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b72ede27 FL |
1 | /* |
2 | * VRF functions. | |
3 | * Copyright (C) 2014 6WIND S.A. | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published | |
9 | * by the Free Software Foundation; either version 2, or (at your | |
10 | * option) any later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
b72ede27 FL |
20 | */ |
21 | ||
22 | #include <zebra.h> | |
23 | ||
6a69b354 | 24 | #include "if.h" |
b72ede27 | 25 | #include "vrf.h" |
7922fc65 | 26 | #include "vrf_int.h" |
b72ede27 FL |
27 | #include "prefix.h" |
28 | #include "table.h" | |
29 | #include "log.h" | |
30 | #include "memory.h" | |
19dc275e DS |
31 | #include "command.h" |
32 | ||
d62a17ae | 33 | DEFINE_MTYPE_STATIC(LIB, VRF, "VRF") |
4a1ab8e4 DL |
34 | DEFINE_MTYPE_STATIC(LIB, VRF_BITMAP, "VRF bit-map") |
35 | ||
e80e7cce DL |
36 | DEFINE_QOBJ_TYPE(vrf) |
37 | ||
d62a17ae | 38 | static __inline int vrf_id_compare(const struct vrf *, const struct vrf *); |
39 | static __inline int vrf_name_compare(const struct vrf *, const struct vrf *); | |
1a1a7065 | 40 | |
d62a17ae | 41 | RB_GENERATE(vrf_id_head, vrf, id_entry, vrf_id_compare); |
42 | RB_GENERATE(vrf_name_head, vrf, name_entry, vrf_name_compare); | |
1a1a7065 | 43 | |
d62a17ae | 44 | struct vrf_id_head vrfs_by_id = RB_INITIALIZER(&vrfs_by_id); |
45 | struct vrf_name_head vrfs_by_name = RB_INITIALIZER(&vrfs_by_name); | |
1a1a7065 | 46 | |
19dc275e DS |
47 | /* |
48 | * Turn on/off debug code | |
49 | * for vrf. | |
50 | */ | |
51 | int debug_vrf = 0; | |
b72ede27 | 52 | |
b72ede27 | 53 | /* Holding VRF hooks */ |
d62a17ae | 54 | struct vrf_master { |
55 | int (*vrf_new_hook)(struct vrf *); | |
56 | int (*vrf_delete_hook)(struct vrf *); | |
57 | int (*vrf_enable_hook)(struct vrf *); | |
58 | int (*vrf_disable_hook)(struct vrf *); | |
59 | } vrf_master = { | |
60 | 0, | |
61 | }; | |
b72ede27 | 62 | |
d62a17ae | 63 | static int vrf_is_enabled(struct vrf *vrf); |
64 | static void vrf_disable(struct vrf *vrf); | |
e5bf3e1e | 65 | |
216b18ef | 66 | /* VRF list existance check by name. */ |
d62a17ae | 67 | struct vrf *vrf_lookup_by_name(const char *name) |
216b18ef | 68 | { |
d62a17ae | 69 | struct vrf vrf; |
70 | strlcpy(vrf.name, name, sizeof(vrf.name)); | |
71 | return (RB_FIND(vrf_name_head, &vrfs_by_name, &vrf)); | |
216b18ef | 72 | } |
216b18ef | 73 | |
d62a17ae | 74 | static __inline int vrf_id_compare(const struct vrf *a, const struct vrf *b) |
b72ede27 | 75 | { |
d62a17ae | 76 | return (a->vrf_id - b->vrf_id); |
216b18ef DS |
77 | } |
78 | ||
d62a17ae | 79 | static int vrf_name_compare(const struct vrf *a, const struct vrf *b) |
b72ede27 | 80 | { |
d62a17ae | 81 | return strcmp(a->name, b->name); |
