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 <lisp/lisp-gpe/lisp_gpe.h>
26 #include <lisp/lisp-gpe/lisp_gpe_adjacency.h>
27 #include <lisp/lisp-gpe/lisp_gpe_tunnel.h>
28 #include <lisp/lisp-gpe/lisp_gpe_fwd_entry.h>
29 #include <lisp/lisp-gpe/lisp_gpe_tenant.h>
30 #include <vnet/fib/fib_table.h>
31 #include <vnet/ip/ip_types_api.h>
32 #include <vnet/ethernet/ethernet_types_api.h>
33 #include <lisp/lisp-gpe/lisp_types_api.h>
35 /* define message IDs */
36 #include <vnet/format_fns.h>
37 #include <lisp/lisp-gpe/lisp_gpe.api_enum.h>
38 #include <lisp/lisp-gpe/lisp_gpe.api_types.h>
41 * Base message ID fot the plugin
43 static u32 gpe_base_msg_id;
44 #define REPLY_MSG_ID_BASE gpe_base_msg_id
46 #include <vlibapi/api_helper_macros.h>
48 static locator_pair_t *
49 unformat_gpe_loc_pairs (void *locs, u32 rloc_num)
52 locator_pair_t *pairs = 0, pair, *p;
53 vl_api_gpe_locator_t *r;
55 for (i = 0; i < rloc_num; i++)
58 r = &((vl_api_gpe_locator_t *) locs)[i];
59 clib_memset (&pair, 0, sizeof (pair));
60 ip_address_decode2 (&r->addr, &pair.lcl_loc);
62 pair.weight = r->weight;
63 vec_add1 (pairs, pair);
66 for (i = rloc_num; i < rloc_num * 2; i++)
69 r = &((vl_api_gpe_locator_t *) locs)[i];
70 p = &pairs[i - rloc_num];
71 ip_address_decode2 (&r->addr, &p->rmt_loc);
77 gpe_fwd_entry_path_dump_t_net_to_host
78 (vl_api_gpe_fwd_entry_path_dump_t * mp)
80 mp->fwd_entry_index = clib_net_to_host_u32 (mp->fwd_entry_index);
84 lisp_api_set_locator (vl_api_gpe_locator_t * loc,
85 const ip_address_t * addr, u8 weight)
88 ip_address_encode2 (addr, &loc->addr);
92 vl_api_gpe_fwd_entry_path_dump_t_handler
93 (vl_api_gpe_fwd_entry_path_dump_t * mp)
95 lisp_fwd_path_t *path;
96 vl_api_gpe_fwd_entry_path_details_t *rmp = NULL;
97 lisp_gpe_main_t *lgm = &lisp_gpe_main;
98 vl_api_registration_t *reg;
99 lisp_gpe_fwd_entry_t *lfe;
101 gpe_fwd_entry_path_dump_t_net_to_host (mp);
103 reg = vl_api_client_index_to_registration (mp->client_index);
107 if (pool_is_free_index (lgm->lisp_fwd_entry_pool, mp->fwd_entry_index))
110 lfe = pool_elt_at_index (lgm->lisp_fwd_entry_pool, mp->fwd_entry_index);
112 if (LISP_GPE_FWD_ENTRY_TYPE_NEGATIVE == lfe->type)
115 vec_foreach (path, lfe->paths)
117 rmp = vl_msg_api_alloc (sizeof (*rmp));
118 clib_memset (rmp, 0, sizeof (*rmp));
119 const lisp_gpe_tunnel_t *lgt;
122 clib_host_to_net_u16 (VL_API_GPE_FWD_ENTRY_PATH_DETAILS);
124 const lisp_gpe_adjacency_t *ladj =
125 lisp_gpe_adjacency_get (path->lisp_adj);
126 lisp_api_set_locator (&rmp->rmt_loc, &ladj->remote_rloc, path->weight);
127 lgt = lisp_gpe_tunnel_get (ladj->tunnel_index);
