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4d7b695d SM |
1 | /* |
2 | * Copyright (C) 2020 NetDEF, Inc. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License as published by the Free | |
6 | * Software Foundation; either version 2 of the License, or (at your option) | |
7 | * any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
15 | * with this program; see the file COPYING; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | */ | |
18 | ||
19 | #include <zebra.h> | |
20 | ||
21 | #include "northbound.h" | |
22 | #include "libfrr.h" | |
23 | ||
24 | #include "pathd/path_nb.h" | |
25 | ||
26 | static int iter_objfun_cb(const struct lyd_node *dnode, void *arg); | |
27 | static int dummy_create(struct nb_cb_create_args *args); | |
28 | static int dummy_modify(struct nb_cb_modify_args *args); | |
29 | static int dummy_destroy(struct nb_cb_destroy_args *args); | |
30 | ||
31 | struct of_cb_pref { | |
32 | uint32_t index; | |
33 | enum objfun_type type; | |
34 | struct of_cb_pref *next; | |
35 | }; | |
36 | ||
37 | struct of_cb_args { | |
38 | struct of_cb_pref *first; | |
39 | uint32_t free_slot; | |
40 | struct of_cb_pref prefs[MAX_OBJFUN_TYPE]; | |
41 | }; | |
42 | ||
43 | /* clang-format off */ | |
44 | const struct frr_yang_module_info frr_pathd_info = { | |
45 | .name = "frr-pathd", | |
46 | .nodes = { | |
47 | { | |
48 | .xpath = "/frr-pathd:pathd", | |
49 | .cbs = { | |
50 | .apply_finish = pathd_apply_finish, | |
51 | }, | |
52 | .priority = NB_DFLT_PRIORITY + 1 | |
53 | }, | |
54 | { | |
55 | .xpath = "/frr-pathd:pathd/srte/segment-list", | |
56 | .cbs = { | |
57 | .create = pathd_srte_segment_list_create, | |
58 | .cli_show = cli_show_srte_segment_list, | |
07679ad9 | 59 | .cli_show_end = cli_show_srte_segment_list_end, |
4d7b695d SM |
60 | .destroy = pathd_srte_segment_list_destroy, |
61 | .get_next = pathd_srte_segment_list_get_next, | |
62 | .get_keys = pathd_srte_segment_list_get_keys, | |
63 | .lookup_entry = pathd_srte_segment_list_lookup_entry, | |
64 | }, | |
65 | .priority = NB_DFLT_PRIORITY - 1 | |
66 | }, | |
67 | { | |
68 | .xpath = "/frr-pathd:pathd/srte/segment-list/protocol-origin", | |
69 | .cbs = { | |
70 | .modify = pathd_srte_segment_list_protocol_origin_modify, | |
71 | }, | |
72 | .priority = NB_DFLT_PRIORITY - 1 | |
73 | }, | |
74 | { | |
75 | .xpath = "/frr-pathd:pathd/srte/segment-list/originator", | |
76 | .cbs = { | |
77 | .modify = pathd_srte_segment_list_originator_modify, | |
78 | }, | |
79 | .priority = NB_DFLT_PRIORITY - 1 | |
80 | }, | |
81 | { | |
82 | .xpath = "/frr-pathd:pathd/srte/segment-list/segment", | |
83 | .cbs = { | |
84 | .create = pathd_srte_segment_list_segment_create, | |
85 | .cli_show = cli_show_srte_segment_list_segment, | |
86 | .destroy = pathd_srte_segment_list_segment_destroy, | |
87 | }, | |
88 | .priority = NB_DFLT_PRIORITY - 1 | |
89 | }, | |
90 | { | |
91 | .xpath = "/frr-pathd:pathd/srte/segment-list/segment/sid-value", | |
92 | .cbs = { | |
93 | .modify = pathd_srte_segment_list_segment_sid_value_modify, | |
f2b9485d | 94 | .destroy = pathd_srte_segment_list_segment_sid_value_destroy, |
4d7b695d SM |
95 | }, |
96 | .priority = NB_DFLT_PRIORITY - 1 | |
97 | }, | |
98 | { | |
