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)
61 static locator_pair_t *
62 unformat_gpe_loc_pairs (void *locs, u32 rloc_num)
65 locator_pair_t *pairs = 0, pair, *p;
66 vl_api_gpe_locator_t *r;
68 for (i = 0; i < rloc_num; i++)
71 r = &((vl_api_gpe_locator_t *) locs)[i];
72 memset (&pair, 0, sizeof (pair));
73 ip_address_set (&pair.lcl_loc, &r->addr, r->is_ip4 ? IP4 : IP6);
75 pair.weight = r->weight;
76 vec_add1 (pairs, pair);
79 for (i = rloc_num; i < rloc_num * 2; i++)
82 r = &((vl_api_gpe_locator_t *) locs)[i];
83 p = &pairs[i - rloc_num];
84 ip_address_set (&p->rmt_loc, &r->addr, r->is_ip4 ? IP4 : IP6);
90 unformat_lisp_eid_api (gid_address_t * dst, u32 vni, u8 type, void *src,
96 gid_address_type (dst) = GID_ADDR_IP_PREFIX;
97 gid_address_ip_set (dst, src, IP4);
98 gid_address_ippref_len (dst) = len;
99 ip_prefix_normalize (&gid_address_ippref (dst));
102 gid_address_type (dst) = GID_ADDR_IP_PREFIX;
103 gid_address_ip_set (dst, src, IP6);
104 gid_address_ippref_len (dst) = len;
105 ip_prefix_normalize (&gid_address_ippref (dst));
108 gid_address_type (dst) = GID_ADDR_MAC;
109 clib_memcpy (&gid_address_mac (dst), src, 6);
113 return VNET_API_ERROR_INVALID_VALUE;
116 gid_address_vni (dst) = vni;
122 gpe_fwd_entry_path_dump_t_net_to_host
123 (vl_api_gpe_fwd_entry_path_dump_t * mp)
125 mp->fwd_entry_index = clib_net_to_host_u32 (mp->fwd_entry_index);
129 lisp_api_set_locator (vl_api_gpe_locator_t * loc,
130 const ip_address_t * addr, u8 weight)
132 loc->weight = weight;
133 if (IP4 == ip_addr_version (addr))
136 memcpy (loc->addr, addr, 4);
141 memcpy (loc->addr, addr, 16);
146 vl_api_gpe_fwd_entry_path_dump_t_handler
147 (vl_api_gpe_fwd_entry_path_dump_t * mp)
149 lisp_fwd_path_t *path;
150 vl_api_gpe_fwd_entry_path_details_t *rmp = NULL;
151 lisp_gpe_main_t *lgm = &lisp_gpe_main;
152 unix_shared_memory_queue_t *q = NULL;
153 lisp_gpe_fwd_entry_t *lfe;
155 gpe_fwd_entry_path_dump_t_net_to_host (mp);
157 q = vl_api_client_index_to_input_queue (mp->client_index);
161 if (pool_is_free_index (lgm->lisp_fwd_entry_pool, mp->fwd_entry_index))
164 lfe = pool_elt_at_index (lgm->lisp_fwd_entry_pool, mp->fwd_entry_index);
166 if (LISP_GPE_FWD_ENTRY_TYPE_NEGATIVE == lfe->type)
169 vec_foreach (path, lfe->paths)
171 rmp = vl_msg_api_alloc (sizeof (*rmp));
172 memset (rmp, 0, sizeof (*rmp));
173 const lisp_gpe_tunnel_t *lgt;
176 clib_host_to_net_u16 (VL_API_GPE_FWD_ENTRY_PATH_DETAILS);
178 const lisp_gpe_adjacency_t *ladj =
179 lisp_gpe_adjacency_get (path->lisp_adj);
180 lisp_api_set_locator (&rmp->rmt_loc, &ladj->remote_rloc, path->weight);
181 lgt = lisp_gpe_tunnel_get (ladj->tunnel_index);
182 lisp_api_set_locator (&rmp->lcl_loc, &lgt->key->lcl, path->weight);
184 rmp->context = mp->context;
185 vl_msg_api_send_shmem (q, (u8 *) & rmp);
190 gpe_fwd_entries_copy (vl_api_gpe_fwd_entry_t * dst,
191 lisp_api_gpe_fwd_entry_t * src)
193 lisp_api_gpe_fwd_entry_t *e;
198 memset (dst, 0, sizeof (*dst));
199 dst[i].dp_table = src->dp_table;
200 dst[i].fwd_entry_index = src->fwd_entry_index;
201 switch (fid_addr_type (&e->leid))
203 case FID_ADDR_IP_PREF:
204 if (IP4 == ip_prefix_version (&fid_addr_ippref (&e->leid)))
206 memcpy (&dst[i].leid, &fid_addr_ippref (&e->leid), 4);
207 memcpy (&dst[i].reid, &fid_addr_ippref (&e->reid), 4);
212 memcpy (&dst[i].leid, &fid_addr_ippref (&e->leid), 16);
213 memcpy (&dst[i].reid, &fid_addr_ippref (&e->reid), 16);
216 dst[i].leid_prefix_len = ip_prefix_len (&fid_addr_ippref (&e->leid));
217 dst[i].reid_prefix_len = ip_prefix_len (&fid_addr_ippref (&e->reid));
220 memcpy (&dst[i].leid, fid_addr_mac (&e->leid), 6);
221 memcpy (&dst[i].reid, fid_addr_mac (&e->reid), 6);
225 clib_warning ("unknown fid type %d!", fid_addr_type (&e->leid));