b72ede27 FL |
82 | } |
83 | ||
216b18ef | 84 | /* Get a VRF. If not found, create one. |
34f8e6af DS |
85 | * Arg: |
86 | * name - The name of the vrf. May be NULL if unknown. | |
87 | * vrf_id - The vrf_id of the vrf. May be VRF_UNKNOWN if unknown | |
216b18ef | 88 | * Description: Please note that this routine can be called with just the name |
34f8e6af DS |
89 | * and 0 vrf-id |
90 | */ | |
d62a17ae | 91 | struct vrf *vrf_get(vrf_id_t vrf_id, const char *name) |
92 | { | |
93 | struct vrf *vrf = NULL; | |
94 | int new = 0; | |
95 | ||
96 | if (debug_vrf) | |
97 | zlog_debug("VRF_GET: %s(%d)", name, vrf_id); | |
98 | ||
99 | /* Nothing to see, move along here */ | |
100 | if (!name && vrf_id == VRF_UNKNOWN) | |
101 | return NULL; | |
102 | ||
103 | /* Try to find VRF both by ID and name */ | |
104 | if (vrf_id != VRF_UNKNOWN) | |
105 | vrf = vrf_lookup_by_id(vrf_id); | |
106 | if (!vrf && name) | |
107 | vrf = vrf_lookup_by_name(name); | |
108 | ||
109 | if (vrf == NULL) { | |
110 | vrf = XCALLOC(MTYPE_VRF, sizeof(struct vrf)); | |
111 | vrf->vrf_id = VRF_UNKNOWN; | |
f4e14fdb | 112 | RB_INIT(if_name_head, &vrf->ifaces_by_name); |
ff880b78 | 113 | RB_INIT(if_index_head, &vrf->ifaces_by_index); |
d62a17ae | 114 | QOBJ_REG(vrf, vrf); |
115 | new = 1; | |
116 | ||
117 | if (debug_vrf) | |
118 | zlog_debug("VRF(%u) %s is created.", vrf_id, | |
119 | (name) ? name : "(NULL)"); | |
120 | } | |
121 | ||
122 | /* Set identifier */ | |
123 | if (vrf_id != VRF_UNKNOWN && vrf->vrf_id == VRF_UNKNOWN) { | |
124 | vrf->vrf_id = vrf_id; | |
125 | RB_INSERT(vrf_id_head, &vrfs_by_id, vrf); | |
126 | } | |
127 | ||
128 | /* Set name */ | |
129 | if (name && vrf->name[0] != '\0' && strcmp(name, vrf->name)) { | |
130 | RB_REMOVE(vrf_name_head, &vrfs_by_name, vrf); | |
131 | strlcpy(vrf->name, name, sizeof(vrf->name)); | |
132 | RB_INSERT(vrf_name_head, &vrfs_by_name, vrf); | |
133 | } else if (name && vrf->name[0] == '\0') { | |
134 | strlcpy(vrf->name, name, sizeof(vrf->name)); | |
135 | RB_INSERT(vrf_name_head, &vrfs_by_name, vrf); | |
136 | } | |
137 | ||
138 | if (new &&vrf_master.vrf_new_hook) | |
139 | (*vrf_master.vrf_new_hook)(vrf); | |
140 | ||
141 | return vrf; | |
b72ede27 FL |
142 | } |
143 | ||
144 | /* Delete a VRF. This is called in vrf_terminate(). */ | |
d62a17ae | 145 | void vrf_delete(struct vrf *vrf) |
b72ede27 | 146 | { |
d62a17ae | 147 | if (debug_vrf) |
148 | zlog_debug("VRF %u is to be deleted.", vrf->vrf_id); | |
b72ede27 | 149 | |
d62a17ae | 150 | if (vrf_is_enabled(vrf)) |
151 | vrf_disable(vrf); | |
e5bf3e1e | 152 | |
d62a17ae | 153 | if (vrf_master.vrf_delete_hook) |
154 | (*vrf_master.vrf_delete_hook)(vrf); | |
216b18ef | 155 | |
d62a17ae | 156 | QOBJ_UNREG(vrf); |
