_table = mp->dp_table;
311 a->action = mp->action;
312 if (mp->loc_num == 0)
315 rv = vnet_lisp_gpe_add_del_fwd_entry (a, 0);
319 REPLY_MACRO2 (VL_API_GPE_ADD_DEL_FWD_ENTRY_REPLY,
321 rmp->fwd_entry_index = clib_host_to_net_u32 (a->fwd_entry_index);
327 vl_api_gpe_enable_disable_t_handler (vl_api_gpe_enable_disable_t * mp)
329 vl_api_gpe_enable_disable_reply_t *rmp;
331 vnet_lisp_gpe_enable_disable_args_t _a, *a = &_a;
333 a->is_en = mp->is_enable;
334 vnet_lisp_gpe_enable_disable (a);
336 REPLY_MACRO (VL_API_GPE_ENABLE_DISABLE_REPLY);
340 vl_api_gpe_add_del_iface_t_handler (vl_api_gpe_add_del_iface_t * mp)
342 vl_api_gpe_add_del_iface_reply_t *rmp;
346 vni = clib_net_to_host_u32 (mp->vni);
347 dp_table = clib_net_to_host_u32 (mp->dp_table);
353 if (~0 == lisp_gpe_tenant_l2_iface_add_or_lock (vni, dp_table))
357 lisp_gpe_tenant_l2_iface_unlock (vni);
363 if (~0 == lisp_gpe_tenant_l3_iface_add_or_lock (vni, dp_table, 1))
367 lisp_gpe_tenant_l3_iface_unlock (vni);
370 REPLY_MACRO (VL_API_GPE_ADD_DEL_IFACE_REPLY);
374 vl_api_gpe_set_encap_mode_t_handler (vl_api_gpe_set_encap_mode_t * mp)
376 vl_api_gpe_set_encap_mode_reply_t *rmp;
379 rv = vnet_gpe_set_encap_mode (mp->is_vxlan);
380 REPLY_MACRO (VL_API_GPE_SET_ENCAP_MODE_REPLY);
384 vl_api_gpe_get_encap_mode_t_handler (vl_api_gpe_get_encap_mode_t * mp)
386 vl_api_gpe_get_encap_mode_reply_t *rmp;
390 REPLY_MACRO2 (VL_API_GPE_GET_ENCAP_MODE_REPLY,
392 rmp->encap_mode = vnet_gpe_get_encap_mode ();
398 vl_api_gpe_add_del_native_fwd_rpath_t_handler
399 (vl_api_gpe_add_del_native_fwd_rpath_t * mp)
401 vl_api_gpe_add_del_native_fwd_rpath_reply_t *rmp;
402 vnet_gpe_native_fwd_rpath_args_t _a, *a = &_a;
405 clib_memset (a, 0, sizeof (a[0]));
408 clib_memcpy (&a->rpath.frp_addr.ip6, mp->nh_addr.un.ip6,
409 sizeof (ip6_address_t));
411 clib_memcpy (&a->rpath.frp_addr.ip4, mp->nh_addr.un.ip4,
412 sizeof (ip4_address_t));
414 a->is_add = mp->is_add;
415 a->rpath.frp_proto = mp->nh_addr.af ? DPO_PROTO_IP6 : DPO_PROTO_IP4;
416 a->rpath.frp_fib_index =
417 fib_table_find (dpo_proto_to_fib (a->rpath.frp_proto),
418 clib_net_to_host_u32 (mp->table_id));
419 if (~0 == a->rpath.frp_fib_index)
421 rv = VNET_API_ERROR_INVALID_VALUE;
425 a->rpath.frp_sw_if_index = clib_net_to_host_u32 (mp->nh_sw_if_index);
426 a->rpath.frp_weight = 1;
428 rv = vnet_gpe_add_del_native_fwd_rpath (a);
430 REPLY_MACRO (VL_API_GPE_ADD_DEL_NATIVE_FWD_RPATH_REPLY);
434 gpe_native_fwd_rpaths_copy (vl_api_gpe_native_fwd_rpath_t * dst,
435 fib_route_path_t * src)
443 clib_memset (&dst[i], 0, sizeof (*dst));
444 table = fib_table_get (e->frp_fib_index, dpo_proto_to_fib (e->frp_proto));
445 dst[i].fib_index = table->ft_table_id;
446 dst[i].nh_sw_if_index = e->frp_sw_if_index;
447 ip_address_encode (&e->frp_addr, IP46_TYPE_ANY, &dst[i].nh_addr);
453 gpe_native_fwd_rpath_t_host_to_net (vl_api_gpe_native_fwd_rpath_t * e)
455 e->fib_index = clib_host_to_net_u32 (e->fib_index);
456 e->nh_sw_if_index = clib_host_to_net_u32 (e->nh_sw_if_index);
460 gpe_native_fwd_rpaths_get_reply_t_host_to_net
461 (vl_api_gpe_native_fwd_rpaths_get_reply_t * mp)
464 vl_api_gpe_native_fwd_rpath_t *e;
466 for (i = 0; i < mp->count; i++)
469 gpe_native_fwd_rpath_t_host_to_net (e);
471 mp->count = clib_host_to_net_u32 (mp->count);
475 vl_api_gpe_native_fwd_rpaths_get_t_handler (vl_api_gpe_native_fwd_rpaths_get_t
478 lisp_gpe_main_t *lgm = vnet_lisp_gpe_get_main ();
479 vl_api_gpe_native_fwd_rpaths_get_reply_t *rmp;
483 u8 rpath_index = mp->is_ip4 ? 1 : 0;
485 size = vec_len (lgm->native_fwd_rpath[rpath_index])
486 * sizeof (vl_api_gpe_native_fwd_rpath_t);
489 REPLY_MACRO4 (VL_API_GPE_NATIVE_FWD_RPATHS_GET_REPLY, size,
491 rmp->count = vec_len (lgm->native_fwd_rpath[rpath_index]);
492 gpe_native_fwd_rpaths_copy (rmp->entries,
493 lgm->native_fwd_rpath[rpath_index]);
494 gpe_native_fwd_rpaths_get_reply_t_host_to_net (rmp);
501 * Add vpe's API message handlers to the table.
502 * vlib has already mapped shared memory and
503 * added the client registration handlers.
504 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
506 #define vl_msg_name_crc_list
507 #include <vnet/vnet_all_api_h.h>
508 #undef vl_msg_name_crc_list
511 setup_message_id_table (api_main_t * am)
513 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
514 foreach_vl_msg_name_crc_lisp_gpe;
518 static clib_error_t *
519 gpe_api_hookup (vlib_main_t * vm)
521 api_main_t *am = vlibapi_get_main ();
524 vl_msg_api_set_handlers(VL_API_##N, #n, \
525 vl_api_##n##_t_handler, \
527 vl_api_##n##_t_endian, \
528 vl_api_##n##_t_print, \
529 sizeof(vl_api_##n##_t), 1);
534 * Set up the (msg_name, crc, message-id) table
536 setup_message_id_table (am);
541 VLIB_API_INIT_FUNCTION (gpe_api_hookup);
544 * fd.io coding-style-patch-verification: ON
547 * eval: (c-set-style "gnu")