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>
27 #include <vnet/fib/fib_table.h>
28 #include <vnet/ip/ip_types_api.h>
30 #include <vnet/format_fns.h>
31 #include <vnet/srv6/sr.api_enum.h>
32 #include <vnet/srv6/sr.api_types.h>
34 #define REPLY_MSG_ID_BASE sr_main.msg_id_base
35 #include <vlibapi/api_helper_macros.h>
37 static void vl_api_sr_localsid_add_del_t_handler
38 (vl_api_sr_localsid_add_del_t * mp)
40 vl_api_sr_localsid_add_del_reply_t *rmp;
42 ip46_address_t prefix;
43 ip6_address_t localsid;
45 * int sr_cli_localsid (char is_del, ip6_address_t *localsid_addr,
46 * char end_psp, u8 behavior, u32 sw_if_index, u32 vlan_index, u32 fib_table,
47 * ip46_address_t *nh_addr, void *ls_plugin_mem)
49 if (mp->behavior == SR_BEHAVIOR_X ||
50 mp->behavior == SR_BEHAVIOR_DX6 ||
51 mp->behavior == SR_BEHAVIOR_DX4 || mp->behavior == SR_BEHAVIOR_DX2)
52 VALIDATE_SW_IF_INDEX (mp);
54 ip6_address_decode (mp->localsid, &localsid);
55 ip_address_decode (&mp->nh_addr, &prefix);
57 rv = sr_cli_localsid (mp->is_del,
61 ntohl (mp->sw_if_index),
62 ntohl (mp->vlan_index),
63 ntohl (mp->fib_table), &prefix, 0, NULL);
65 BAD_SW_IF_INDEX_LABEL;
66 REPLY_MACRO (VL_API_SR_LOCALSID_ADD_DEL_REPLY);
70 vl_api_sr_policy_add_t_handler (vl_api_sr_policy_add_t * mp)
72 vl_api_sr_policy_add_reply_t *rmp;
73 ip6_address_t *segments = 0, *seg;
74 ip6_address_t bsid_addr;
77 for (i = 0; i < mp->sids.num_sids; i++)
79 vec_add2 (segments, seg, 1);
80 ip6_address_decode (mp->sids.sids[i], seg);
83 ip6_address_decode (mp->bsid_addr, &bsid_addr);
86 * sr_policy_add (ip6_address_t *bsid, ip6_address_t *segments,
87 * u32 weight, u8 behavior, u32 fib_table, u8 is_encap,
88 * u16 behavior, void *plugin_mem)
91 rv = sr_policy_add (&bsid_addr,
93 ntohl (mp->sids.weight),
94 mp->is_spray, ntohl (mp->fib_table), mp->is_encap, 0,
98 REPLY_MACRO (VL_API_SR_POLICY_ADD_REPLY);
102 vl_api_sr_policy_mod_t_handler (vl_api_sr_policy_mod_t * mp)
104 vl_api_sr_policy_mod_reply_t *rmp;
105 ip6_address_t *segments = 0, *seg;
106 ip6_address_t bsid_addr;
109 for (i = 0; i < mp->sids.num_sids; i++)
111 vec_add2 (segments, seg, 1);
112 ip6_address_decode (mp->sids.sids[i], seg);
115 ip6_address_decode (mp->bsid_addr, &bsid_addr);
120 * sr_policy_mod(ip6_address_t *bsid, u32 index, u32 fib_table,
121 * u8 operation, ip6_address_t *segments, u32 sl_index,
122 * u32 weight, u8 is_encap)
124 rv = sr_policy_mod (&bsid_addr,
125 ntohl (mp->sr_policy_index),
126 ntohl (mp->fib_table),
128 segments, ntohl (mp->sl_index),
129 ntohl (mp->sids.weight));
132 REPLY_MACRO (VL_API_SR_POLICY_MOD_REPLY);
136 vl_api_sr_policy_del_t_handler (vl_api_sr_policy_del_t * mp)
138 vl_api_sr_policy_del_reply_t *rmp;
140 ip6_address_t bsid_addr;
143 * sr_policy_del (ip6_address_t *bsid, u32 index)
145 ip6_address_decode (mp->bsid_addr, &bsid_addr);
146 rv = sr_policy_del (&bsid_addr, ntohl (mp->sr_policy_index));
148 REPLY_MACRO (VL_API_SR_POLICY_DEL_REPLY);
152 vl_api_sr_set_encap_source_t_handler (vl_api_sr_set_encap_source_t * mp)
154 vl_api_sr_set_encap_source_reply_t *rmp;
156 ip6_address_t encaps_source;
158 ip6_address_decode (mp->encaps_source, &encaps_source);
159 sr_set_source (&encaps_source);
161 REPLY_MACRO (VL_API_SR_SET_ENCAP_SOURCE_REPLY);
165 vl_api_sr_set_encap_hop_limit_t_handler (vl_api_sr_set_encap_hop_limit_t * mp)
167 vl_api_sr_set_encap_hop_limit_reply_t *rmp;
170 if (mp->hop_limit == 0)
171 rv = VNET_API_ERROR_INVALID_VALUE;
173 sr_set_hop_limit (mp->hop_limit);
175 REPLY_MACRO (VL_API_SR_SET_ENCAP_HOP_LIMIT_REPLY);
