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adc26455 RZ |
1 | /* |
2 | * BFD daemon CLI 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 | ||
8e0c84ff RZ |
23 | #include <zebra.h> |
24 | ||
adc26455 RZ |
25 | #include "lib/command.h" |
26 | #include "lib/log.h" | |
27 | #include "lib/northbound_cli.h" | |
28 | ||
29 | #ifndef VTYSH_EXTRACT_PL | |
30 | #include "bfdd/bfdd_cli_clippy.c" | |
31 | #endif /* VTYSH_EXTRACT_PL */ | |
32 | ||
33 | #include "bfd.h" | |
6c574029 | 34 | #include "bfdd_nb.h" |
adc26455 RZ |
35 | |
36 | /* | |
37 | * Definitions. | |
38 | */ | |
39 | #define PEER_STR "Configure peer\n" | |
40 | #define INTERFACE_NAME_STR "Configure interface name to use\n" | |
41 | #define PEER_IPV4_STR "IPv4 peer address\n" | |
42 | #define PEER_IPV6_STR "IPv6 peer address\n" | |
43 | #define MHOP_STR "Configure multihop\n" | |
44 | #define LOCAL_STR "Configure local address\n" | |
45 | #define LOCAL_IPV4_STR "IPv4 local address\n" | |
46 | #define LOCAL_IPV6_STR "IPv6 local address\n" | |
47 | #define LOCAL_INTF_STR "Configure local interface name to use\n" | |
48 | #define VRF_STR "Configure VRF\n" | |
49 | #define VRF_NAME_STR "Configure VRF name\n" | |
50 | ||
51 | /* | |
52 | * Prototypes. | |
53 | */ | |
54 | ||
55 | /* | |
56 | * Functions. | |
57 | */ | |
fdf8ac87 RZ |
58 | DEFPY_NOSH( |
59 | bfd_enter, bfd_enter_cmd, | |
60 | "bfd", | |
61 | "Configure BFD peers\n") | |
62 | { | |
63 | int ret; | |
64 | ||
65 | nb_cli_enqueue_change(vty, "/frr-bfdd:bfdd/bfd", NB_OP_CREATE, NULL); | |
66 | ret = nb_cli_apply_changes(vty, NULL); | |
67 | if (ret == CMD_SUCCESS) | |
68 | VTY_PUSH_XPATH(BFD_NODE, "/frr-bfdd:bfdd/bfd"); | |
69 | ||
70 | return ret; | |
71 | } | |
72 | ||
2a573ff6 RZ |
73 | DEFUN( |
74 | bfd_config_reset, bfd_config_reset_cmd, | |
75 | "no bfd", | |
76 | NO_STR | |
77 | "Configure BFD peers\n") | |
78 | { | |
79 | nb_cli_enqueue_change(vty, "/frr-bfdd:bfdd/bfd", NB_OP_DESTROY, NULL); | |
80 | return nb_cli_apply_changes(vty, NULL); | |
81 | } | |
82 | ||
0287a64a RZ |
83 | void bfd_cli_show_header(struct vty *vty, |
84 | struct lyd_node *dnode __attribute__((__unused__)), | |
85 | bool show_defaults __attribute__((__unused__))) | |
86 | { | |
87 | vty_out(vty, "!\nbfd\n"); | |
88 | } | |
89 | ||
90 | void bfd_cli_show_header_end(struct vty *vty, | |
91 | struct lyd_node *dnode __attribute__((__unused__))) | |
92 | { | |
93 | vty_out(vty, "!\n"); | |
94 | } | |
95 | ||
adc26455 RZ |
96 | DEFPY_NOSH( |
97 | bfd_peer_enter, bfd_peer_enter_cmd, | |
98 | "peer <A.B.C.D|X:X::X:X> [{multihop$multihop|local-address <A.B.C.D|X:X::X:X>|interface IFNAME$ifname|vrf NAME}]", | |
99 | PEER_STR | |
100 | PEER_IPV4_STR | |
101 | PEER_IPV6_STR | |
102 | MHOP_STR | |
103 | LOCAL_STR | |