128 lisp_api_set_locator (&rmp->lcl_loc, &lgt->key->lcl, path->weight);
130 rmp->context = mp->context;
131 vl_api_send_msg (reg, (u8 *) rmp);
136 gpe_fwd_entries_copy (vl_api_gpe_fwd_entry_t * dst,
137 lisp_api_gpe_fwd_entry_t * src)
139 lisp_api_gpe_fwd_entry_t *e;
144 clib_memset (&dst[i], 0, sizeof (*dst));
145 dst[i].dp_table = e->dp_table;
146 dst[i].fwd_entry_index = e->fwd_entry_index;
148 dst[i].action = e->action;
149 switch (fid_addr_type (&e->leid))
151 case FID_ADDR_IP_PREF:
152 dst[i].leid.type = EID_TYPE_API_PREFIX;
153 dst[i].reid.type = EID_TYPE_API_PREFIX;
154 ip_prefix_encode2 (&fid_addr_ippref (&e->leid),
155 &dst[i].leid.address.prefix);
156 ip_prefix_encode2 (&fid_addr_ippref (&e->reid),
157 &dst[i].reid.address.prefix);
160 mac_address_encode ((mac_address_t *) fid_addr_mac (&e->leid),
161 dst[i].leid.address.mac);
162 mac_address_encode ((mac_address_t *) fid_addr_mac (&e->reid),
163 dst[i].reid.address.mac);
164 dst[i].leid.type = EID_TYPE_API_MAC;
165 dst[i].reid.type = EID_TYPE_API_MAC;
168 clib_warning ("unknown fid type %d!", fid_addr_type (&e->leid));
176 gpe_fwd_entries_get_t_net_to_host (vl_api_gpe_fwd_entries_get_t * mp)
178 mp->vni = clib_net_to_host_u32 (mp->vni);
182 gpe_entry_t_host_to_net (vl_api_gpe_fwd_entry_t * e)
184 e->fwd_entry_index = clib_host_to_net_u32 (e->fwd_entry_index);
185 e->dp_table = clib_host_to_net_u32 (e->dp_table);
186 e->vni = clib_host_to_net_u32 (e->vni);
190 gpe_fwd_entries_get_reply_t_host_to_net
191 (vl_api_gpe_fwd_entries_get_reply_t * mp)
194 vl_api_gpe_fwd_entry_t *e;
196 for (i = 0; i < mp->count; i++)
199 gpe_entry_t_host_to_net (e);
201 mp->count = clib_host_to_net_u32 (mp->count);
205 vl_api_gpe_fwd_entry_vnis_get_t_handler (vl_api_gpe_fwd_entry_vnis_get_t * mp)
207 vl_api_gpe_fwd_entry_vnis_get_reply_t *rmp = 0;
212 u32 *vnis = vnet_lisp_gpe_get_fwd_entry_vnis ();
213 u32 size = hash_elts (vnis) * sizeof (u32);
216 REPLY_MACRO4 (VL_API_GPE_FWD_ENTRY_VNIS_GET_REPLY, size,
218 rmp->count = clib_host_to_net_u32 (hash_elts (vnis));
219 hash_foreach_pair (p, vnis,
221 rmp->vnis[i++] = clib_host_to_net_u32 (p->key);
230 vl_api_gpe_fwd_entries_get_t_handler (vl_api_gpe_fwd_entries_get_t * mp)
232 lisp_api_gpe_fwd_entry_t *e;
233 vl_api_gpe_fwd_entries_get_reply_t *rmp = 0;
237 gpe_fwd_entries_get_t_net_to_host (mp);
239 e = vnet_lisp_gpe_fwd_entries_get_by_vni (mp->vni);
240 size = vec_len (e) * sizeof (vl_api_gpe_fwd_entry_t);
243 REPLY_MACRO4 (VL_API_GPE_FWD_ENTRIES_GET_REPLY, size,
245 rmp->count = vec_len (e);
246 gpe_fwd_entries_copy (rmp->entries, e);
247 gpe_fwd_entries_get_reply_t_host_to_net (rmp);