178 static void vl_api_sr_steering_add_del_t_handler
179 (vl_api_sr_steering_add_del_t * mp)
181 vl_api_sr_steering_add_del_reply_t *rmp;
183 ip6_address_t bsid_addr;
184 ip46_address_t prefix_addr;
187 * sr_steering_policy(int is_del, ip6_address_t *bsid, u32 sr_policy_index,
188 * u32 table_id, ip46_address_t *prefix, u32 mask_width, u32 sw_if_index,
192 ip6_address_decode (mp->bsid_addr, &bsid_addr);
193 ip_address_decode (&mp->prefix.address, &prefix_addr);
195 if (mp->traffic_type == SR_STEER_L2)
196 VALIDATE_SW_IF_INDEX (mp);
198 rv = sr_steering_policy (mp->is_del,
200 ntohl (mp->sr_policy_index),
201 ntohl (mp->table_id),
204 ntohl (mp->sw_if_index), mp->traffic_type);
206 BAD_SW_IF_INDEX_LABEL;
207 REPLY_MACRO (VL_API_SR_STEERING_ADD_DEL_REPLY);
210 static void send_sr_localsid_details
211 (ip6_sr_localsid_t * t, vl_api_registration_t * reg, u32 context)
213 vl_api_sr_localsids_details_t *rmp;
215 rmp = vl_msg_api_alloc (sizeof (*rmp));
216 clib_memset (rmp, 0, sizeof (*rmp));
217 rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SR_LOCALSIDS_DETAILS);
218 ip6_address_encode (&t->localsid, rmp->addr);
219 rmp->end_psp = t->end_psp;
220 rmp->behavior = htons (t->behavior);
221 rmp->fib_table = htonl (t->fib_table);
222 rmp->vlan_index = htonl (t->vlan_index);
223 ip_address_encode (&t->next_hop, IP46_TYPE_ANY, &rmp->xconnect_nh_addr);
225 if (t->behavior == SR_BEHAVIOR_T || t->behavior == SR_BEHAVIOR_DT6)
226 rmp->xconnect_iface_or_vrf_table =
227 htonl (fib_table_get_table_id (t->sw_if_index, FIB_PROTOCOL_IP6));
228 else if (t->behavior == SR_BEHAVIOR_DT4)
229 rmp->xconnect_iface_or_vrf_table =
230 htonl (fib_table_get_table_id (t->sw_if_index, FIB_PROTOCOL_IP4));
232 rmp->xconnect_iface_or_vrf_table = htonl (t->sw_if_index);
234 rmp->context = context;
236 vl_api_send_msg (reg, (u8 *) rmp);
239 static void vl_api_sr_localsids_dump_t_handler
240 (vl_api_sr_localsids_dump_t * mp)
242 vl_api_registration_t *reg;
243 ip6_sr_main_t *sm = &sr_main;
244 ip6_sr_localsid_t *t;
246 reg = vl_api_client_index_to_registration (mp->client_index);
251 pool_foreach (t, sm->localsids)
253 send_sr_localsid_details(t, reg, mp->context);
258 static void send_sr_policies_details
259 (ip6_sr_policy_t * t, vl_api_registration_t * reg, u32 context)
261 vl_api_sr_policies_details_t *rmp;
262 ip6_sr_main_t *sm = &sr_main;
264 u32 *sl_index, slidx = 0;
265 ip6_sr_sl_t *segment_list = 0;
266 ip6_address_t *segment;
267 vl_api_srv6_sid_list_t *api_sid_list;
269 rmp = vl_msg_api_alloc (sizeof (*rmp) +
270 vec_len (t->segments_lists) *
271 sizeof (vl_api_srv6_sid_list_t));
274 vec_len (t->segments_lists) *
275 sizeof (vl_api_srv6_sid_list_t)));
277 rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SR_POLICIES_DETAILS);
278 ip6_address_encode (&t->bsid, rmp->bsid);
279 rmp->is_encap = t->is_encap;
280 rmp->is_spray = t->type;
281 rmp->fib_table = htonl (t->fib_table);
282 rmp->num_sid_lists = vec_len (t->segments_lists);
284 /* Fill in all the segments lists */
285 vec_foreach (sl_index, t->segments_lists)
287 segment_list = pool_elt_at_index (sm->sid_lists, *sl_index);
289 api_sid_list = &rmp->sid_lists[sl_index - t->segments_lists];
291 api_sid_list->num_sids = vec_len (segment_list->segments);
292 api_sid_list->weight = htonl (segment_list->weight);
294 vec_foreach (segment, segment_list->segments)
296 ip6_address_encode (segment, api_sid_list->sids[slidx++]);
300 rmp->context = context;
301 vl_api_send_msg (reg, (u8 *) rmp);
305 vl_api_sr_policies_dump_t_handler (vl_api_sr_policies_dump_t * mp)