99 | .xpath = "/frr-pathd:pathd/srte/segment-list/segment/nai", | |
100 | .cbs = { | |
101 | .create = dummy_create, | |
102 | .destroy = pathd_srte_segment_list_segment_nai_destroy, | |
103 | .apply_finish = pathd_srte_segment_list_segment_nai_apply_finish | |
104 | }, | |
105 | .priority = NB_DFLT_PRIORITY - 1 | |
106 | }, | |
107 | { | |
108 | .xpath = "/frr-pathd:pathd/srte/segment-list/segment/nai/type", | |
109 | .cbs = {.modify = dummy_modify} | |
110 | }, | |
111 | { | |
112 | .xpath = "/frr-pathd:pathd/srte/segment-list/segment/nai/local-address", | |
113 | .cbs = {.modify = dummy_modify} | |
114 | }, | |
115 | { | |
116 | .xpath = "/frr-pathd:pathd/srte/segment-list/segment/nai/local-interface", | |
117 | .cbs = {.modify = dummy_modify, .destroy = dummy_destroy} | |
118 | }, | |
f2b9485d JG |
119 | { |
120 | .xpath = "/frr-pathd:pathd/srte/segment-list/segment/nai/local-prefix-len", | |
121 | .cbs = {.modify = dummy_modify, .destroy = dummy_destroy} | |
122 | }, | |
4d7b695d SM |
123 | { |
124 | .xpath = "/frr-pathd:pathd/srte/segment-list/segment/nai/remote-address", | |
125 | .cbs = {.modify = dummy_modify, .destroy = dummy_destroy} | |
126 | }, | |
127 | { | |
128 | .xpath = "/frr-pathd:pathd/srte/segment-list/segment/nai/remote-interface", | |
129 | .cbs = {.modify = dummy_modify, .destroy = dummy_destroy} | |
130 | }, | |
f2b9485d JG |
131 | { |
132 | .xpath = "/frr-pathd:pathd/srte/segment-list/segment/nai/algorithm", | |
133 | .cbs = {.modify = dummy_modify, .destroy = dummy_destroy} | |
134 | }, | |
4d7b695d SM |
135 | { |
136 | .xpath = "/frr-pathd:pathd/srte/policy", | |
137 | .cbs = { | |
138 | .create = pathd_srte_policy_create, | |
139 | .cli_show = cli_show_srte_policy, | |
07679ad9 | 140 | .cli_show_end = cli_show_srte_policy_end, |
4d7b695d SM |
141 | .destroy = pathd_srte_policy_destroy, |
142 | .get_next = pathd_srte_policy_get_next, | |
143 | .get_keys = pathd_srte_policy_get_keys, | |
144 | .lookup_entry = pathd_srte_policy_lookup_entry, | |
145 | } | |
146 | }, | |
147 | { | |
148 | .xpath = "/frr-pathd:pathd/srte/policy/name", | |
149 | .cbs = { | |
150 | .modify = pathd_srte_policy_name_modify, | |
151 | .cli_show = cli_show_srte_policy_name, | |
152 | .destroy = pathd_srte_policy_name_destroy, | |
153 | } | |
154 | }, | |
155 | { | |
156 | .xpath = "/frr-pathd:pathd/srte/policy/binding-sid", | |
157 | .cbs = { | |
158 | .modify = pathd_srte_policy_binding_sid_modify, | |
159 | .cli_show = cli_show_srte_policy_binding_sid, | |
160 | .destroy = pathd_srte_policy_binding_sid_destroy, | |
161 | } | |
162 | }, | |
163 | { | |
164 | .xpath = "/frr-pathd:pathd/srte/policy/is-operational", | |
165 | .cbs = { | |
166 | .get_elem = pathd_srte_policy_is_operational_get_elem | |
167 | } | |
168 | }, | |
169 | { | |
170 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path", | |
171 | .cbs = { | |
172 | .create = pathd_srte_policy_candidate_path_create, | |
173 | .cli_show = cli_show_srte_policy_candidate_path, | |
07679ad9 | 174 | .cli_show_end = cli_show_srte_policy_candidate_path_end, |
4d7b695d SM |
175 | .destroy = pathd_srte_policy_candidate_path_destroy, |
176 | .get_next = pathd_srte_policy_candidate_path_get_next, | |