f4e14fdb | 157 | if_terminate(vrf); |
b72ede27 | 158 | |
d62a17ae | 159 | if (vrf->vrf_id != VRF_UNKNOWN) |
160 | RB_REMOVE(vrf_id_head, &vrfs_by_id, vrf); | |
161 | if (vrf->name[0] != '\0') | |
162 | RB_REMOVE(vrf_name_head, &vrfs_by_name, vrf); | |
b72ede27 | 163 | |
d62a17ae | 164 | XFREE(MTYPE_VRF, vrf); |
b72ede27 FL |
165 | } |
166 | ||
167 | /* Look up a VRF by identifier. */ | |
d62a17ae | 168 | struct vrf *vrf_lookup_by_id(vrf_id_t vrf_id) |
b72ede27 | 169 | { |
d62a17ae | 170 | struct vrf vrf; |
171 | vrf.vrf_id = vrf_id; | |
172 | return (RB_FIND(vrf_id_head, &vrfs_by_id, &vrf)); | |
b72ede27 FL |
173 | } |
174 | ||
e5bf3e1e | 175 | /* |
05e8e11e | 176 | * Check whether the VRF is enabled. |
e5bf3e1e | 177 | */ |
d62a17ae | 178 | static int vrf_is_enabled(struct vrf *vrf) |
e5bf3e1e | 179 | { |
d62a17ae | 180 | return vrf && CHECK_FLAG(vrf->status, VRF_ACTIVE); |
e5bf3e1e FL |
181 | } |
182 | ||
183 | /* | |
184 | * Enable a VRF - that is, let the VRF be ready to use. | |
185 | * The VRF_ENABLE_HOOK callback will be called to inform | |
186 | * that they can allocate resources in this VRF. | |
187 | * | |
188 | * RETURN: 1 - enabled successfully; otherwise, 0. | |
189 | */ | |
d62a17ae | 190 | int vrf_enable(struct vrf *vrf) |
e5bf3e1e | 191 | { |
d62a17ae | 192 | if (vrf_is_enabled(vrf)) |
193 | return 1; | |
05e8e11e | 194 | |
d62a17ae | 195 | if (debug_vrf) |
196 | zlog_debug("VRF %u is enabled.", vrf->vrf_id); | |
e5bf3e1e | 197 | |
d62a17ae | 198 | SET_FLAG(vrf->status, VRF_ACTIVE); |
e5bf3e1e | 199 | |
d62a17ae | 200 | if (vrf_master.vrf_enable_hook) |
201 | (*vrf_master.vrf_enable_hook)(vrf); | |
e5bf3e1e | 202 | |
d62a17ae | 203 | return 1; |
e5bf3e1e FL |
204 | } |
205 | ||
206 | /* | |
207 | * Disable a VRF - that is, let the VRF be unusable. | |
208 | * The VRF_DELETE_HOOK callback will be called to inform | |
209 | * that they must release the resources in the VRF. | |
210 | */ | |
d62a17ae | 211 | static void vrf_disable(struct vrf *vrf) |
e5bf3e1e | 212 | { |
d62a17ae | 213 | if (!vrf_is_enabled(vrf)) |
214 | return; | |
a647bfa8 | 215 | |
d62a17ae | 216 | UNSET_FLAG(vrf->status, VRF_ACTIVE); |
e5bf3e1e | 217 | |
d62a17ae | 218 | if (debug_vrf) |
219 | zlog_debug("VRF %u is to be disabled.", vrf->vrf_id); | |
e5bf3e1e | 220 | |
d62a17ae | 221 | /* Till now, nothing to be done for the default VRF. */ |
222 | // Pending: see why this statement. | |
e74f14fc | 223 | |
d62a17ae | 224 | if (vrf_master.vrf_disable_hook) |
225 | (*vrf_master.vrf_disable_hook)(vrf); | |
e5bf3e1e FL |
226 | } |
227 | ||
b7cfce93 MK |
228 | const char *vrf_id_to_name(vrf_id_t vrf_id) |
229 | { | |
230 | struct vrf *vrf; | |
231 | ||
232 | vrf = vrf_lookup_by_id(vrf_id); | |
