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_ADD, sr_policy_add) \
49 _(SR_POLICY_MOD, sr_policy_mod) \
50 _(SR_POLICY_DEL, sr_policy_del) \
51 _(SR_STEERING_ADD_DEL, sr_steering_add_del) \
52 _(SR_SET_ENCAP_SOURCE, sr_set_encap_source) \
53 _(SR_LOCALSIDS_DUMP, sr_localsids_dump) \
54 _(SR_POLICIES_DUMP, sr_policies_dump) \
55 _(SR_STEERING_POL_DUMP, sr_steering_pol_dump)
57 static void vl_api_sr_localsid_add_del_t_handler
58 (vl_api_sr_localsid_add_del_t * mp)
60 vl_api_sr_localsid_add_del_reply_t *rmp;
63 * int sr_cli_localsid (char is_del, ip6_address_t *localsid_addr,
64 * char end_psp, u8 behavior, u32 sw_if_index, u32 vlan_index, u32 fib_table,
65 * ip46_address_t *nh_addr, void *ls_plugin_mem)
67 if (mp->behavior == SR_BEHAVIOR_X ||
68 mp->behavior == SR_BEHAVIOR_DX6 ||
69 mp->behavior == SR_BEHAVIOR_DX4 || mp->behavior == SR_BEHAVIOR_DX2)
70 VALIDATE_SW_IF_INDEX (mp);
72 ip46_address_t prefix;
74 memset (&prefix, 0, sizeof (ip46_address_t));
75 if ((mp->nh_addr4[0] | mp->nh_addr4[1] | mp->
76 nh_addr4[2] | mp->nh_addr4[3]) != 0)
77 memcpy (&prefix.ip4, mp->nh_addr4, sizeof (prefix.ip4));
79 memcpy (&prefix.ip6, mp->nh_addr6, sizeof (prefix.ip6));
81 rv = sr_cli_localsid (mp->is_del,
82 (ip6_address_t *) & mp->localsid,
85 ntohl (mp->sw_if_index),
86 ntohl (mp->vlan_index),
87 ntohl (mp->fib_table), &prefix, NULL);
89 BAD_SW_IF_INDEX_LABEL;
90 REPLY_MACRO (VL_API_SR_LOCALSID_ADD_DEL_REPLY);
94 vl_api_sr_policy_add_t_handler (vl_api_sr_policy_add_t * mp)
96 vl_api_sr_policy_add_reply_t *rmp;
97 ip6_address_t *segments = 0, *seg;
98 ip6_address_t *this_address = (ip6_address_t *) mp->sids.sids;
101 for (i = 0; i < mp->sids.num_sids; i++)
103 vec_add2 (segments, seg, 1);
104 clib_memcpy (seg->as_u8, this_address->as_u8, sizeof (*this_address));
109 * sr_policy_add (ip6_address_t *bsid, ip6_address_t *segments,
110 * u32 weight, u8 behavior, u32 fib_table, u8 is_encap)
113 rv = sr_policy_add ((ip6_address_t *) & mp->bsid_addr,
115 ntohl (mp->sids.weight),
116 mp->type, ntohl (mp->fib_table), mp->is_encap);
118 REPLY_MACRO (VL_API_SR_POLICY_ADD_REPLY);
122 vl_api_sr_policy_mod_t_handler (vl_api_sr_policy_mod_t * mp)
124 vl_api_sr_policy_mod_reply_t *rmp;
126 ip6_address_t *segments = 0, *seg;
127 ip6_address_t *this_address = (ip6_address_t *) mp->sids.sids;
130 for (i = 0; i < mp->sids.num_sids; i++)
132 vec_add2 (segments, seg, 1);
133 clib_memcpy (seg->as_u8, this_address->as_u8, sizeof (*this_address));
140 * sr_policy_mod(ip6_address_t *bsid, u32 index, u32 fib_table,
141 * u8 operation, ip6_address_t *segments, u32 sl_index,
142 * u32 weight, u8 is_encap)
144 rv = sr_policy_mod ((ip6_address_t *) & mp->bsid_addr,
145 ntohl (mp->sr_policy_index),
146 ntohl (mp->fib_table),
148 segments, ntohl (mp->sl_index),
149 ntohl (mp->sids.weight));
151 REPLY_MACRO (VL_API_SR_POLICY_MOD_REPLY);
155 vl_api_sr_policy_del_t_handler (vl_api_sr_policy_del_t * mp)
157 vl_api_sr_policy_del_reply_t *rmp;
161 * sr_policy_del (ip6_address_t *bsid, u32 index)
