2 *------------------------------------------------------------------
3 * sr_api.c - ipv6 segment routing 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 <vnet/srv6/sr.h>
22 #include <vlibmemory/api.h>
24 #include <vnet/interface.h>
25 #include <vnet/api_errno.h>
26 #include <vnet/feature/feature.h>
28 #include <vnet/vnet_msg_enum.h>
30 #define vl_typedefs /* define message structures */
31 #include <vnet/vnet_all_api_h.h>
34 #define vl_endianfun /* define message structures */
35 #include <vnet/vnet_all_api_h.h>
38 /* instantiate all the print functions we know about */
39 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
41 #include <vnet/vnet_all_api_h.h>
44 #include <vlibapi/api_helper_macros.h>
46 #define foreach_vpe_api_msg \
47 _(SR_LOCALSID_ADD_DEL, sr_localsid_add_del) \
48 _(SR_POLICY_DEL, sr_policy_del) \
49 _(SR_STEERING_ADD_DEL, sr_steering_add_del) \
50 _(SR_SET_ENCAP_SOURCE, sr_set_encap_source) \
51 _(SR_LOCALSIDS_DUMP, sr_localsids_dump)
52 //_(SR_LOCALSID_BEHAVIORS, sr_localsid_behaviors_dump)
54 static void vl_api_sr_localsid_add_del_t_handler
55 (vl_api_sr_localsid_add_del_t * mp)
57 vl_api_sr_localsid_add_del_reply_t *rmp;
60 * int sr_cli_localsid (char is_del, ip6_address_t *localsid_addr,
61 * char end_psp, u8 behavior, u32 sw_if_index, u32 vlan_index, u32 fib_table,
62 * ip46_address_t *nh_addr, void *ls_plugin_mem)
65 VALIDATE_SW_IF_INDEX (mp);
67 rv = sr_cli_localsid (mp->is_del,
68 (ip6_address_t *) & mp->localsid_addr,
71 ntohl (mp->sw_if_index),
72 ntohl (mp->vlan_index),
73 ntohl (mp->fib_table),
74 (ip46_address_t *) & mp->nh_addr, NULL);
76 BAD_SW_IF_INDEX_LABEL;
78 REPLY_MACRO (VL_API_SR_LOCALSID_ADD_DEL_REPLY);
82 vl_api_sr_policy_add_t_handler (vl_api_sr_policy_add_t * mp)
84 vl_api_sr_policy_add_reply_t *rmp;
85 ip6_address_t *segments = 0, *seg;
86 ip6_address_t *this_address = (ip6_address_t *) mp->segments;
89 for (i = 0; i < mp->n_segments; i++)
91 vec_add2 (segments, seg, 1);
92 clib_memcpy (seg->as_u8, this_address->as_u8, sizeof (*this_address));
97 * sr_policy_add (ip6_address_t *bsid, ip6_address_t *segments,
98 * u32 weight, u8 behavior, u32 fib_table, u8 is_encap)
101 rv = sr_policy_add ((ip6_address_t *) & mp->bsid_addr,
104 mp->type, ntohl (mp->fib_table), mp->is_encap);
106 REPLY_MACRO (VL_API_SR_POLICY_ADD_REPLY);
110 vl_api_sr_policy_mod_t_handler (vl_api_sr_policy_mod_t * mp)
112 vl_api_sr_policy_mod_reply_t *rmp;
114 ip6_address_t *segments = 0, *seg;
115 ip6_address_t *this_address = (ip6_address_t *) mp->segments;
118 for (i = 0; i < mp->n_segments; i++)
120 vec_add2 (segments, seg, 1);
121 clib_memcpy (seg->as_u8, this_address->as_u8, sizeof (*this_address));
128 * sr_policy_mod(ip6_address_t *bsid, u32 index, u32 fib_table,
129 * u8 operation, ip6_address_t *segments, u32 sl_index,
130 * u32 weight, u8 is_encap)
132 rv = sr_policy_mod ((ip6_address_t *) & mp->bsid_addr,
133 ntohl (mp->sr_policy_index),
134 ntohl (mp->fib_table),
136 segments, ntohl (mp->sl_index), ntohl (mp->weight));
138 REPLY_MACRO (VL_API_SR_POLICY_MOD_REPLY);
142 vl_api_sr_policy_del_t_handler (vl_api_sr_policy_del_t * mp)
144 vl_api_sr_policy_del_reply_t *rmp;
148 * sr_policy_del (ip6_address_t *bsid, u32 index)
150 rv = sr_policy_del ((ip6_address_t *) & mp->bsid_addr,
151 ntohl (mp->sr_policy_index));
153 REPLY_MACRO (VL_API_SR_POLICY_DEL_REPLY);
