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6c574029 RW |
1 | /* |
2 | * BFD daemon northbound implementation. | |
3 | * | |
4 | * Copyright (C) 2019 Network Device Education Foundation, Inc. ("NetDEF") | |
5 | * Rafael Zalamena | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
20 | * 02110-1301 USA. | |
21 | */ | |
22 | ||
23 | #include <zebra.h> | |
24 | ||
25 | #include "lib/log.h" | |
26 | #include "lib/northbound.h" | |
27 | ||
28 | #include "bfd.h" | |
29 | #include "bfdd_nb.h" | |
30 | ||
31 | /* | |
32 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop | |
33 | */ | |
60ee8be1 RW |
34 | const void * |
35 | bfdd_bfd_sessions_single_hop_get_next(struct nb_cb_get_next_args *args) | |
6c574029 | 36 | { |
60ee8be1 | 37 | return bfd_session_next(args->list_entry, false); |
6c574029 RW |
38 | } |
39 | ||
60ee8be1 | 40 | int bfdd_bfd_sessions_single_hop_get_keys(struct nb_cb_get_keys_args *args) |
6c574029 | 41 | { |
60ee8be1 | 42 | const struct bfd_session *bs = args->list_entry; |
6c574029 RW |
43 | char dstbuf[INET6_ADDRSTRLEN]; |
44 | ||
45 | inet_ntop(bs->key.family, &bs->key.peer, dstbuf, sizeof(dstbuf)); | |
46 | ||
60ee8be1 RW |
47 | args->keys->num = 3; |
48 | strlcpy(args->keys->key[0], dstbuf, sizeof(args->keys->key[0])); | |
49 | strlcpy(args->keys->key[1], bs->key.ifname, sizeof(args->keys->key[1])); | |
50 | strlcpy(args->keys->key[2], bs->key.vrfname, | |
51 | sizeof(args->keys->key[2])); | |
6c574029 RW |
52 | |
53 | return NB_OK; | |
54 | } | |
55 | ||
56 | const void * | |
60ee8be1 | 57 | bfdd_bfd_sessions_single_hop_lookup_entry(struct nb_cb_lookup_entry_args *args) |
6c574029 | 58 | { |
60ee8be1 RW |
59 | const char *dest_addr = args->keys->key[0]; |
60 | const char *ifname = args->keys->key[1]; | |
61 | const char *vrf = args->keys->key[2]; | |
6c574029 RW |
62 | struct sockaddr_any psa, lsa; |
63 | struct bfd_key bk; | |
64 | ||
65 | strtosa(dest_addr, &psa); | |
66 | memset(&lsa, 0, sizeof(lsa)); | |
67 | gen_bfd_key(&bk, &psa, &lsa, false, ifname, vrf); | |
68 | ||
69 | return bfd_key_lookup(bk); | |
70 | } | |
71 | ||
72 | /* | |
73 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/local-discriminator | |
74 | */ | |
75 | struct yang_data * | |
76 | bfdd_bfd_sessions_single_hop_stats_local_discriminator_get_elem( | |
60ee8be1 | 77 | struct nb_cb_get_elem_args *args) |
6c574029 | 78 | { |
60ee8be1 | 79 | const struct bfd_session *bs = args->list_entry; |
6c574029 | 80 | |
60ee8be1 | 81 | return yang_data_new_uint32(args->xpath, bs->discrs.my_discr); |
6c574029 RW |
82 | } |
83 | ||
84 | /* | |
85 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/local-state | |
86 | */ | |
60ee8be1 RW |
87 | struct yang_data *bfdd_bfd_sessions_single_hop_stats_local_state_get_elem( |
88 | struct nb_cb_get_elem_args *args) | |
6c574029 | 89 | { |
60ee8be1 | 90 | const struct bfd_session *bs = args->list_entry; |
6c574029 | 91 | |
60ee8be1 | 92 | return yang_data_new_enum(args->xpath, bs->ses_state); |
6c574029 RW |
93 | } |
94 | ||
95 | /* | |
96 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/local-diagnostic | |
97 | */ | |
98 | struct yang_data *bfdd_bfd_sessions_single_hop_stats_local_diagnostic_get_elem( | |
60ee8be1 | 99 | struct nb_cb_get_elem_args *args) |
6c574029 | 100 | { |
60ee8be1 | 101 | const struct bfd_session *bs = args->list_entry; |
6c574029 | 102 | |
60ee8be1 | 103 | return yang_data_new_enum(args->xpath, bs->local_diag); |
6c574029 RW |
104 | } |
105 | ||
106 | /* | |
107 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/local-multiplier | |