163 rv = sr_policy_del ((ip6_address_t *) & mp->bsid_addr,
164 ntohl (mp->sr_policy_index));
166 REPLY_MACRO (VL_API_SR_POLICY_DEL_REPLY);
170 vl_api_sr_set_encap_source_t_handler (vl_api_sr_set_encap_source_t * mp)
172 vl_api_sr_set_encap_source_reply_t *rmp;
174 sr_set_source ((ip6_address_t *) & mp->encaps_source);
176 REPLY_MACRO (VL_API_SR_POLICY_DEL_REPLY);
179 static void vl_api_sr_steering_add_del_t_handler
180 (vl_api_sr_steering_add_del_t * mp)
182 vl_api_sr_steering_add_del_reply_t *rmp;
186 * sr_steering_policy(int is_del, ip6_address_t *bsid, u32 sr_policy_index,
187 * u32 table_id, ip46_address_t *prefix, u32 mask_width, u32 sw_if_index,
190 if (mp->traffic_type == SR_STEER_L2)
191 VALIDATE_SW_IF_INDEX (mp);
193 rv = sr_steering_policy (mp->is_del,
194 (ip6_address_t *) & mp->bsid_addr,
195 ntohl (mp->sr_policy_index),
196 ntohl (mp->table_id),
197 (ip46_address_t *) & mp->prefix_addr,
198 ntohl (mp->mask_width),
199 ntohl (mp->sw_if_index), mp->traffic_type);
201 BAD_SW_IF_INDEX_LABEL;
202 REPLY_MACRO (VL_API_SR_STEERING_ADD_DEL_REPLY);
205 static void send_sr_localsid_details
206 (ip6_sr_localsid_t * t, vl_api_registration_t * reg, u32 context)
208 vl_api_sr_localsids_details_t *rmp;
210 rmp = vl_msg_api_alloc (sizeof (*rmp));
211 memset (rmp, 0, sizeof (*rmp));
212 rmp->_vl_msg_id = ntohs (VL_API_SR_LOCALSIDS_DETAILS);
213 clib_memcpy (rmp->addr.addr, &t->localsid, sizeof (ip6_address_t));
214 rmp->end_psp = t->end_psp;
215 rmp->behavior = htons (t->behavior);
216 rmp->fib_table = htonl (t->fib_table);
217 rmp->vlan_index = htonl (t->vlan_index);
218 if (ip46_address_is_ip4 (&t->next_hop))
219 clib_memcpy (rmp->xconnect_nh_addr4, &t->next_hop.ip4,
220 sizeof (ip4_address_t));
222 clib_memcpy (rmp->xconnect_nh_addr6, &t->next_hop.ip6,
223 sizeof (ip6_address_t));
224 rmp->xconnect_iface_or_vrf_table = htonl (t->sw_if_index);
225 rmp->context = context;
227 vl_api_send_msg (reg, (u8 *) rmp);
230 static void vl_api_sr_localsids_dump_t_handler
231 (vl_api_sr_localsids_dump_t * mp)
233 vl_api_registration_t *reg;
234 ip6_sr_main_t *sm = &sr_main;
235 ip6_sr_localsid_t *t;
237 reg = vl_api_client_index_to_registration (mp->client_index);
242 pool_foreach (t, sm->localsids,
244 send_sr_localsid_details(t, reg, mp->context);
249 static void send_sr_policies_details
250 (ip6_sr_policy_t * t, vl_api_registration_t * reg, u32 context)
252 vl_api_sr_policies_details_t *rmp;
253 ip6_sr_main_t *sm = &sr_main;
256 ip6_sr_sl_t *segment_list = 0;
257 vl_api_srv6_sid_list_t *write_sid_list;
259 rmp = vl_msg_api_alloc (sizeof (*rmp) +
260 vec_len (t->segments_lists) *
261 sizeof (vl_api_srv6_sid_list_t));
264 vec_len (t->segments_lists) * sizeof (vl_api_srv6_sid_list_t)));
266 rmp->_vl_msg_id = ntohs (VL_API_SR_POLICIES_DETAILS);
267 clib_memcpy (rmp->bsid.addr, &t->bsid, sizeof (ip6_address_t));
268 rmp->is_encap = t->is_encap;
270 rmp->fib_table = htonl (t->fib_table);
271 rmp->num_sid_lists = vec_len (t->segments_lists);
273 /* Fill in all the segments lists */
274 vec_foreach (sl_index, t->segments_lists)