233 | if (vrf) | |
234 | return vrf->name; | |
235 | ||
181c08c6 | 236 | return "n/a"; |
b7cfce93 MK |
237 | } |
238 | ||
d62a17ae | 239 | vrf_id_t vrf_name_to_id(const char *name) |
216b18ef | 240 | { |
d62a17ae | 241 | struct vrf *vrf; |
242 | vrf_id_t vrf_id = VRF_DEFAULT; // Pending: need a way to return invalid | |
243 | // id/ routine not used. | |
216b18ef | 244 | |
d62a17ae | 245 | vrf = vrf_lookup_by_name(name); |
246 | if (vrf) | |
247 | vrf_id = vrf->vrf_id; | |
216b18ef | 248 | |
d62a17ae | 249 | return vrf_id; |
216b18ef DS |
250 | } |
251 | ||
b72ede27 | 252 | /* Get the data pointer of the specified VRF. If not found, create one. */ |
d62a17ae | 253 | void *vrf_info_get(vrf_id_t vrf_id) |
b72ede27 | 254 | { |
d62a17ae | 255 | struct vrf *vrf = vrf_get(vrf_id, NULL); |
256 | return vrf->info; | |
b72ede27 FL |
257 | } |
258 | ||
259 | /* Look up the data pointer of the specified VRF. */ | |
d62a17ae | 260 | void *vrf_info_lookup(vrf_id_t vrf_id) |
b72ede27 | 261 | { |
d62a17ae | 262 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
263 | return vrf ? vrf->info : NULL; | |
b72ede27 FL |
264 | } |
265 | ||
7076bb2f FL |
266 | /* |
267 | * VRF bit-map | |
268 | */ | |
269 | ||
270 | #define VRF_BITMAP_NUM_OF_GROUPS 8 | |
d62a17ae | 271 | #define VRF_BITMAP_NUM_OF_BITS_IN_GROUP (UINT16_MAX / VRF_BITMAP_NUM_OF_GROUPS) |
272 | #define VRF_BITMAP_NUM_OF_BYTES_IN_GROUP \ | |
273 | (VRF_BITMAP_NUM_OF_BITS_IN_GROUP / CHAR_BIT + 1) /* +1 for ensure */ | |
274 | ||
275 | #define VRF_BITMAP_GROUP(_id) ((_id) / VRF_BITMAP_NUM_OF_BITS_IN_GROUP) | |
276 | #define VRF_BITMAP_BIT_OFFSET(_id) ((_id) % VRF_BITMAP_NUM_OF_BITS_IN_GROUP) | |
277 | ||
278 | #define VRF_BITMAP_INDEX_IN_GROUP(_bit_offset) ((_bit_offset) / CHAR_BIT) | |
279 | #define VRF_BITMAP_FLAG(_bit_offset) (((u_char)1) << ((_bit_offset) % CHAR_BIT)) | |
280 | ||
281 | struct vrf_bitmap { | |
282 | u_char *groups[VRF_BITMAP_NUM_OF_GROUPS]; | |
7076bb2f FL |
283 | }; |
284 | ||
d62a17ae | 285 | vrf_bitmap_t vrf_bitmap_init(void) |
7076bb2f | 286 | { |
d62a17ae | 287 | return (vrf_bitmap_t)XCALLOC(MTYPE_VRF_BITMAP, |
288 | sizeof(struct vrf_bitmap)); | |
7076bb2f FL |
289 | } |
290 | ||
d62a17ae | 291 | void vrf_bitmap_free(vrf_bitmap_t bmap) |
7076bb2f | 292 | { |
d62a17ae | 293 | struct vrf_bitmap *bm = (struct vrf_bitmap *)bmap; |
294 | int i; | |
7076bb2f | 295 | |
d62a17ae | 296 | if (bmap == VRF_BITMAP_NULL) |
297 | return; | |
7076bb2f | 298 | |
d62a17ae | 299 | for (i = 0; i < VRF_BITMAP_NUM_OF_GROUPS; i++) |
300 | if (bm->groups[i]) | |
301 | XFREE(MTYPE_VRF_BITMAP, bm->groups[i]); | |
7076bb2f | 302 | |
d62a17ae | 303 | XFREE(MTYPE_VRF_BITMAP, bm); |
7076bb2f FL |
304 | } |
305 | ||