177 | .get_keys = pathd_srte_policy_candidate_path_get_keys, | |
178 | .lookup_entry = pathd_srte_policy_candidate_path_lookup_entry, | |
179 | } | |
180 | }, | |
181 | { | |
182 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/name", | |
183 | .cbs = { | |
184 | .modify = pathd_srte_policy_candidate_path_name_modify, | |
185 | } | |
186 | }, | |
187 | { | |
188 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/is-best-candidate-path", | |
189 | .cbs = { | |
190 | .get_elem = pathd_srte_policy_candidate_path_is_best_candidate_path_get_elem, | |
191 | } | |
192 | }, | |
193 | { | |
194 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/protocol-origin", | |
195 | .cbs = { | |
196 | .modify = pathd_srte_policy_candidate_path_protocol_origin_modify, | |
197 | } | |
198 | }, | |
199 | { | |
200 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/originator", | |
201 | .cbs = { | |
202 | .modify = pathd_srte_policy_candidate_path_originator_modify, | |
203 | } | |
204 | }, | |
205 | { | |
206 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/discriminator", | |
207 | .cbs = { | |
208 | .get_elem = pathd_srte_policy_candidate_path_discriminator_get_elem, | |
209 | } | |
210 | }, | |
211 | { | |
212 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/type", | |
213 | .cbs = { | |
214 | .modify = pathd_srte_policy_candidate_path_type_modify, | |
215 | } | |
216 | }, | |
217 | { | |
218 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/segment-list-name", | |
219 | .cbs = { | |
220 | .destroy = pathd_srte_policy_candidate_path_segment_list_name_destroy, | |
221 | .modify = pathd_srte_policy_candidate_path_segment_list_name_modify, | |
222 | } | |
223 | }, | |
224 | { | |
225 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/bandwidth", | |
226 | .cbs = { | |
227 | .create = dummy_create, | |
228 | .destroy = pathd_srte_policy_candidate_path_bandwidth_destroy, | |
229 | .apply_finish = pathd_srte_policy_candidate_path_bandwidth_apply_finish | |
230 | } | |
231 | }, | |
232 | { | |
233 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/bandwidth/required", | |
234 | .cbs = {.modify = dummy_modify} | |
235 | }, | |
236 | { | |
237 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/bandwidth/value", | |
238 | .cbs = {.modify = dummy_modify} | |
239 | }, | |
240 | { | |
241 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/affinity/exclude-any", | |
242 | .cbs = { | |
243 | .modify = pathd_srte_policy_candidate_path_exclude_any_modify, | |
244 | .destroy = pathd_srte_policy_candidate_path_exclude_any_destroy, | |
245 | } | |
246 | }, | |
247 | { | |
248 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/affinity/include-any", | |
249 | .cbs = { | |
250 | .modify = pathd_srte_policy_candidate_path_include_any_modify, | |
251 | .destroy = pathd_srte_policy_candidate_path_include_any_destroy, | |
252 | } | |
253 | }, | |
254 | { | |
255 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/affinity/include-all", | |
256 | .cbs = { | |
257 | .modify = pathd_srte_policy_candidate_path_include_all_modify, | |
258 | .destroy = pathd_srte_policy_candidate_path_include_all_destroy, | |
259 | } | |
260 | }, | |
261 | { | |
262 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/metrics", | |