108 | */ | |
109 | struct yang_data *bfdd_bfd_sessions_single_hop_stats_local_multiplier_get_elem( | |
60ee8be1 | 110 | struct nb_cb_get_elem_args *args) |
6c574029 | 111 | { |
60ee8be1 | 112 | const struct bfd_session *bs = args->list_entry; |
6c574029 | 113 | |
60ee8be1 | 114 | return yang_data_new_int8(args->xpath, bs->detect_mult); |
6c574029 RW |
115 | } |
116 | ||
117 | /* | |
118 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/remote-discriminator | |
119 | */ | |
120 | struct yang_data * | |
121 | bfdd_bfd_sessions_single_hop_stats_remote_discriminator_get_elem( | |
60ee8be1 | 122 | struct nb_cb_get_elem_args *args) |
6c574029 | 123 | { |
60ee8be1 | 124 | const struct bfd_session *bs = args->list_entry; |
6c574029 RW |
125 | |
126 | if (bs->discrs.remote_discr == 0) | |
127 | return NULL; | |
128 | ||
60ee8be1 | 129 | return yang_data_new_uint32(args->xpath, bs->discrs.remote_discr); |
6c574029 RW |
130 | } |
131 | ||
132 | /* | |
133 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/remote-state | |
134 | */ | |
60ee8be1 RW |
135 | struct yang_data *bfdd_bfd_sessions_single_hop_stats_remote_state_get_elem( |
136 | struct nb_cb_get_elem_args *args) | |
6c574029 | 137 | { |
60ee8be1 | 138 | const struct bfd_session *bs = args->list_entry; |
6c574029 | 139 | |
60ee8be1 | 140 | return yang_data_new_enum(args->xpath, bs->ses_state); |
6c574029 RW |
141 | } |
142 | ||
143 | /* | |
144 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/remote-diagnostic | |
145 | */ | |
146 | struct yang_data *bfdd_bfd_sessions_single_hop_stats_remote_diagnostic_get_elem( | |
60ee8be1 | 147 | struct nb_cb_get_elem_args *args) |
6c574029 | 148 | { |
60ee8be1 | 149 | const struct bfd_session *bs = args->list_entry; |
6c574029 | 150 | |
60ee8be1 | 151 | return yang_data_new_enum(args->xpath, bs->remote_diag); |
6c574029 RW |
152 | } |
153 | ||
154 | /* | |
155 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/remote-multiplier | |
156 | */ | |
157 | struct yang_data *bfdd_bfd_sessions_single_hop_stats_remote_multiplier_get_elem( | |
60ee8be1 | 158 | struct nb_cb_get_elem_args *args) |
6c574029 | 159 | { |
60ee8be1 | 160 | const struct bfd_session *bs = args->list_entry; |
6c574029 | 161 | |
60ee8be1 | 162 | return yang_data_new_int8(args->xpath, bs->remote_detect_mult); |
6c574029 RW |
163 | } |
164 | ||
165 | /* | |
166 | * XPath: | |
167 | * /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/negotiated-transmission-interval | |
168 | */ | |
169 | struct yang_data * | |
170 | bfdd_bfd_sessions_single_hop_stats_negotiated_transmission_interval_get_elem( | |
60ee8be1 | 171 | struct nb_cb_get_elem_args *args) |
6c574029 | 172 | { |
60ee8be1 | 173 | const struct bfd_session *bs = args->list_entry; |
6c574029 | 174 | |
60ee8be1 RW |
175 | return yang_data_new_uint32(args->xpath, |
176 | bs->remote_timers.desired_min_tx); | |
6c574029 RW |
177 | } |
178 | ||
179 | /* | |
180 | * XPath: | |
181 | * /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/negotiated-receive-interval | |
182 | */ | |
183 | struct yang_data * | |
184 | bfdd_bfd_sessions_single_hop_stats_negotiated_receive_interval_get_elem( | |
60ee8be1 | 185 | struct nb_cb_get_elem_args *args) |
6c574029 | 186 | { |
60ee8be1 | 187 | const struct bfd_session *bs = args->list_entry; |
6c574029 | 188 | |
60ee8be1 RW |
189 | return yang_data_new_uint32(args->xpath, |
190 | bs->remote_timers.required_min_rx); | |
6c574029 RW |
191 | } |
192 | ||
193 | /* | |
194 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/detection-mode | |