d62a17ae | 306 | void vrf_bitmap_set(vrf_bitmap_t bmap, vrf_id_t vrf_id) |
7076bb2f | 307 | { |
d62a17ae | 308 | struct vrf_bitmap *bm = (struct vrf_bitmap *)bmap; |
309 | u_char group = VRF_BITMAP_GROUP(vrf_id); | |
310 | u_char offset = VRF_BITMAP_BIT_OFFSET(vrf_id); | |
7076bb2f | 311 | |
d62a17ae | 312 | if (bmap == VRF_BITMAP_NULL || vrf_id == VRF_UNKNOWN) |
313 | return; | |
7076bb2f | 314 | |
d62a17ae | 315 | if (bm->groups[group] == NULL) |
316 | bm->groups[group] = XCALLOC(MTYPE_VRF_BITMAP, | |
317 | VRF_BITMAP_NUM_OF_BYTES_IN_GROUP); | |
7076bb2f | 318 | |
d62a17ae | 319 | SET_FLAG(bm->groups[group][VRF_BITMAP_INDEX_IN_GROUP(offset)], |
320 | VRF_BITMAP_FLAG(offset)); | |
7076bb2f FL |
321 | } |
322 | ||
d62a17ae | 323 | void vrf_bitmap_unset(vrf_bitmap_t bmap, vrf_id_t vrf_id) |
7076bb2f | 324 | { |
d62a17ae | 325 | struct vrf_bitmap *bm = (struct vrf_bitmap *)bmap; |
326 | u_char group = VRF_BITMAP_GROUP(vrf_id); | |
327 | u_char offset = VRF_BITMAP_BIT_OFFSET(vrf_id); | |
7076bb2f | 328 | |
d62a17ae | 329 | if (bmap == VRF_BITMAP_NULL || vrf_id == VRF_UNKNOWN |
330 | || bm->groups[group] == NULL) | |
331 | return; | |
7076bb2f | 332 | |
d62a17ae | 333 | UNSET_FLAG(bm->groups[group][VRF_BITMAP_INDEX_IN_GROUP(offset)], |
334 | VRF_BITMAP_FLAG(offset)); | |
7076bb2f FL |
335 | } |
336 | ||
d62a17ae | 337 | int vrf_bitmap_check(vrf_bitmap_t bmap, vrf_id_t vrf_id) |
7076bb2f | 338 | { |
d62a17ae | 339 | struct vrf_bitmap *bm = (struct vrf_bitmap *)bmap; |
340 | u_char group = VRF_BITMAP_GROUP(vrf_id); | |
341 | u_char offset = VRF_BITMAP_BIT_OFFSET(vrf_id); | |
7076bb2f | 342 | |
d62a17ae | 343 | if (bmap == VRF_BITMAP_NULL || vrf_id == VRF_UNKNOWN |
344 | || bm->groups[group] == NULL) | |
345 | return 0; | |
7076bb2f | 346 | |
d62a17ae | 347 | return CHECK_FLAG(bm->groups[group][VRF_BITMAP_INDEX_IN_GROUP(offset)], |
348 | VRF_BITMAP_FLAG(offset)) | |
349 | ? 1 | |
350 | : 0; | |
7076bb2f FL |
351 | } |
352 | ||
d62a17ae | 353 | static void vrf_autocomplete(vector comps, struct cmd_token *token) |
d617d5fe | 354 | { |
d62a17ae | 355 | struct vrf *vrf = NULL; |
d617d5fe | 356 | |
a2addae8 | 357 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { |
d62a17ae | 358 | if (vrf->vrf_id != 0) |
359 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, vrf->name)); | |
360 | } | |
d617d5fe DS |
361 | } |
362 | ||
363 | static const struct cmd_variable_handler vrf_var_handlers[] = { | |
d62a17ae | 364 | { |
365 | .varname = "vrf", | |
366 | .completions = vrf_autocomplete, | |
367 | }, | |
368 | {.completions = NULL}, | |
d617d5fe DS |
369 | }; |
370 | ||
b72ede27 | 371 | /* Initialize VRF module. */ |
d62a17ae | 372 | void vrf_init(int (*create)(struct vrf *), int (*enable)(struct vrf *), |
