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>
33 #define vl_api_gpe_locator_pair_t_endian vl_noop_handler
34 #define vl_api_gpe_locator_pair_t_print vl_noop_handler
35 #define vl_api_gpe_add_del_fwd_entry_t_endian vl_noop_handler
36 #define vl_api_gpe_add_del_fwd_entry_t_print vl_noop_handler
38 #define vl_typedefs /* define message structures */
39 #include <vnet/vnet_all_api_h.h>
42 #define vl_endianfun /* define message structures */
43 #include <vnet/vnet_all_api_h.h>
46 /* instantiate all the print functions we know about */
47 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
49 #include <vnet/vnet_all_api_h.h>
52 #include <vlibapi/api_helper_macros.h>
54 #define foreach_vpe_api_msg \
55 _(GPE_ADD_DEL_FWD_ENTRY, gpe_add_del_fwd_entry) \
56 _(GPE_FWD_ENTRIES_GET, gpe_fwd_entries_get) \
57 _(GPE_FWD_ENTRY_PATH_DUMP, gpe_fwd_entry_path_dump) \
58 _(GPE_ENABLE_DISABLE, gpe_enable_disable) \
59 _(GPE_ADD_DEL_IFACE, gpe_add_del_iface) \
60 _(GPE_FWD_ENTRY_VNIS_GET, gpe_fwd_entry_vnis_get) \
61 _(GPE_SET_ENCAP_MODE, gpe_set_encap_mode) \
62 _(GPE_GET_ENCAP_MODE, gpe_get_encap_mode) \
63 _(GPE_ADD_DEL_NATIVE_FWD_RPATH, gpe_add_del_native_fwd_rpath) \
64 _(GPE_NATIVE_FWD_RPATHS_GET, gpe_native_fwd_rpaths_get)
66 static locator_pair_t *
67 unformat_gpe_loc_pairs (void *locs, u32 rloc_num)
70 locator_pair_t *pairs = 0, pair, *p;
71 vl_api_gpe_locator_t *r;
73 for (i = 0; i < rloc_num; i++)
76 r = &((vl_api_gpe_locator_t *) locs)[i];
77 memset (&pair, 0, sizeof (pair));
78 ip_address_set (&pair.lcl_loc, &r->addr, r->is_ip4 ? IP4 : IP6);
80 pair.weight = r->weight;
81 vec_add1 (pairs, pair);
84 for (i = rloc_num; i < rloc_num * 2; i++)
87 r = &((vl_api_gpe_locator_t *) locs)[i];
88 p = &pairs[i - rloc_num];
89 ip_address_set (&p->rmt_loc, &r->addr, r->is_ip4 ? IP4 : IP6);
95 unformat_lisp_eid_api (gid_address_t * dst, u32 vni, u8 type, void *src,
101 gid_address_type (dst) = GID_ADDR_IP_PREFIX;
102 gid_address_ip_set (dst, src, IP4);
103 gid_address_ippref_len (dst) = len;
104 ip_prefix_normalize (&gid_address_ippref (dst));
107 gid_address_type (dst) = GID_ADDR_IP_PREFIX;
108 gid_address_ip_set (dst, src, IP6);
109 gid_address_ippref_len (dst) = len;
110 ip_prefix_normalize (&gid_address_ippref (dst));
113 gid_address_type (dst) = GID_ADDR_MAC;
114 clib_memcpy (&gid_address_mac (dst), src, 6);
118 return VNET_API_ERROR_INVALID_VALUE;
121 gid_address_vni (dst) = vni;
127 gpe_fwd_entry_path_dump_t_net_to_host
128 (vl_api_gpe_fwd_entry_path_dump_t * mp)
130 mp->fwd_entry_index = clib_net_to_host_u32 (mp->fwd_entry_index);
134 lisp_api_set_locator (vl_api_gpe_locator_t * loc,
135 const ip_address_t * addr, u8 weight)
137 loc->weight = weight;
138 if (IP4 == ip_addr_version (addr))
141 memcpy (loc->addr, addr, 4);
146 memcpy (loc->addr, addr, 16);
151 vl_api_gpe_fwd_entry_path_dump_t_handler
152 (vl_api_gpe_fwd_entry_path_dump_t * mp)
154 lisp_fwd_path_t *path;
155 vl_api_gpe_fwd_entry_path_details_t *rmp = NULL;
156 lisp_gpe_main_t *lgm = &lisp_gpe_main;