157 vl_api_sr_set_encap_source_t_handler (vl_api_sr_set_encap_source_t * mp)
159 vl_api_sr_set_encap_source_reply_t *rmp;
161 sr_set_source ((ip6_address_t *) & mp->encaps_source);
163 REPLY_MACRO (VL_API_SR_POLICY_DEL_REPLY);
166 static void vl_api_sr_steering_add_del_t_handler
167 (vl_api_sr_steering_add_del_t * mp)
169 vl_api_sr_steering_add_del_reply_t *rmp;
173 * sr_steering_policy(int is_del, ip6_address_t *bsid, u32 sr_policy_index,
174 * u32 table_id, ip46_address_t *prefix, u32 mask_width, u32 sw_if_index,
178 VALIDATE_SW_IF_INDEX (mp);
180 rv = sr_steering_policy (mp->is_del,
181 (ip6_address_t *) & mp->bsid_addr,
182 ntohl (mp->sr_policy_index),
183 ntohl (mp->table_id),
184 (ip46_address_t *) & mp->prefix_addr,
185 ntohl (mp->mask_width),
186 ntohl (mp->sw_if_index), mp->traffic_type);
188 BAD_SW_IF_INDEX_LABEL;
190 REPLY_MACRO (VL_API_SR_STEERING_ADD_DEL_REPLY);
193 static void send_sr_localsid_details
194 (ip6_sr_localsid_t * t, vl_api_registration_t * reg, u32 context)
196 vl_api_sr_localsids_details_t *rmp;
198 rmp = vl_msg_api_alloc (sizeof (*rmp));
199 memset (rmp, 0, sizeof (*rmp));
200 rmp->_vl_msg_id = ntohs (VL_API_SR_LOCALSIDS_DETAILS);
201 memcpy (rmp->address, &t->localsid, sizeof (ip6_address_t));
202 rmp->end_psp = t->end_psp;
203 rmp->behavior = htons (t->behavior);
204 rmp->fib_table = htonl (t->fib_table);
205 memcpy (rmp->xconnect_next_hop, &t->next_hop, sizeof (ip6_address_t));
206 rmp->xconnect_iface_or_vrf_table = htonl (t->sw_if_index);
207 rmp->context = context;
209 vl_api_send_msg (reg, (u8 *) rmp);
212 static void vl_api_sr_localsids_dump_t_handler
213 (vl_api_sr_localsids_dump_t * mp)
215 vl_api_registration_t *reg;
216 ip6_sr_main_t *sm = &sr_main;
217 ip6_sr_localsid_t *t;
219 reg = vl_api_client_index_to_registration (mp->client_index);
224 pool_foreach (t, sm->localsids,
226 send_sr_localsid_details(t, reg, mp->context);
234 * Add vpe's API message handlers to the table.
235 * vlib has alread mapped shared memory and
236 * added the client registration handlers.
237 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
239 #define vl_msg_name_crc_list
240 #include <vnet/vnet_all_api_h.h>
241 #undef vl_msg_name_crc_list
244 setup_message_id_table (api_main_t * am)
246 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
247 foreach_vl_msg_name_crc_sr;
251 static clib_error_t *
252 sr_api_hookup (vlib_main_t * vm)
254 api_main_t *am = &api_main;
257 vl_msg_api_set_handlers(VL_API_##N, #n, \
258 vl_api_##n##_t_handler, \
260 vl_api_##n##_t_endian, \
261 vl_api_##n##_t_print, \
262 sizeof(vl_api_##n##_t), 1);
267 * Manually register the sr policy add msg, so we trace
268 * enough bytes to capture a typical segment list
270 vl_msg_api_set_handlers (VL_API_SR_POLICY_ADD,
272 vl_api_sr_policy_add_t_handler,
274 vl_api_sr_policy_add_t_endian,
275 vl_api_sr_policy_add_t_print, 256, 1);
278 * Manually register the sr policy mod msg, so we trace
279 * enough bytes to capture a typical segment list
281 vl_msg_api_set_handlers (VL_API_SR_POLICY_MOD,
283 vl_api_sr_policy_mod_t_handler,
285 vl_api_sr_policy_mod_t_endian,
286 vl_api_sr_policy_mod_t_print, 256, 1);
289 * Set up the (msg_name, crc, message-id) table
291 setup_message_id_table (am);
296 VLIB_API_INIT_FUNCTION (sr_api_hookup);
299 * fd.io coding-style-patch-verification: ON
302 * eval: (c-set-style "gnu")