104 | LOCAL_IPV4_STR | |
105 | LOCAL_IPV6_STR | |
106 | INTERFACE_STR | |
107 | LOCAL_INTF_STR | |
108 | VRF_STR | |
109 | VRF_NAME_STR) | |
110 | { | |
111 | int ret, slen; | |
adc26455 | 112 | char source_str[INET6_ADDRSTRLEN]; |
284062bf | 113 | char xpath[XPATH_MAXLEN], xpath_srcaddr[XPATH_MAXLEN + 32]; |
adc26455 RZ |
114 | |
115 | if (multihop) | |
116 | snprintf(source_str, sizeof(source_str), "[source-addr='%s']", | |
117 | local_address_str); | |
118 | else | |
119 | source_str[0] = 0; | |
120 | ||
121 | slen = snprintf(xpath, sizeof(xpath), | |
122 | "/frr-bfdd:bfdd/bfd/sessions/%s%s[dest-addr='%s']", | |
123 | multihop ? "multi-hop" : "single-hop", source_str, | |
124 | peer_str); | |
125 | if (ifname) | |
126 | slen += snprintf(xpath + slen, sizeof(xpath) - slen, | |
127 | "[interface='%s']", ifname); | |
128 | else | |
129 | slen += snprintf(xpath + slen, sizeof(xpath) - slen, | |
130 | "[interface='']"); | |
131 | if (vrf) | |
132 | snprintf(xpath + slen, sizeof(xpath) - slen, "[vrf='%s']", vrf); | |
133 | else | |
134 | snprintf(xpath + slen, sizeof(xpath) - slen, "[vrf='%s']", | |
135 | VRF_DEFAULT_NAME); | |
136 | ||
137 | nb_cli_enqueue_change(vty, xpath, NB_OP_CREATE, NULL); | |
284062bf RZ |
138 | if (multihop == NULL && local_address_str != NULL) { |
139 | snprintf(xpath_srcaddr, sizeof(xpath_srcaddr), | |
140 | "%s/source-addr", xpath); | |
141 | nb_cli_enqueue_change(vty, xpath_srcaddr, NB_OP_MODIFY, | |
142 | local_address_str); | |
143 | } | |
adc26455 | 144 | |
fdf8ac87 | 145 | /* Apply settings immediately. */ |
adc26455 RZ |
146 | ret = nb_cli_apply_changes(vty, NULL); |
147 | if (ret == CMD_SUCCESS) | |
148 | VTY_PUSH_XPATH(BFD_PEER_NODE, xpath); | |
149 | ||
150 | return ret; | |
151 | } | |
152 | ||
153 | DEFPY( | |
154 | bfd_no_peer, bfd_no_peer_cmd, | |
155 | "no peer <A.B.C.D|X:X::X:X> [{multihop$multihop|local-address <A.B.C.D|X:X::X:X>|interface IFNAME$ifname|vrf NAME}]", | |
156 | NO_STR | |
157 | PEER_STR | |
158 | PEER_IPV4_STR | |
159 | PEER_IPV6_STR | |
160 | MHOP_STR | |
161 | LOCAL_STR | |
162 | LOCAL_IPV4_STR | |
163 | LOCAL_IPV6_STR | |
164 | INTERFACE_STR | |
165 | LOCAL_INTF_STR | |
166 | VRF_STR | |
167 | VRF_NAME_STR) | |
168 | { | |
169 | int slen; | |
170 | char xpath[XPATH_MAXLEN]; | |
171 | char source_str[INET6_ADDRSTRLEN]; | |
172 | ||
173 | if (multihop) | |
174 | snprintf(source_str, sizeof(source_str), "[source-addr='%s']", | |
175 | local_address_str); | |
176 | else | |
177 | source_str[0] = 0; | |
178 | ||
179 | slen = snprintf(xpath, sizeof(xpath), | |
180 | "/frr-bfdd:bfdd/bfd/sessions/%s%s[dest-addr='%s']", | |
181 | multihop ? "multi-hop" : "single-hop", source_str, | |
182 | peer_str); | |
183 | if (ifname) | |