263 | .cbs = { | |
264 | .create = dummy_create, | |
265 | .destroy = pathd_srte_policy_candidate_path_metrics_destroy, | |
266 | .apply_finish = pathd_srte_policy_candidate_path_metrics_apply_finish | |
267 | } | |
268 | }, | |
269 | { | |
270 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/metrics/value", | |
271 | .cbs = {.modify = dummy_modify} | |
272 | }, | |
273 | { | |
274 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/metrics/required", | |
275 | .cbs = {.modify = dummy_modify} | |
276 | }, | |
277 | { | |
278 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/metrics/is-bound", | |
279 | .cbs = {.modify = dummy_modify, .destroy = dummy_destroy} | |
280 | }, | |
281 | { | |
282 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/metrics/is-computed", | |
283 | .cbs = {.modify = dummy_modify, .destroy = dummy_destroy} | |
284 | }, | |
285 | { | |
286 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/objective-function", | |
287 | .cbs = { | |
288 | .create = dummy_create, | |
289 | .destroy = pathd_srte_policy_candidate_path_objfun_destroy, | |
290 | .apply_finish = pathd_srte_policy_candidate_path_objfun_apply_finish | |
291 | } | |
292 | }, | |
293 | { | |
294 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/objective-function/required", | |
295 | .cbs = {.modify = dummy_modify} | |
296 | }, | |
297 | { | |
298 | .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/objective-function/type", | |
299 | .cbs = {.modify = dummy_modify} | |
300 | }, | |
301 | { | |
302 | .xpath = NULL, | |
303 | }, | |
304 | } | |
305 | }; | |
306 | ||
307 | void iter_objfun_prefs(const struct lyd_node *dnode, const char* path, | |
308 | of_pref_cp_t fun, void *arg) | |
309 | { | |
310 | struct of_cb_args args = {0}; | |
311 | struct of_cb_pref *p; | |
312 | ||
313 | yang_dnode_iterate(iter_objfun_cb, &args, dnode, path); | |
314 | for (p = args.first; p != NULL; p = p->next) | |
315 | fun(p->type, arg); | |
316 | } | |
317 | ||
318 | int iter_objfun_cb(const struct lyd_node *dnode, void *arg) | |
319 | { | |
320 | struct of_cb_args *of_arg = arg; | |
321 | struct of_cb_pref *pref; | |
322 | struct of_cb_pref **p; | |
323 | ||
324 | if (of_arg->free_slot >= MAX_OBJFUN_TYPE) | |
325 | return YANG_ITER_STOP; | |
326 | ||
327 | pref = &of_arg->prefs[of_arg->free_slot++]; | |
328 | ||
329 | pref->index = yang_dnode_get_uint32(dnode, "./index"); | |
330 | pref->type = yang_dnode_get_enum(dnode, "./type"); | |
331 | ||
332 | /* Simplistic insertion sort */ | |
333 | p = &of_arg->first; | |
334 | while (true) { | |
335 | if (*p == NULL) { | |
336 | *p = pref; | |
337 | break; | |
338 | } | |
339 | if ((*p)->index >= pref->index) { | |
340 | pref->next = *p; | |
341 | *p = pref; | |
342 | break; | |
343 | } | |
344 | p = &(*p)->next; | |
345 | } | |
346 | ||
347 | return YANG_ITER_CONTINUE; | |
348 | } | |
349 | ||
350 | int dummy_create(struct nb_cb_create_args *args) | |
351 | { | |
352 | return NB_OK; | |
353 | } | |
354 | ||
355 | int dummy_modify(struct nb_cb_modify_args *args) | |
356 | { | |
357 | return NB_OK; | |
358 | } | |
359 | ||
360 | int dummy_destroy(struct nb_cb_destroy_args *args) | |
361 | { | |
362 | return NB_OK; | |
363 | } |