157 unix_shared_memory_queue_t *q = NULL;
158 lisp_gpe_fwd_entry_t *lfe;
160 gpe_fwd_entry_path_dump_t_net_to_host (mp);
162 q = vl_api_client_index_to_input_queue (mp->client_index);
166 if (pool_is_free_index (lgm->lisp_fwd_entry_pool, mp->fwd_entry_index))
169 lfe = pool_elt_at_index (lgm->lisp_fwd_entry_pool, mp->fwd_entry_index);
171 if (LISP_GPE_FWD_ENTRY_TYPE_NEGATIVE == lfe->type)
174 vec_foreach (path, lfe->paths)
176 rmp = vl_msg_api_alloc (sizeof (*rmp));
177 memset (rmp, 0, sizeof (*rmp));
178 const lisp_gpe_tunnel_t *lgt;
181 clib_host_to_net_u16 (VL_API_GPE_FWD_ENTRY_PATH_DETAILS);
183 const lisp_gpe_adjacency_t *ladj =
184 lisp_gpe_adjacency_get (path->lisp_adj);
185 lisp_api_set_locator (&rmp->rmt_loc, &ladj->remote_rloc, path->weight);
186 lgt = lisp_gpe_tunnel_get (ladj->tunnel_index);
187 lisp_api_set_locator (&rmp->lcl_loc, &lgt->key->lcl, path->weight);
189 rmp->context = mp->context;
190 vl_msg_api_send_shmem (q, (u8 *) & rmp);
195 gpe_fwd_entries_copy (vl_api_gpe_fwd_entry_t * dst,
196 lisp_api_gpe_fwd_entry_t * src)
198 lisp_api_gpe_fwd_entry_t *e;
203 memset (&dst[i], 0, sizeof (*dst));
204 dst[i].dp_table = e->dp_table;
205 dst[i].fwd_entry_index = e->fwd_entry_index;
207 dst[i].action = e->action;
208 switch (fid_addr_type (&e->leid))
210 case FID_ADDR_IP_PREF:
211 if (IP4 == ip_prefix_version (&fid_addr_ippref (&e->leid)))
213 memcpy (&dst[i].leid, &fid_addr_ippref (&e->leid), 4);
214 memcpy (&dst[i].reid, &fid_addr_ippref (&e->reid), 4);
219 memcpy (&dst[i].leid, &fid_addr_ippref (&e->leid), 16);
220 memcpy (&dst[i].reid, &fid_addr_ippref (&e->reid), 16);
223 dst[i].leid_prefix_len = ip_prefix_len (&fid_addr_ippref (&e->leid));
224 dst[i].reid_prefix_len = ip_prefix_len (&fid_addr_ippref (&e->reid));
227 memcpy (&dst[i].leid, fid_addr_mac (&e->leid), 6);
228 memcpy (&dst[i].reid, fid_addr_mac (&e->reid), 6);
232 clib_warning ("unknown fid type %d!", fid_addr_type (&e->leid));
240 gpe_fwd_entries_get_t_net_to_host (vl_api_gpe_fwd_entries_get_t * mp)
242 mp->vni = clib_net_to_host_u32 (mp->vni);
246 gpe_entry_t_host_to_net (vl_api_gpe_fwd_entry_t * e)
248 e->fwd_entry_index = clib_host_to_net_u32 (e->fwd_entry_index);
249 e->dp_table = clib_host_to_net_u32 (e->dp_table);
250 e->vni = clib_host_to_net_u32 (e->vni);
254 gpe_fwd_entries_get_reply_t_host_to_net
255 (vl_api_gpe_fwd_entries_get_reply_t * mp)
258 vl_api_gpe_fwd_entry_t *e;
260 for (i = 0; i < mp->count; i++)
263 gpe_entry_t_host_to_net (e);
265 mp->count = clib_host_to_net_u32 (mp->count);
269 vl_api_gpe_fwd_entry_vnis_get_t_handler (vl_api_gpe_fwd_entry_vnis_get_t * mp)
271 vl_api_gpe_fwd_entry_vnis_get_reply_t *rmp = 0;
276 u32 *vnis = vnet_lisp_gpe_get_fwd_entry_vnis ();
277 u32 size = hash_elts (vnis) * sizeof (u32);
280 REPLY_MACRO4 (VL_API_GPE_FWD_ENTRY_VNIS_GET_REPLY, size,
282 rmp->count = clib_host_to_net_u32 (hash_elts (vnis));
283 hash_foreach_pair (p, vnis,
285 rmp->vnis[i++] = clib_host_to_net_u32 (p->key);