184 | slen += snprintf(xpath + slen, sizeof(xpath) - slen, | |
185 | "[interface='%s']", ifname); | |
186 | else | |
187 | slen += snprintf(xpath + slen, sizeof(xpath) - slen, | |
188 | "[interface='']"); | |
189 | if (vrf) | |
190 | snprintf(xpath + slen, sizeof(xpath) - slen, "[vrf='%s']", vrf); | |
191 | else | |
192 | snprintf(xpath + slen, sizeof(xpath) - slen, "[vrf='%s']", | |
193 | VRF_DEFAULT_NAME); | |
194 | ||
195 | nb_cli_enqueue_change(vty, xpath, NB_OP_DESTROY, NULL); | |
196 | ||
197 | /* Apply settings immediatly. */ | |
198 | return nb_cli_apply_changes(vty, NULL); | |
199 | } | |
200 | ||
0287a64a RZ |
201 | static void _bfd_cli_show_peer(struct vty *vty, struct lyd_node *dnode, |
202 | bool show_defaults __attribute__((__unused__)), | |
203 | bool mhop) | |
204 | { | |
205 | const char *vrf = yang_dnode_get_string(dnode, "./vrf"); | |
206 | const char *ifname = yang_dnode_get_string(dnode, "./interface"); | |
207 | ||
208 | vty_out(vty, " peer %s", | |
209 | yang_dnode_get_string(dnode, "./dest-addr")); | |
210 | ||
211 | if (mhop) | |
212 | vty_out(vty, " multihop"); | |
213 | ||
214 | if (yang_dnode_exists(dnode, "./source-addr")) | |
215 | vty_out(vty, " local-address %s", | |
216 | yang_dnode_get_string(dnode, "./source-addr")); | |
217 | ||
218 | if (strcmp(vrf, VRF_DEFAULT_NAME)) | |
219 | vty_out(vty, " vrf %s", vrf); | |
220 | ||
221 | if (ifname[0]) | |
222 | vty_out(vty, " interface %s", ifname); | |
223 | ||
224 | vty_out(vty, "\n"); | |
225 | } | |
226 | ||
227 | void bfd_cli_show_single_hop_peer(struct vty *vty, | |
228 | struct lyd_node *dnode, | |
229 | bool show_defaults) | |
230 | { | |
231 | _bfd_cli_show_peer(vty, dnode, show_defaults, false); | |
232 | } | |
233 | ||
234 | void bfd_cli_show_multi_hop_peer(struct vty *vty, | |
235 | struct lyd_node *dnode, | |
236 | bool show_defaults) | |
237 | { | |
238 | _bfd_cli_show_peer(vty, dnode, show_defaults, true); | |
239 | } | |
240 | ||
241 | void bfd_cli_show_peer_end(struct vty *vty, | |
242 | struct lyd_node *dnode __attribute__((__unused__))) | |
243 | { | |
244 | vty_out(vty, " !\n"); | |
245 | } | |
246 | ||
adc26455 RZ |
247 | DEFPY( |
248 | bfd_peer_shutdown, bfd_peer_shutdown_cmd, | |
249 | "[no] shutdown", | |
250 | NO_STR | |
7818c5fb | 251 | "Disable BFD peer\n") |
adc26455 RZ |
252 | { |
253 | nb_cli_enqueue_change(vty, "./administrative-down", NB_OP_MODIFY, | |
254 | no ? "false" : "true"); | |
255 | return nb_cli_apply_changes(vty, NULL); | |
256 | } | |
257 | ||
0287a64a RZ |
258 | void bfd_cli_show_shutdown(struct vty *vty, struct lyd_node *dnode, |
259 | bool show_defaults) | |
260 | { | |
261 | if (show_defaults) | |
262 | vty_out(vty, " shutdown\n"); | |
263 | else | |
264 | vty_out(vty, " %sshutdown\n", | |