233 gpe_fwd_entries_get_t_net_to_host (vl_api_gpe_fwd_entries_get_t * mp)
235 mp->vni = clib_net_to_host_u32 (mp->vni);
239 gpe_entry_t_host_to_net (vl_api_gpe_fwd_entry_t * e)
241 e->fwd_entry_index = clib_host_to_net_u32 (e->fwd_entry_index);
242 e->dp_table = clib_host_to_net_u32 (e->dp_table);
246 gpe_fwd_entries_get_reply_t_host_to_net
247 (vl_api_gpe_fwd_entries_get_reply_t * mp)
250 vl_api_gpe_fwd_entry_t *e;
252 for (i = 0; i < mp->count; i++)
255 gpe_entry_t_host_to_net (e);
257 mp->count = clib_host_to_net_u32 (mp->count);
261 vl_api_gpe_fwd_entries_get_t_handler (vl_api_gpe_fwd_entries_get_t * mp)
263 lisp_api_gpe_fwd_entry_t *e;
264 vl_api_gpe_fwd_entries_get_reply_t *rmp = 0;
268 gpe_fwd_entries_get_t_net_to_host (mp);
270 e = vnet_lisp_gpe_fwd_entries_get_by_vni (mp->vni);
271 size = vec_len (e) * sizeof (vl_api_gpe_fwd_entry_t);
274 REPLY_MACRO4 (VL_API_GPE_FWD_ENTRIES_GET_REPLY, size,
276 rmp->count = vec_len (e);
277 gpe_fwd_entries_copy (rmp->entries, e);
278 gpe_fwd_entries_get_reply_t_host_to_net (rmp);
286 gpe_add_del_fwd_entry_t_net_to_host (vl_api_gpe_add_del_fwd_entry_t * mp)
288 mp->vni = clib_net_to_host_u32 (mp->vni);
289 mp->dp_table = clib_net_to_host_u32 (mp->dp_table);
290 mp->loc_num = clib_net_to_host_u32 (mp->loc_num);
294 vl_api_gpe_add_del_fwd_entry_t_handler (vl_api_gpe_add_del_fwd_entry_t * mp)
296 vl_api_gpe_add_del_fwd_entry_reply_t *rmp;
297 vnet_lisp_gpe_add_del_fwd_entry_args_t _a, *a = &_a;
298 locator_pair_t *pairs = 0;
301 gpe_add_del_fwd_entry_t_net_to_host (mp);
302 memset (a, 0, sizeof (a[0]));
304 rv = unformat_lisp_eid_api (&a->rmt_eid, mp->vni, mp->eid_type,
305 mp->rmt_eid, mp->rmt_len);
306 rv |= unformat_lisp_eid_api (&a->lcl_eid, mp->vni, mp->eid_type,
307 mp->lcl_eid, mp->lcl_len);
309 if (mp->loc_num % 2 != 0)
314 pairs = unformat_gpe_loc_pairs (mp->locs, mp->loc_num / 2);
316 if (rv || 0 == pairs)
319 a->is_add = mp->is_add;
320 a->locator_pairs = pairs;
321 a->dp_table = mp->dp_table;
323 a->action = mp->action;
325 rv = vnet_lisp_gpe_add_del_fwd_entry (a, 0);
328 REPLY_MACRO (VL_API_GPE_ADD_DEL_FWD_ENTRY_REPLY);
332 vl_api_gpe_enable_disable_t_handler (vl_api_gpe_enable_disable_t * mp)
334 vl_api_gpe_enable_disable_reply_t *rmp;
336 vnet_lisp_gpe_enable_disable_args_t _a, *a = &_a;
338 a->is_en = mp->is_en;
339 vnet_lisp_gpe_enable_disable (a);
341 REPLY_MACRO (VL_API_GPE_ENABLE_DISABLE_REPLY);
345 vl_api_gpe_add_del_iface_t_handler (vl_api_gpe_add_del_iface_t * mp)
347 vl_api_gpe_add_del_iface_reply_t *rmp;
355 lisp_gpe_tenant_l2_iface_add_or_lock (mp->vni, mp->dp_table))
359 lisp_gpe_tenant_l2_iface_unlock (mp->vni);
366 lisp_gpe_tenant_l3_iface_add_or_lock (mp->vni, mp->dp_table))
370 lisp_gpe_tenant_l3_iface_unlock (mp->vni);
373 REPLY_MACRO (VL_API_GPE_ADD_DEL_IFACE_REPLY);
378 * Add vpe's API message handlers to the table.
379 * vlib has alread mapped shared memory and
380 * added the client registration handlers.
381 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
383 #define vl_msg_name_crc_list
384 #include <vnet/vnet_all_api_h.h>
385 #undef vl_msg_name_crc_list
388 setup_message_id_table (api_main_t * am)
390 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
391 foreach_vl_msg_name_crc_lisp_gpe;
395 static clib_error_t *
396 gpe_api_hookup (vlib_main_t * vm)
398 api_main_t *am = &api_main;
401 vl_msg_api_set_handlers(VL_API_##N, #n, \
402 vl_api_##n##_t_handler, \
404 vl_api_##n##_t_endian, \
405 vl_api_##n##_t_print, \
406 sizeof(vl_api_##n##_t), 1);
411 * Set up the (msg_name, crc, message-id) table
413 setup_message_id_table (am);
418 VLIB_API_INIT_FUNCTION (gpe_api_hookup);
421 * fd.io coding-style-patch-verification: ON
424 * eval: (c-set-style "gnu")