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>
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)
64 static locator_pair_t *
65 unformat_gpe_loc_pairs (void *locs, u32 rloc_num)
68 locator_pair_t *pairs = 0, pair, *p;
69 vl_api_gpe_locator_t *r;
71 for (i = 0; i < rloc_num; i++)
74 r = &((vl_api_gpe_locator_t *) locs)[i];
75 memset (&pair, 0, sizeof (pair));
76 ip_address_set (&pair.lcl_loc, &r->addr, r->is_ip4 ? IP4 : IP6);
78 pair.weight = r->weight;
79 vec_add1 (pairs, pair);
82 for (i = rloc_num; i < rloc_num * 2; i++)
85 r = &((vl_api_gpe_locator_t *) locs)[i];
86 p = &pairs[i - rloc_num];
87 ip_address_set (&p->rmt_loc, &r->addr, r->is_ip4 ? IP4 : IP6);
93 unformat_lisp_eid_api (gid_address_t * dst, u32 vni, u8 type, void *src,
99 gid_address_type (dst) = GID_ADDR_IP_PREFIX;
100 gid_address_ip_set (dst, src, IP4);
101 gid_address_ippref_len (dst) = len;
102 ip_prefix_normalize (&gid_address_ippref (dst));
105 gid_address_type (dst) = GID_ADDR_IP_PREFIX;
106 gid_address_ip_set (dst, src, IP6);
107 gid_address_ippref_len (dst) = len;
108 ip_prefix_normalize (&gid_address_ippref (dst));
111 gid_address_type (dst) = GID_ADDR_MAC;
112 clib_memcpy (&gid_address_mac (dst), src, 6);
116 return VNET_API_ERROR_INVALID_VALUE;
119 gid_address_vni (dst) = vni;
125 gpe_fwd_entry_path_dump_t_net_to_host
126 (vl_api_gpe_fwd_entry_path_dump_t * mp)
128 mp->fwd_entry_index = clib_net_to_host_u32 (mp->fwd_entry_index);
132 lisp_api_set_locator (vl_api_gpe_locator_t * loc,
133 const ip_address_t * addr, u8 weight)
135 loc->weight = weight;
136 if (IP4 == ip_addr_version (addr))
139 memcpy (loc->addr, addr, 4);
144 memcpy (loc->addr, addr, 16);
149 vl_api_gpe_fwd_entry_path_dump_t_handler
150 (vl_api_gpe_fwd_entry_path_dump_t * mp)
152 lisp_fwd_path_t *path;
153 vl_api_gpe_fwd_entry_path_details_t *rmp = NULL;
154 lisp_gpe_main_t *lgm = &lisp_gpe_main;
155 unix_shared_memory_queue_t *q = NULL;
156 lisp_gpe_fwd_entry_t *lfe;
158 gpe_fwd_entry_path_dump_t_net_to_host (mp);
160 q = vl_api_client_index_to_input_queue (mp->client_index);
164 if (pool_is_free_index (lgm->lisp_fwd_entry_pool, mp->fwd_entry_index))
167 lfe = pool_elt_at_index (lgm->lisp_fwd_entry_pool, mp->fwd_entry_index);
169 if (LISP_GPE_FWD_ENTRY_TYPE_NEGATIVE == lfe->type)
172 vec_foreach (path, lfe->paths)
174 rmp = vl_msg_api_alloc (sizeof (*rmp));
175 memset (rmp, 0, sizeof (*rmp));
176 const lisp_gpe_tunnel_t *lgt;
179 clib_host_to_net_u16 (VL_API_GPE_FWD_ENTRY_PATH_DETAILS);
181 const lisp_gpe_adjacency_t *ladj =
182 lisp_gpe_adjacency_get (path->lisp_adj);
183 lisp_api_set_locator (&rmp->rmt_loc, &ladj->remote_rloc, path->weight);
184 lgt = lisp_gpe_tunnel_get (ladj->tunnel_index);
185 lisp_api_set_locator (&rmp->lcl_loc, &lgt->key->lcl, path->weight);
187 rmp->context = mp->context;