195 | */ | |
196 | struct yang_data *bfdd_bfd_sessions_single_hop_stats_detection_mode_get_elem( | |
60ee8be1 | 197 | struct nb_cb_get_elem_args *args) |
6c574029 | 198 | { |
60ee8be1 | 199 | const struct bfd_session *bs = args->list_entry; |
6c574029 RW |
200 | int detection_mode; |
201 | ||
202 | /* | |
203 | * Detection mode: | |
204 | * 1. Async with echo | |
205 | * 2. Async without echo | |
206 | * 3. Demand with echo | |
207 | * 4. Demand without echo | |
208 | * | |
209 | * TODO: support demand mode. | |
210 | */ | |
b88113ef | 211 | if (CHECK_FLAG(bs->flags, BFD_SESS_FLAG_ECHO)) |
6c574029 RW |
212 | detection_mode = 1; |
213 | else | |
214 | detection_mode = 2; | |
215 | ||
60ee8be1 | 216 | return yang_data_new_enum(args->xpath, detection_mode); |
6c574029 RW |
217 | } |
218 | ||
219 | /* | |
220 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/last-down-time | |
221 | */ | |
222 | struct yang_data *bfdd_bfd_sessions_single_hop_stats_last_down_time_get_elem( | |
60ee8be1 | 223 | struct nb_cb_get_elem_args *args) |
6c574029 RW |
224 | { |
225 | /* | |
226 | * TODO: implement me. | |
227 | * | |
228 | * No yang support for time elements yet. | |
229 | */ | |
230 | return NULL; | |
231 | } | |
232 | ||
233 | /* | |
234 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/last-up-time | |
235 | */ | |
236 | struct yang_data *bfdd_bfd_sessions_single_hop_stats_last_up_time_get_elem( | |
60ee8be1 | 237 | struct nb_cb_get_elem_args *args) |
6c574029 RW |
238 | { |
239 | /* | |
240 | * TODO: implement me. | |
241 | * | |
242 | * No yang support for time elements yet. | |
243 | */ | |
244 | return NULL; | |
245 | } | |
246 | ||
247 | /* | |
248 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/session-down-count | |
249 | */ | |
250 | struct yang_data * | |
251 | bfdd_bfd_sessions_single_hop_stats_session_down_count_get_elem( | |
60ee8be1 | 252 | struct nb_cb_get_elem_args *args) |
6c574029 | 253 | { |
60ee8be1 | 254 | const struct bfd_session *bs = args->list_entry; |
6c574029 | 255 | |
60ee8be1 | 256 | return yang_data_new_uint64(args->xpath, bs->stats.session_down); |
6c574029 RW |
257 | } |
258 | ||
259 | /* | |
260 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/session-up-count | |
261 | */ | |
262 | struct yang_data *bfdd_bfd_sessions_single_hop_stats_session_up_count_get_elem( | |
60ee8be1 | 263 | struct nb_cb_get_elem_args *args) |
6c574029 | 264 | { |
60ee8be1 | 265 | const struct bfd_session *bs = args->list_entry; |
6c574029 | 266 | |
60ee8be1 | 267 | return yang_data_new_uint64(args->xpath, bs->stats.session_up); |
6c574029 RW |
268 | } |
269 | ||
270 | /* | |
271 | * XPath: | |
272 | * /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/control-packet-input-count | |
273 | */ | |
274 | struct yang_data * | |
275 | bfdd_bfd_sessions_single_hop_stats_control_packet_input_count_get_elem( | |
60ee8be1 | 276 | struct nb_cb_get_elem_args *args) |
6c574029 | 277 | { |
60ee8be1 | 278 | const struct bfd_session *bs = args->list_entry; |
6c574029 | 279 | |
60ee8be1 | 280 | return yang_data_new_uint64(args->xpath, bs->stats.rx_ctrl_pkt); |
6c574029 RW |
281 | } |
282 | ||
283 | /* | |
284 | * XPath: | |
285 | * /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/control-packet-output-count | |
286 | */ | |
287 | struct yang_data * | |
288 | bfdd_bfd_sessions_single_hop_stats_control_packet_output_count_get_elem( | |
60ee8be1 | 289 | struct nb_cb_get_elem_args *args) |
6c574029 | 290 | { |
60ee8be1 | 291 | const struct bfd_session *bs = args->list_entry; |