373 | int (*disable)(struct vrf *), int (*delete)(struct vrf *)) | |
374 | { | |
375 | struct vrf *default_vrf; | |
376 | ||
377 | if (debug_vrf) | |
378 | zlog_debug("%s: Initializing VRF subsystem", | |
379 | __PRETTY_FUNCTION__); | |
380 | ||
381 | vrf_master.vrf_new_hook = create; | |
382 | vrf_master.vrf_enable_hook = enable; | |
383 | vrf_master.vrf_disable_hook = disable; | |
384 | vrf_master.vrf_delete_hook = delete; | |
385 | ||
386 | /* The default VRF always exists. */ | |
387 | default_vrf = vrf_get(VRF_DEFAULT, VRF_DEFAULT_NAME); | |
388 | if (!default_vrf) { | |
389 | zlog_err("vrf_init: failed to create the default VRF!"); | |
390 | exit(1); | |
391 | } | |
392 | ||
393 | /* Enable the default VRF. */ | |
394 | if (!vrf_enable(default_vrf)) { | |
395 | zlog_err("vrf_init: failed to enable the default VRF!"); | |
396 | exit(1); | |
397 | } | |
398 | ||
399 | cmd_variable_handler_register(vrf_var_handlers); | |
b72ede27 FL |
400 | } |
401 | ||
402 | /* Terminate VRF module. */ | |
d62a17ae | 403 | void vrf_terminate(void) |
b72ede27 | 404 | { |
d62a17ae | 405 | struct vrf *vrf; |
b72ede27 | 406 | |
d62a17ae | 407 | if (debug_vrf) |
408 | zlog_debug("%s: Shutting down vrf subsystem", | |
409 | __PRETTY_FUNCTION__); | |
19dc275e | 410 | |
d62a17ae | 411 | while ((vrf = RB_ROOT(vrf_id_head, &vrfs_by_id)) != NULL) |
412 | vrf_delete(vrf); | |
413 | while ((vrf = RB_ROOT(vrf_name_head, &vrfs_by_name)) != NULL) | |
414 | vrf_delete(vrf); | |
b72ede27 FL |
415 | } |
416 | ||
e5bf3e1e | 417 | /* Create a socket for the VRF. */ |
d62a17ae | 418 | int vrf_socket(int domain, int type, int protocol, vrf_id_t vrf_id) |
e5bf3e1e | 419 | { |
d62a17ae | 420 | int ret = -1; |
e5bf3e1e | 421 | |
d62a17ae | 422 | ret = socket(domain, type, protocol); |
e5bf3e1e | 423 | |
d62a17ae | 424 | return ret; |
e5bf3e1e FL |
425 | } |
426 | ||
f30c50b9 | 427 | /* vrf CLI commands */ |
505e5056 | 428 | DEFUN_NOSH (vrf, |
f30c50b9 | 429 | vrf_cmd, |
d7a75a6c | 430 | "vrf NAME", |
f30c50b9 RW |
431 | "Select a VRF to configure\n" |
432 | "VRF's name\n") | |
433 | { | |
d62a17ae | 434 | int idx_name = 1; |
435 | const char *vrfname = argv[idx_name]->arg; | |
436 | struct vrf *vrfp; | |
f30c50b9 | 437 | |
d62a17ae | 438 | if (strlen(vrfname) > VRF_NAMSIZ) { |
439 | vty_out(vty, | |
440 | "%% VRF name %s is invalid: length exceeds " | |
441 | "%d characters\n", | |
442 | vrfname, VRF_NAMSIZ); | |
443 | return CMD_WARNING_CONFIG_FAILED; | |
444 | } | |
f30c50b9 | 445 | |
d62a17ae | 446 | vrfp = vrf_get(VRF_UNKNOWN, vrfname); |
f30c50b9 | 447 | |
d62a17ae | 448 | VTY_PUSH_CONTEXT(VRF_NODE, vrfp); |
f30c50b9 | 449 | |
d62a17ae | 450 | return CMD_SUCCESS; |
f30c50b9 RW |
451 | } |
452 | ||
453 | DEFUN_NOSH (no_vrf, | |