294 vl_api_gpe_fwd_entries_get_t_handler (vl_api_gpe_fwd_entries_get_t * mp)
296 lisp_api_gpe_fwd_entry_t *e;
297 vl_api_gpe_fwd_entries_get_reply_t *rmp = 0;
301 gpe_fwd_entries_get_t_net_to_host (mp);
303 e = vnet_lisp_gpe_fwd_entries_get_by_vni (mp->vni);
304 size = vec_len (e) * sizeof (vl_api_gpe_fwd_entry_t);
307 REPLY_MACRO4 (VL_API_GPE_FWD_ENTRIES_GET_REPLY, size,
309 rmp->count = vec_len (e);
310 gpe_fwd_entries_copy (rmp->entries, e);
311 gpe_fwd_entries_get_reply_t_host_to_net (rmp);
319 gpe_add_del_fwd_entry_t_net_to_host (vl_api_gpe_add_del_fwd_entry_t * mp)
321 mp->vni = clib_net_to_host_u32 (mp->vni);
322 mp->dp_table = clib_net_to_host_u32 (mp->dp_table);
323 mp->loc_num = clib_net_to_host_u32 (mp->loc_num);
327 vl_api_gpe_add_del_fwd_entry_t_handler (vl_api_gpe_add_del_fwd_entry_t * mp)
329 vl_api_gpe_add_del_fwd_entry_reply_t *rmp;
330 vnet_lisp_gpe_add_del_fwd_entry_args_t _a, *a = &_a;
331 locator_pair_t *pairs = 0;
334 gpe_add_del_fwd_entry_t_net_to_host (mp);
335 memset (a, 0, sizeof (a[0]));
337 rv = unformat_lisp_eid_api (&a->rmt_eid, mp->vni, mp->eid_type,
338 mp->rmt_eid, mp->rmt_len);
339 rv |= unformat_lisp_eid_api (&a->lcl_eid, mp->vni, mp->eid_type,
340 mp->lcl_eid, mp->lcl_len);
342 if (mp->loc_num % 2 != 0)
347 pairs = unformat_gpe_loc_pairs (mp->locs, mp->loc_num / 2);
352 a->is_add = mp->is_add;
353 a->locator_pairs = pairs;
354 a->dp_table = mp->dp_table;
356 a->action = mp->action;
357 if (mp->loc_num == 0)
360 rv = vnet_lisp_gpe_add_del_fwd_entry (a, 0);
364 REPLY_MACRO2 (VL_API_GPE_ADD_DEL_FWD_ENTRY_REPLY,
366 rmp->fwd_entry_index = clib_host_to_net_u32 (a->fwd_entry_index);
372 vl_api_gpe_enable_disable_t_handler (vl_api_gpe_enable_disable_t * mp)
374 vl_api_gpe_enable_disable_reply_t *rmp;
376 vnet_lisp_gpe_enable_disable_args_t _a, *a = &_a;
378 a->is_en = mp->is_en;
379 vnet_lisp_gpe_enable_disable (a);
381 REPLY_MACRO (VL_API_GPE_ENABLE_DISABLE_REPLY);
385 vl_api_gpe_add_del_iface_t_handler (vl_api_gpe_add_del_iface_t * mp)
387 vl_api_gpe_add_del_iface_reply_t *rmp;
395 lisp_gpe_tenant_l2_iface_add_or_lock (mp->vni, mp->dp_table))
399 lisp_gpe_tenant_l2_iface_unlock (mp->vni);
406 lisp_gpe_tenant_l3_iface_add_or_lock (mp->vni, mp->dp_table))
410 lisp_gpe_tenant_l3_iface_unlock (mp->vni);
413 REPLY_MACRO (VL_API_GPE_ADD_DEL_IFACE_REPLY);
417 vl_api_gpe_set_encap_mode_t_handler (vl_api_gpe_set_encap_mode_t * mp)
419 vl_api_gpe_set_encap_mode_reply_t *rmp;
422 rv = vnet_gpe_set_encap_mode (mp->mode);
423 REPLY_MACRO (VL_API_GPE_SET_ENCAP_MODE_REPLY);
427 vl_api_gpe_get_encap_mode_t_handler (vl_api_gpe_get_encap_mode_t * mp)
429 vl_api_gpe_get_encap_mode_reply_t *rmp;
433 REPLY_MACRO2 (VL_API_GPE_GET_ENCAP_MODE_REPLY,
435 rmp->encap_mode = vnet_gpe_get_encap_mode ();
441 vl_api_gpe_add_del_native_fwd_rpath_t_handler
442 (vl_api_gpe_add_del_native_fwd_rpath_t * mp)
444 vl_api_gpe_add_del_native_fwd_rpath_reply_t *rmp;
445 vnet_gpe_native_fwd_rpath_args_t _a, *a = &_a;
448 memset (a, 0, sizeof (a[0]));