265 | yang_dnode_get_bool(dnode, NULL) ? "" : "no "); | |
266 | } | |
267 | ||
adc26455 RZ |
268 | DEFPY( |
269 | bfd_peer_mult, bfd_peer_mult_cmd, | |
270 | "detect-multiplier (2-255)$multiplier", | |
271 | "Configure peer detection multiplier\n" | |
272 | "Configure peer detection multiplier value\n") | |
273 | { | |
274 | nb_cli_enqueue_change(vty, "./detection-multiplier", NB_OP_MODIFY, | |
275 | multiplier_str); | |
276 | return nb_cli_apply_changes(vty, NULL); | |
277 | } | |
278 | ||
0287a64a RZ |
279 | void bfd_cli_show_mult(struct vty *vty, struct lyd_node *dnode, |
280 | bool show_defaults) | |
281 | { | |
282 | if (show_defaults) | |
283 | vty_out(vty, " detect-multiplier %d\n", | |
284 | BFD_DEFDETECTMULT); | |
285 | else | |
286 | vty_out(vty, " detect-multiplier %s\n", | |
287 | yang_dnode_get_string(dnode, NULL)); | |
288 | } | |
289 | ||
adc26455 RZ |
290 | DEFPY( |
291 | bfd_peer_rx, bfd_peer_rx_cmd, | |
292 | "receive-interval (10-60000)$interval", | |
293 | "Configure peer receive interval\n" | |
294 | "Configure peer receive interval value in milliseconds\n") | |
295 | { | |
8a676ce6 RZ |
296 | char value[32]; |
297 | ||
298 | snprintf(value, sizeof(value), "%ld", interval * 1000); | |
adc26455 | 299 | nb_cli_enqueue_change(vty, "./required-receive-interval", NB_OP_MODIFY, |
8a676ce6 RZ |
300 | value); |
301 | ||
adc26455 RZ |
302 | return nb_cli_apply_changes(vty, NULL); |
303 | } | |
304 | ||
0287a64a RZ |
305 | void bfd_cli_show_rx(struct vty *vty, struct lyd_node *dnode, |
306 | bool show_defaults) | |
307 | { | |
8a676ce6 RZ |
308 | uint32_t value; |
309 | ||
0287a64a RZ |
310 | if (show_defaults) |
311 | vty_out(vty, " receive-interval %d\n", | |
312 | BFD_DEFREQUIREDMINRX); | |
8a676ce6 RZ |
313 | else { |
314 | value = yang_dnode_get_uint32(dnode, NULL); | |
315 | vty_out(vty, " receive-interval %" PRIu32 "\n", value / 1000); | |
316 | } | |
0287a64a RZ |
317 | } |
318 | ||
adc26455 RZ |
319 | DEFPY( |
320 | bfd_peer_tx, bfd_peer_tx_cmd, | |
321 | "transmit-interval (10-60000)$interval", | |
322 | "Configure peer transmit interval\n" | |
323 | "Configure peer transmit interval value in milliseconds\n") | |
324 | { | |
8a676ce6 RZ |
325 | char value[32]; |
326 | ||
327 | snprintf(value, sizeof(value), "%ld", interval * 1000); | |
adc26455 | 328 | nb_cli_enqueue_change(vty, "./desired-transmission-interval", |
8a676ce6 RZ |
329 | NB_OP_MODIFY, value); |
330 | ||
adc26455 RZ |
331 | return nb_cli_apply_changes(vty, NULL); |
332 | } | |
333 | ||
0287a64a RZ |
334 | void bfd_cli_show_tx(struct vty *vty, struct lyd_node *dnode, |
335 | bool show_defaults) | |
336 | { | |
8a676ce6 RZ |
337 | uint32_t value; |
338 | ||
0287a64a RZ |
339 | if (show_defaults) |
340 | vty_out(vty, " transmit-interval %d\n", | |