188 vl_msg_api_send_shmem (q, (u8 *) & rmp);
193 gpe_fwd_entries_copy (vl_api_gpe_fwd_entry_t * dst,
194 lisp_api_gpe_fwd_entry_t * src)
196 lisp_api_gpe_fwd_entry_t *e;
201 memset (dst, 0, sizeof (*dst));
202 dst[i].dp_table = src->dp_table;
203 dst[i].fwd_entry_index = src->fwd_entry_index;
204 dst[i].vni = src->vni;
205 dst[i].action = src->action;
206 switch (fid_addr_type (&e->leid))
208 case FID_ADDR_IP_PREF:
209 if (IP4 == ip_prefix_version (&fid_addr_ippref (&e->leid)))
211 memcpy (&dst[i].leid, &fid_addr_ippref (&e->leid), 4);
212 memcpy (&dst[i].reid, &fid_addr_ippref (&e->reid), 4);
217 memcpy (&dst[i].leid, &fid_addr_ippref (&e->leid), 16);
218 memcpy (&dst[i].reid, &fid_addr_ippref (&e->reid), 16);
221 dst[i].leid_prefix_len = ip_prefix_len (&fid_addr_ippref (&e->leid));
222 dst[i].reid_prefix_len = ip_prefix_len (&fid_addr_ippref (&e->reid));
225 memcpy (&dst[i].leid, fid_addr_mac (&e->leid), 6);
226 memcpy (&dst[i].reid, fid_addr_mac (&e->reid), 6);
230 clib_warning ("unknown fid type %d!", fid_addr_type (&e->leid));
238 gpe_fwd_entries_get_t_net_to_host (vl_api_gpe_fwd_entries_get_t * mp)
240 mp->vni = clib_net_to_host_u32 (mp->vni);
244 gpe_entry_t_host_to_net (vl_api_gpe_fwd_entry_t * e)
246 e->fwd_entry_index = clib_host_to_net_u32 (e->fwd_entry_index);
247 e->dp_table = clib_host_to_net_u32 (e->dp_table);
248 e->vni = clib_host_to_net_u32 (e->vni);
252 gpe_fwd_entries_get_reply_t_host_to_net
253 (vl_api_gpe_fwd_entries_get_reply_t * mp)
256 vl_api_gpe_fwd_entry_t *e;
258 for (i = 0; i < mp->count; i++)
261 gpe_entry_t_host_to_net (e);
263 mp->count = clib_host_to_net_u32 (mp->count);
267 vl_api_gpe_fwd_entry_vnis_get_t_handler (vl_api_gpe_fwd_entry_vnis_get_t * mp)
269 vl_api_gpe_fwd_entry_vnis_get_reply_t *rmp = 0;
274 u32 *vnis = vnet_lisp_gpe_get_fwd_entry_vnis ();
275 u32 size = hash_elts (vnis) * sizeof (u32);
278 REPLY_MACRO4 (VL_API_GPE_FWD_ENTRY_VNIS_GET_REPLY, size,
280 rmp->count = clib_host_to_net_u32 (hash_elts (vnis));
281 hash_foreach_pair (p, vnis,
283 rmp->vnis[i++] = clib_host_to_net_u32 (p->key);
292 vl_api_gpe_fwd_entries_get_t_handler (vl_api_gpe_fwd_entries_get_t * mp)
294 lisp_api_gpe_fwd_entry_t *e;
295 vl_api_gpe_fwd_entries_get_reply_t *rmp = 0;
299 gpe_fwd_entries_get_t_net_to_host (mp);
301 e = vnet_lisp_gpe_fwd_entries_get_by_vni (mp->vni);
302 size = vec_len (e) * sizeof (vl_api_gpe_fwd_entry_t);
305 REPLY_MACRO4 (VL_API_GPE_FWD_ENTRIES_GET_REPLY, size,
307 rmp->count = vec_len (e);
308 gpe_fwd_entries_copy (rmp->entries, e);
309 gpe_fwd_entries_get_reply_t_host_to_net (rmp);
317 gpe_add_del_fwd_entry_t_net_to_host (vl_api_gpe_add_del_fwd_entry_t * mp)
319 mp->vni = clib_net_to_host_u32 (mp->vni);
320 mp->dp_table = clib_net_to_host_u32 (mp->dp_table);
321 mp->loc_num = clib_net_to_host_u32 (mp->loc_num);
325 vl_api_gpe_add_del_fwd_entry_t_handler (vl_api_gpe_add_del_fwd_entry_t * mp)