451 clib_memcpy (&a->rpath.frp_addr.ip4, mp->nh_addr, sizeof (ip4_address_t));
453 clib_memcpy (&a->rpath.frp_addr.ip6, mp->nh_addr, sizeof (ip6_address_t));
455 a->is_add = mp->is_add;
456 a->rpath.frp_proto = mp->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
457 a->rpath.frp_fib_index = fib_table_find (a->rpath.frp_proto,
460 if (~0 == a->rpath.frp_fib_index)
462 rv = VNET_API_ERROR_INVALID_VALUE;
466 a->rpath.frp_sw_if_index = clib_net_to_host_u32 (mp->nh_sw_if_index);
467 a->rpath.frp_weight = 1;
469 rv = vnet_gpe_add_del_native_fwd_rpath (a);
471 REPLY_MACRO (VL_API_GPE_ADD_DEL_NATIVE_FWD_RPATH_REPLY);
475 gpe_native_fwd_rpaths_copy (vl_api_gpe_native_fwd_rpath_t * dst,
476 fib_route_path_t * src, u8 is_ip4)
483 memset (&dst[i], 0, sizeof (*dst));
484 dst[i].fib_index = e->frp_fib_index;
485 dst[i].nh_sw_if_index = e->frp_sw_if_index;
486 dst[i].is_ip4 = is_ip4;
488 clib_memcpy (&dst[i].nh_addr, &e->frp_addr.ip4, sizeof (ip4_address_t));
490 clib_memcpy (&dst[i].nh_addr, &e->frp_addr.ip6, sizeof (ip6_address_t));
496 gpe_native_fwd_rpath_t_host_to_net (vl_api_gpe_native_fwd_rpath_t * e)
498 e->fib_index = clib_host_to_net_u32 (e->fib_index);
499 e->nh_sw_if_index = clib_host_to_net_u32 (e->nh_sw_if_index);
503 gpe_native_fwd_rpaths_get_reply_t_host_to_net
504 (vl_api_gpe_native_fwd_rpaths_get_reply_t * mp)
507 vl_api_gpe_native_fwd_rpath_t *e;
509 for (i = 0; i < mp->count; i++)
512 gpe_native_fwd_rpath_t_host_to_net (e);
514 mp->count = clib_host_to_net_u32 (mp->count);
518 vl_api_gpe_native_fwd_rpaths_get_t_handler (vl_api_gpe_native_fwd_rpaths_get_t
521 lisp_gpe_main_t *lgm = vnet_lisp_gpe_get_main ();
522 vl_api_gpe_native_fwd_rpaths_get_reply_t *rmp;
526 u8 rpath_index = mp->is_ip4 ? 0 : 1;
528 size = vec_len (lgm->native_fwd_rpath[rpath_index])
529 * sizeof (vl_api_gpe_native_fwd_rpath_t);
532 REPLY_MACRO4 (VL_API_GPE_NATIVE_FWD_RPATHS_GET_REPLY, size,
534 rmp->count = vec_len (lgm->native_fwd_rpath[rpath_index]);
535 gpe_native_fwd_rpaths_copy (rmp->entries,
536 lgm->native_fwd_rpath[rpath_index],
538 gpe_native_fwd_rpaths_get_reply_t_host_to_net (rmp);
545 * Add vpe's API message handlers to the table.
546 * vlib has alread mapped shared memory and
547 * added the client registration handlers.
548 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
550 #define vl_msg_name_crc_list
551 #include <vnet/vnet_all_api_h.h>
552 #undef vl_msg_name_crc_list
555 setup_message_id_table (api_main_t * am)
557 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
558 foreach_vl_msg_name_crc_lisp_gpe;
562 static clib_error_t *
563 gpe_api_hookup (vlib_main_t * vm)
565 api_main_t *am = &api_main;
568 vl_msg_api_set_handlers(VL_API_##N, #n, \
569 vl_api_##n##_t_handler, \
571 vl_api_##n##_t_endian, \
572 vl_api_##n##_t_print, \
573 sizeof(vl_api_##n##_t), 1);
578 * Set up the (msg_name, crc, message-id) table
580 setup_message_id_table (am);
585 VLIB_API_INIT_FUNCTION (gpe_api_hookup);
588 * fd.io coding-style-patch-verification: ON
591 * eval: (c-set-style "gnu")