341 | BFD_DEFDESIREDMINTX); | |
8a676ce6 RZ |
342 | else { |
343 | value = yang_dnode_get_uint32(dnode, NULL); | |
344 | vty_out(vty, " transmit-interval %" PRIu32 "\n", value / 1000); | |
345 | } | |
0287a64a RZ |
346 | } |
347 | ||
adc26455 RZ |
348 | DEFPY( |
349 | bfd_peer_echo, bfd_peer_echo_cmd, | |
350 | "[no] echo-mode", | |
351 | NO_STR | |
352 | "Configure echo mode\n") | |
353 | { | |
354 | nb_cli_enqueue_change(vty, "./echo-mode", NB_OP_MODIFY, | |
355 | no ? "false" : "true"); | |
356 | return nb_cli_apply_changes(vty, NULL); | |
357 | } | |
358 | ||
0287a64a RZ |
359 | void bfd_cli_show_echo(struct vty *vty, struct lyd_node *dnode, |
360 | bool show_defaults) | |
361 | { | |
362 | if (show_defaults) | |
363 | vty_out(vty, " no echo-mode\n"); | |
364 | else | |
365 | vty_out(vty, " %secho-mode\n", | |
366 | yang_dnode_get_bool(dnode, NULL) ? "" : "no "); | |
367 | } | |
368 | ||
adc26455 RZ |
369 | DEFPY( |
370 | bfd_peer_echo_interval, bfd_peer_echo_interval_cmd, | |
371 | "echo-interval (10-60000)$interval", | |
372 | "Configure peer echo interval\n" | |
373 | "Configure peer echo interval value in milliseconds\n") | |
374 | { | |
8a676ce6 RZ |
375 | char value[32]; |
376 | ||
377 | snprintf(value, sizeof(value), "%ld", interval * 1000); | |
adc26455 | 378 | nb_cli_enqueue_change(vty, "./desired-echo-transmission-interval", |
8a676ce6 RZ |
379 | NB_OP_MODIFY, value); |
380 | ||
adc26455 RZ |
381 | return nb_cli_apply_changes(vty, NULL); |
382 | } | |
383 | ||
0287a64a RZ |
384 | void bfd_cli_show_echo_interval(struct vty *vty, struct lyd_node *dnode, |
385 | bool show_defaults) | |
386 | { | |
8a676ce6 RZ |
387 | uint32_t value; |
388 | ||
0287a64a RZ |
389 | if (show_defaults) |
390 | vty_out(vty, " echo-interval %d\n", | |
391 | BFD_DEF_REQ_MIN_ECHO); | |
8a676ce6 RZ |
392 | else { |
393 | value = yang_dnode_get_uint32(dnode, NULL); | |
394 | vty_out(vty, " echo-interval %" PRIu32 "\n", value / 1000); | |
395 | } | |
0287a64a RZ |
396 | } |
397 | ||
adc26455 RZ |
398 | void |
399 | bfdd_cli_init(void) | |
400 | { | |
fdf8ac87 | 401 | install_element(CONFIG_NODE, &bfd_enter_cmd); |
2a573ff6 RZ |
402 | install_element(CONFIG_NODE, &bfd_config_reset_cmd); |
403 | ||
adc26455 RZ |
404 | install_element(BFD_NODE, &bfd_peer_enter_cmd); |
405 | install_element(BFD_NODE, &bfd_no_peer_cmd); | |
406 | ||
407 | install_element(BFD_PEER_NODE, &bfd_peer_shutdown_cmd); | |
408 | install_element(BFD_PEER_NODE, &bfd_peer_mult_cmd); | |
409 | install_element(BFD_PEER_NODE, &bfd_peer_rx_cmd); | |
410 | install_element(BFD_PEER_NODE, &bfd_peer_tx_cmd); | |
411 | install_element(BFD_PEER_NODE, &bfd_peer_echo_cmd); | |
412 | install_element(BFD_PEER_NODE, &bfd_peer_echo_interval_cmd); | |
413 | } |