454 | no_vrf_cmd, | |
d7a75a6c | 455 | "no vrf NAME", |
f30c50b9 RW |
456 | NO_STR |
457 | "Delete a pseudo VRF's configuration\n" | |
458 | "VRF's name\n") | |
459 | { | |
d62a17ae | 460 | const char *vrfname = argv[2]->arg; |
53dc2b05 | 461 | |
d62a17ae | 462 | struct vrf *vrfp; |
f30c50b9 | 463 | |
d62a17ae | 464 | vrfp = vrf_lookup_by_name(vrfname); |
f30c50b9 | 465 | |
d62a17ae | 466 | if (vrfp == NULL) { |
467 | vty_out(vty, "%% VRF %s does not exist\n", vrfname); | |
468 | return CMD_WARNING_CONFIG_FAILED; | |
469 | } | |
f30c50b9 | 470 | |
d62a17ae | 471 | if (CHECK_FLAG(vrfp->status, VRF_ACTIVE)) { |
472 | vty_out(vty, "%% Only inactive VRFs can be deleted\n"); | |
473 | return CMD_WARNING_CONFIG_FAILED; | |
474 | } | |
f30c50b9 | 475 | |
d62a17ae | 476 | vrf_delete(vrfp); |
f30c50b9 | 477 | |
d62a17ae | 478 | return CMD_SUCCESS; |
f30c50b9 RW |
479 | } |
480 | ||
53dc2b05 | 481 | |
d62a17ae | 482 | struct cmd_node vrf_node = {VRF_NODE, "%s(config-vrf)# ", 1}; |
7ddcfca4 | 483 | |
19dc275e DS |
484 | /* |
485 | * Debug CLI for vrf's | |
486 | */ | |
487 | DEFUN (vrf_debug, | |
488 | vrf_debug_cmd, | |
489 | "debug vrf", | |
490 | DEBUG_STR | |
491 | "VRF Debugging\n") | |
492 | { | |
d62a17ae | 493 | debug_vrf = 1; |
19dc275e | 494 | |
d62a17ae | 495 | return CMD_SUCCESS; |
19dc275e DS |
496 | } |
497 | ||
498 | DEFUN (no_vrf_debug, | |
499 | no_vrf_debug_cmd, | |
500 | "no debug vrf", | |
501 | NO_STR | |
502 | DEBUG_STR | |
503 | "VRF Debugging\n") | |
504 | { | |
d62a17ae | 505 | debug_vrf = 0; |
19dc275e | 506 | |
d62a17ae | 507 | return CMD_SUCCESS; |
19dc275e DS |
508 | } |
509 | ||
d62a17ae | 510 | static int vrf_write_host(struct vty *vty) |
19dc275e | 511 | { |
d62a17ae | 512 | if (debug_vrf) |
513 | vty_out(vty, "debug vrf\n"); | |
19dc275e | 514 | |
d62a17ae | 515 | return 1; |
19dc275e DS |
516 | } |
517 | ||
d62a17ae | 518 | static struct cmd_node vrf_debug_node = {VRF_DEBUG_NODE, "", 1}; |
19dc275e | 519 | |
d62a17ae | 520 | void vrf_install_commands(void) |
19dc275e | 521 | { |
d62a17ae | 522 | install_node(&vrf_debug_node, vrf_write_host); |
19dc275e | 523 | |
d62a17ae | 524 | install_element(CONFIG_NODE, &vrf_debug_cmd); |
525 | install_element(ENABLE_NODE, &vrf_debug_cmd); | |
526 | install_element(CONFIG_NODE, &no_vrf_debug_cmd); | |
527 | install_element(ENABLE_NODE, &no_vrf_debug_cmd); | |
19dc275e | 528 | } |
53dc2b05 | 529 | |
d62a17ae | 530 | void vrf_cmd_init(int (*writefunc)(struct vty *vty)) |
7ddcfca4 | 531 | { |
d62a17ae | 532 | install_element(CONFIG_NODE, &vrf_cmd); |
533 | install_element(CONFIG_NODE, &no_vrf_cmd); | |
534 | install_node(&vrf_node, writefunc); | |
535 | install_default(VRF_NODE); | |
19dc275e | 536 | } |