307 vl_api_registration_t *reg;
308 ip6_sr_main_t *sm = &sr_main;
311 reg = vl_api_client_index_to_registration (mp->client_index);
316 pool_foreach (t, sm->sr_policies)
318 send_sr_policies_details(t, reg, mp->context);
325 static void send_sr_policies_details_with_sl_index
326 (ip6_sr_policy_t * t, vl_api_registration_t * reg, u32 context)
328 vl_api_sr_policies_with_sl_index_details_t *rmp;
329 ip6_sr_main_t *sm = &sr_main;
331 u32 *sl_index, slidx = 0;
332 ip6_sr_sl_t *segment_list = 0;
333 ip6_address_t *segment;
334 vl_api_srv6_sid_list_with_sl_index_t *api_sid_list;
336 rmp = vl_msg_api_alloc (sizeof (*rmp) +
337 vec_len (t->segments_lists) *
338 sizeof (vl_api_srv6_sid_list_with_sl_index_t));
341 vec_len (t->segments_lists) *
342 sizeof (vl_api_srv6_sid_list_with_sl_index_t)));
345 ntohs (REPLY_MSG_ID_BASE + VL_API_SR_POLICIES_WITH_SL_INDEX_DETAILS);
346 ip6_address_encode (&t->bsid, rmp->bsid);
347 rmp->is_encap = t->is_encap;
348 rmp->is_spray = t->type;
349 rmp->fib_table = htonl (t->fib_table);
350 rmp->num_sid_lists = vec_len (t->segments_lists);
352 /* Fill in all the segments lists */
353 vec_foreach (sl_index, t->segments_lists)
355 segment_list = pool_elt_at_index (sm->sid_lists, *sl_index);
357 api_sid_list = &rmp->sid_lists[sl_index - t->segments_lists];
358 api_sid_list->sl_index = htonl (*sl_index);
359 api_sid_list->num_sids = vec_len (segment_list->segments);
360 api_sid_list->weight = htonl (segment_list->weight);
362 vec_foreach (segment, segment_list->segments)
364 ip6_address_encode (segment, api_sid_list->sids[slidx++]);
368 rmp->context = context;
369 vl_api_send_msg (reg, (u8 *) rmp);
373 vl_api_sr_policies_with_sl_index_dump_t_handler
374 (vl_api_sr_policies_with_sl_index_dump_t * mp)
376 vl_api_registration_t *reg;
377 ip6_sr_main_t *sm = &sr_main;
380 reg = vl_api_client_index_to_registration (mp->client_index);
385 pool_foreach (t, sm->sr_policies)
387 send_sr_policies_details_with_sl_index(t, reg, mp->context);
392 static void send_sr_steering_pol_details
393 (ip6_sr_steering_policy_t * t, vl_api_registration_t * reg, u32 context)
395 vl_api_sr_steering_pol_details_t *rmp;
396 ip6_sr_main_t *sm = &sr_main;
398 rmp = vl_msg_api_alloc (sizeof (*rmp));
399 clib_memset (rmp, 0, sizeof (*rmp));
400 rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SR_STEERING_POL_DETAILS);
402 //Get the SR policy BSID
404 p = pool_elt_at_index (sm->sr_policies, t->sr_policy);
405 ip6_address_encode (&p->bsid, rmp->bsid);
408 rmp->traffic_type = t->classify.traffic_type;
409 rmp->fib_table = htonl (t->classify.l3.fib_table);
410 ip_address_encode (&t->classify.l3.prefix, IP46_TYPE_ANY,
411 &rmp->prefix.address);
412 rmp->prefix.len = t->classify.l3.mask_width;
414 rmp->sw_if_index = htonl (t->classify.l2.sw_if_index);
416 rmp->context = context;
417 vl_api_send_msg (reg, (u8 *) rmp);
420 static void vl_api_sr_steering_pol_dump_t_handler
421 (vl_api_sr_policies_dump_t * mp)
423 vl_api_registration_t *reg;
424 ip6_sr_main_t *sm = &sr_main;
425 ip6_sr_steering_policy_t *t;
427 reg = vl_api_client_index_to_registration (mp->client_index);
432 pool_foreach (t, sm->steer_policies)
434 send_sr_steering_pol_details(t, reg, mp->context);
439 #include <vnet/srv6/sr.api.c>
440 static clib_error_t *
441 sr_api_hookup (vlib_main_t * vm)
444 * Set up the (msg_name, crc, message-id) table
446 REPLY_MSG_ID_BASE = setup_message_id_table ();
451 VLIB_API_INIT_FUNCTION (sr_api_hookup);
454 * fd.io coding-style-patch-verification: ON
457 * eval: (c-set-style "gnu")