255 gpe_add_del_fwd_entry_t_net_to_host (vl_api_gpe_add_del_fwd_entry_t * mp)
257 mp->vni = clib_net_to_host_u32 (mp->vni);
258 mp->dp_table = clib_net_to_host_u32 (mp->dp_table);
259 mp->loc_num = clib_net_to_host_u32 (mp->loc_num);
263 vl_api_gpe_add_del_fwd_entry_t_handler (vl_api_gpe_add_del_fwd_entry_t * mp)
265 vl_api_gpe_add_del_fwd_entry_reply_t *rmp;
266 vnet_lisp_gpe_add_del_fwd_entry_args_t _a, *a = &_a;
267 locator_pair_t *pairs = 0;
270 gpe_add_del_fwd_entry_t_net_to_host (mp);
271 clib_memset (a, 0, sizeof (a[0]));
273 rv = unformat_lisp_eid_api (&a->rmt_eid, mp->vni, &mp->rmt_eid);
274 rv |= unformat_lisp_eid_api (&a->lcl_eid, mp->vni, &mp->lcl_eid);
276 if (mp->loc_num % 2 != 0)
281 pairs = unformat_gpe_loc_pairs (mp->locs, mp->loc_num / 2);
286 a->is_add = mp->is_add;
287 a->locator_pairs = pairs;
288 a->dp_table = mp->dp_table;
290 a->action = mp->action;
291 if (mp->loc_num == 0)
294 rv = vnet_lisp_gpe_add_del_fwd_entry (a, 0);
298 REPLY_MACRO2 (VL_API_GPE_ADD_DEL_FWD_ENTRY_REPLY,
300 rmp->fwd_entry_index = clib_host_to_net_u32 (a->fwd_entry_index);
306 vl_api_gpe_enable_disable_t_handler (vl_api_gpe_enable_disable_t * mp)
308 vl_api_gpe_enable_disable_reply_t *rmp;
310 vnet_lisp_gpe_enable_disable_args_t _a, *a = &_a;
312 a->is_en = mp->is_enable;
313 vnet_lisp_gpe_enable_disable (a);
315 REPLY_MACRO (VL_API_GPE_ENABLE_DISABLE_REPLY);
319 vl_api_gpe_add_del_iface_t_handler (vl_api_gpe_add_del_iface_t * mp)
321 vl_api_gpe_add_del_iface_reply_t *rmp;
325 vni = clib_net_to_host_u32 (mp->vni);
326 dp_table = clib_net_to_host_u32 (mp->dp_table);
332 if (~0 == lisp_gpe_tenant_l2_iface_add_or_lock (vni, dp_table))
336 lisp_gpe_tenant_l2_iface_unlock (vni);
342 if (~0 == lisp_gpe_tenant_l3_iface_add_or_lock (vni, dp_table, 1))
346 lisp_gpe_tenant_l3_iface_unlock (vni);
349 REPLY_MACRO (VL_API_GPE_ADD_DEL_IFACE_REPLY);
353 vl_api_gpe_set_encap_mode_t_handler (vl_api_gpe_set_encap_mode_t * mp)
355 vl_api_gpe_set_encap_mode_reply_t *rmp;
358 rv = vnet_gpe_set_encap_mode (mp->is_vxlan);
359 REPLY_MACRO (VL_API_GPE_SET_ENCAP_MODE_REPLY);
363 vl_api_gpe_get_encap_mode_t_handler (vl_api_gpe_get_encap_mode_t * mp)
365 vl_api_gpe_get_encap_mode_reply_t *rmp;
369 REPLY_MACRO2 (VL_API_GPE_GET_ENCAP_MODE_REPLY,
371 rmp->encap_mode = vnet_gpe_get_encap_mode ();
377 vl_api_gpe_add_del_native_fwd_rpath_t_handler
378 (vl_api_gpe_add_del_native_fwd_rpath_t * mp)
380 vl_api_gpe_add_del_native_fwd_rpath_reply_t *rmp;
381 vnet_gpe_native_fwd_rpath_args_t _a, *a = &_a;
384 clib_memset (a, 0, sizeof (a[0]));
387 clib_memcpy (&a->rpath.frp_addr.ip6, mp->nh_addr.un.ip6,