6c574029 | 292 | |
60ee8be1 | 293 | return yang_data_new_uint64(args->xpath, bs->stats.tx_ctrl_pkt); |
6c574029 RW |
294 | } |
295 | ||
296 | /* | |
297 | * XPath: | |
298 | * /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/negotiated-echo-transmission-interval | |
299 | */ | |
300 | struct yang_data * | |
301 | bfdd_bfd_sessions_single_hop_stats_negotiated_echo_transmission_interval_get_elem( | |
60ee8be1 | 302 | struct nb_cb_get_elem_args *args) |
6c574029 | 303 | { |
60ee8be1 | 304 | const struct bfd_session *bs = args->list_entry; |
6c574029 | 305 | |
60ee8be1 RW |
306 | return yang_data_new_uint32(args->xpath, |
307 | bs->remote_timers.required_min_echo); | |
6c574029 RW |
308 | } |
309 | ||
310 | /* | |
311 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/echo-packet-input-count | |
312 | */ | |
313 | struct yang_data * | |
314 | bfdd_bfd_sessions_single_hop_stats_echo_packet_input_count_get_elem( | |
60ee8be1 | 315 | struct nb_cb_get_elem_args *args) |
6c574029 | 316 | { |
60ee8be1 | 317 | const struct bfd_session *bs = args->list_entry; |
6c574029 | 318 | |
60ee8be1 | 319 | return yang_data_new_uint64(args->xpath, bs->stats.rx_echo_pkt); |
6c574029 RW |
320 | } |
321 | ||
322 | /* | |
323 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/echo-packet-output-count | |
324 | */ | |
325 | struct yang_data * | |
326 | bfdd_bfd_sessions_single_hop_stats_echo_packet_output_count_get_elem( | |
60ee8be1 | 327 | struct nb_cb_get_elem_args *args) |
6c574029 | 328 | { |
60ee8be1 | 329 | const struct bfd_session *bs = args->list_entry; |
6c574029 | 330 | |
60ee8be1 | 331 | return yang_data_new_uint64(args->xpath, bs->stats.tx_echo_pkt); |
6c574029 RW |
332 | } |
333 | ||
334 | /* | |
335 | * XPath: /frr-bfdd:bfdd/bfd/sessions/multi-hop | |
336 | */ | |
60ee8be1 RW |
337 | const void * |
338 | bfdd_bfd_sessions_multi_hop_get_next(struct nb_cb_get_next_args *args) | |
6c574029 | 339 | { |
60ee8be1 | 340 | return bfd_session_next(args->list_entry, true); |
6c574029 RW |
341 | } |
342 | ||
60ee8be1 | 343 | int bfdd_bfd_sessions_multi_hop_get_keys(struct nb_cb_get_keys_args *args) |
6c574029 | 344 | { |
60ee8be1 | 345 | const struct bfd_session *bs = args->list_entry; |
6c574029 RW |
346 | char dstbuf[INET6_ADDRSTRLEN], srcbuf[INET6_ADDRSTRLEN]; |
347 | ||
348 | inet_ntop(bs->key.family, &bs->key.peer, dstbuf, sizeof(dstbuf)); | |
349 | inet_ntop(bs->key.family, &bs->key.local, srcbuf, sizeof(srcbuf)); | |
350 | ||
60ee8be1 RW |
351 | args->keys->num = 4; |
352 | strlcpy(args->keys->key[0], srcbuf, sizeof(args->keys->key[0])); | |
353 | strlcpy(args->keys->key[1], dstbuf, sizeof(args->keys->key[1])); | |
354 | strlcpy(args->keys->key[2], bs->key.ifname, sizeof(args->keys->key[2])); | |
355 | strlcpy(args->keys->key[3], bs->key.vrfname, | |
356 | sizeof(args->keys->key[3])); | |
6c574029 RW |
357 | |
358 | return NB_OK; | |
359 | } | |
360 | ||
361 | const void * | |
60ee8be1 | 362 | bfdd_bfd_sessions_multi_hop_lookup_entry(struct nb_cb_lookup_entry_args *args) |
6c574029 | 363 | { |
60ee8be1 RW |
364 | const char *source_addr = args->keys->key[0]; |
365 | const char *dest_addr = args->keys->key[1]; | |
366 | const char *ifname = args->keys->key[2]; | |
367 | const char *vrf = args->keys->key[3]; | |
6c574029 RW |
368 | struct sockaddr_any psa, lsa; |
369 | struct bfd_key bk; | |
370 | ||
371 | strtosa(dest_addr, &psa); | |
372 | strtosa(source_addr, &lsa); | |
373 | gen_bfd_key(&bk, &psa, &lsa, true, ifname, vrf); | |
374 | ||
375 | return bfd_key_lookup(bk); | |
376 | } |