276 segment_list = pool_elt_at_index (sm->sid_lists, *sl_index);
277 write_sid_list = &rmp->sid_lists[sl_index - t->segments_lists];
278 write_sid_list->num_sids = vec_len (segment_list->segments);
279 write_sid_list->weight = htonl (segment_list->weight);
280 clib_memcpy (write_sid_list->sids, segment_list->segments,
281 vec_len (segment_list->segments) * sizeof (ip6_address_t));
284 rmp->context = context;
285 vl_api_send_msg (reg, (u8 *) rmp);
289 vl_api_sr_policies_dump_t_handler (vl_api_sr_policies_dump_t * mp)
291 vl_api_registration_t *reg;
292 ip6_sr_main_t *sm = &sr_main;
295 reg = vl_api_client_index_to_registration (mp->client_index);
300 pool_foreach (t, sm->sr_policies,
302 send_sr_policies_details(t, reg, mp->context);
307 static void send_sr_steering_pol_details
308 (ip6_sr_steering_policy_t * t, vl_api_registration_t * reg, u32 context)
310 vl_api_sr_steering_pol_details_t *rmp;
311 ip6_sr_main_t *sm = &sr_main;
313 rmp = vl_msg_api_alloc (sizeof (*rmp));
314 memset (rmp, 0, sizeof (*rmp));
315 rmp->_vl_msg_id = ntohs (VL_API_SR_STEERING_POL_DETAILS);
317 //Get the SR policy BSID
319 p = pool_elt_at_index (sm->sr_policies, t->sr_policy);
320 clib_memcpy (rmp->bsid.addr, &p->bsid, sizeof (ip6_address_t));
323 rmp->traffic_type = t->classify.traffic_type;
324 rmp->fib_table = htonl (t->classify.l3.fib_table);
325 rmp->mask_width = htonl (t->classify.l3.mask_width);
326 if (ip46_address_is_ip4 (&t->classify.l3.prefix))
327 clib_memcpy (rmp->prefix_addr, &t->classify.l3.prefix.ip4,
328 sizeof (ip4_address_t));
330 clib_memcpy (rmp->prefix_addr, &t->classify.l3.prefix.ip6,
331 sizeof (ip6_address_t));
333 rmp->sw_if_index = htonl (t->classify.l2.sw_if_index);
335 rmp->context = context;
336 vl_api_send_msg (reg, (u8 *) rmp);
339 static void vl_api_sr_steering_pol_dump_t_handler
340 (vl_api_sr_policies_dump_t * mp)
342 vl_api_registration_t *reg;
343 ip6_sr_main_t *sm = &sr_main;
344 ip6_sr_steering_policy_t *t;
346 reg = vl_api_client_index_to_registration (mp->client_index);
351 pool_foreach (t, sm->steer_policies,
353 send_sr_steering_pol_details(t, reg, mp->context);
360 * Add vpe's API message handlers to the table.
361 * vlib has alread mapped shared memory and
362 * added the client registration handlers.
363 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
365 #define vl_msg_name_crc_list
366 #include <vnet/vnet_all_api_h.h>
367 #undef vl_msg_name_crc_list
370 setup_message_id_table (api_main_t * am)
372 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
373 foreach_vl_msg_name_crc_sr;
377 static clib_error_t *
378 sr_api_hookup (vlib_main_t * vm)
380 api_main_t *am = &api_main;
383 vl_msg_api_set_handlers(VL_API_##N, #n, \
384 vl_api_##n##_t_handler, \
386 vl_api_##n##_t_endian, \
387 vl_api_##n##_t_print, \
388 sizeof(vl_api_##n##_t), 1);
393 * Set up the (msg_name, crc, message-id) table
395 setup_message_id_table (am);
400 VLIB_API_INIT_FUNCTION (sr_api_hookup);
403 * fd.io coding-style-patch-verification: ON
406 * eval: (c-set-style "gnu")