388 sizeof (ip6_address_t));
390 clib_memcpy (&a->rpath.frp_addr.ip4, mp->nh_addr.un.ip4,
391 sizeof (ip4_address_t));
393 a->is_add = mp->is_add;
394 a->rpath.frp_proto = mp->nh_addr.af ? DPO_PROTO_IP6 : DPO_PROTO_IP4;
395 a->rpath.frp_fib_index =
396 fib_table_find (dpo_proto_to_fib (a->rpath.frp_proto),
397 clib_net_to_host_u32 (mp->table_id));
398 if (~0 == a->rpath.frp_fib_index)
400 rv = VNET_API_ERROR_INVALID_VALUE;
404 a->rpath.frp_sw_if_index = clib_net_to_host_u32 (mp->nh_sw_if_index);
405 a->rpath.frp_weight = 1;
407 rv = vnet_gpe_add_del_native_fwd_rpath (a);
409 REPLY_MACRO (VL_API_GPE_ADD_DEL_NATIVE_FWD_RPATH_REPLY);
413 gpe_native_fwd_rpaths_copy (vl_api_gpe_native_fwd_rpath_t * dst,
414 fib_route_path_t * src)
422 clib_memset (&dst[i], 0, sizeof (*dst));
423 table = fib_table_get (e->frp_fib_index, dpo_proto_to_fib (e->frp_proto));
424 dst[i].fib_index = table->ft_table_id;
425 dst[i].nh_sw_if_index = e->frp_sw_if_index;
426 ip_address_encode (&e->frp_addr, IP46_TYPE_ANY, &dst[i].nh_addr);
432 gpe_native_fwd_rpath_t_host_to_net (vl_api_gpe_native_fwd_rpath_t * e)
434 e->fib_index = clib_host_to_net_u32 (e->fib_index);
435 e->nh_sw_if_index = clib_host_to_net_u32 (e->nh_sw_if_index);
439 gpe_native_fwd_rpaths_get_reply_t_host_to_net
440 (vl_api_gpe_native_fwd_rpaths_get_reply_t * mp)
443 vl_api_gpe_native_fwd_rpath_t *e;
445 for (i = 0; i < mp->count; i++)
448 gpe_native_fwd_rpath_t_host_to_net (e);
450 mp->count = clib_host_to_net_u32 (mp->count);
454 vl_api_gpe_native_fwd_rpaths_get_t_handler (vl_api_gpe_native_fwd_rpaths_get_t
457 lisp_gpe_main_t *lgm = vnet_lisp_gpe_get_main ();
458 vl_api_gpe_native_fwd_rpaths_get_reply_t *rmp;
462 u8 rpath_index = mp->is_ip4 ? 1 : 0;
464 size = vec_len (lgm->native_fwd_rpath[rpath_index])
465 * sizeof (vl_api_gpe_native_fwd_rpath_t);
468 REPLY_MACRO4 (VL_API_GPE_NATIVE_FWD_RPATHS_GET_REPLY, size,
470 rmp->count = vec_len (lgm->native_fwd_rpath[rpath_index]);
471 gpe_native_fwd_rpaths_copy (rmp->entries,
472 lgm->native_fwd_rpath[rpath_index]);
473 gpe_native_fwd_rpaths_get_reply_t_host_to_net (rmp);
480 * Add vpe's API message handlers to the table.
481 * vlib has already mapped shared memory and
482 * added the client registration handlers.
483 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
485 #include <lisp/lisp-gpe/lisp_gpe.api.c>
487 static clib_error_t *
488 gpe_api_hookup (vlib_main_t * vm)
491 * Set up the (msg_name, crc, message-id) table
493 gpe_base_msg_id = setup_message_id_table ();
498 VLIB_API_INIT_FUNCTION (gpe_api_hookup);
501 * fd.io coding-style-patch-verification: ON
504 * eval: (c-set-style "gnu")