327 vl_api_gpe_add_del_fwd_entry_reply_t *rmp;
328 vnet_lisp_gpe_add_del_fwd_entry_args_t _a, *a = &_a;
329 locator_pair_t *pairs = 0;
332 gpe_add_del_fwd_entry_t_net_to_host (mp);
333 memset (a, 0, sizeof (a[0]));
335 rv = unformat_lisp_eid_api (&a->rmt_eid, mp->vni, mp->eid_type,
336 mp->rmt_eid, mp->rmt_len);
337 rv |= unformat_lisp_eid_api (&a->lcl_eid, mp->vni, mp->eid_type,
338 mp->lcl_eid, mp->lcl_len);
340 if (mp->loc_num % 2 != 0)
345 pairs = unformat_gpe_loc_pairs (mp->locs, mp->loc_num / 2);
350 a->is_add = mp->is_add;
351 a->locator_pairs = pairs;
352 a->dp_table = mp->dp_table;
354 a->action = mp->action;
355 if (mp->loc_num == 0)
358 rv = vnet_lisp_gpe_add_del_fwd_entry (a, 0);
361 REPLY_MACRO (VL_API_GPE_ADD_DEL_FWD_ENTRY_REPLY);
365 vl_api_gpe_enable_disable_t_handler (vl_api_gpe_enable_disable_t * mp)
367 vl_api_gpe_enable_disable_reply_t *rmp;
369 vnet_lisp_gpe_enable_disable_args_t _a, *a = &_a;
371 a->is_en = mp->is_en;
372 vnet_lisp_gpe_enable_disable (a);
374 REPLY_MACRO (VL_API_GPE_ENABLE_DISABLE_REPLY);
378 vl_api_gpe_add_del_iface_t_handler (vl_api_gpe_add_del_iface_t * mp)
380 vl_api_gpe_add_del_iface_reply_t *rmp;
388 lisp_gpe_tenant_l2_iface_add_or_lock (mp->vni, mp->dp_table))
392 lisp_gpe_tenant_l2_iface_unlock (mp->vni);
399 lisp_gpe_tenant_l3_iface_add_or_lock (mp->vni, mp->dp_table))
403 lisp_gpe_tenant_l3_iface_unlock (mp->vni);
406 REPLY_MACRO (VL_API_GPE_ADD_DEL_IFACE_REPLY);
410 vl_api_gpe_set_encap_mode_t_handler (vl_api_gpe_set_encap_mode_t * mp)
412 vl_api_gpe_set_encap_mode_reply_t *rmp;
415 rv = vnet_gpe_set_encap_mode (mp->mode);
416 REPLY_MACRO (VL_API_GPE_SET_ENCAP_MODE_REPLY);
420 vl_api_gpe_get_encap_mode_t_handler (vl_api_gpe_get_encap_mode_t * mp)
422 vl_api_gpe_get_encap_mode_reply_t *rmp;
426 REPLY_MACRO2 (VL_API_GPE_GET_ENCAP_MODE_REPLY,
428 rmp->encap_mode = vnet_gpe_get_encap_mode ();
435 * Add vpe's API message handlers to the table.
436 * vlib has alread mapped shared memory and
437 * added the client registration handlers.
438 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
440 #define vl_msg_name_crc_list
441 #include <vnet/vnet_all_api_h.h>
442 #undef vl_msg_name_crc_list
445 setup_message_id_table (api_main_t * am)
447 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
448 foreach_vl_msg_name_crc_lisp_gpe;
452 static clib_error_t *
453 gpe_api_hookup (vlib_main_t * vm)
455 api_main_t *am = &api_main;
458 vl_msg_api_set_handlers(VL_API_##N, #n, \
459 vl_api_##n##_t_handler, \
461 vl_api_##n##_t_endian, \
462 vl_api_##n##_t_print, \
463 sizeof(vl_api_##n##_t), 1);
468 * Set up the (msg_name, crc, message-id) table
470 setup_message_id_table (am);
475 VLIB_API_INIT_FUNCTION (gpe_api_hookup);
478 * fd.io coding-style-patch-verification: ON
481 * eval: (c-set-style "gnu")