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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; | |
112 | if_init(&vrf->iflist); | |
113 | QOBJ_REG(vrf, vrf); | |
114 | new = 1; | |
115 | ||
116 | if (debug_vrf) | |
117 | zlog_debug("VRF(%u) %s is created.", vrf_id, | |
118 | (name) ? name : "(NULL)"); | |
119 | } | |
120 | ||
121 | /* Set identifier */ | |
122 | if (vrf_id != VRF_UNKNOWN && vrf->vrf_id == VRF_UNKNOWN) { | |
123 | vrf->vrf_id = vrf_id; | |
124 | RB_INSERT(vrf_id_head, &vrfs_by_id, vrf); | |
125 | } | |
126 | ||
127 | /* Set name */ | |
128 | if (name && vrf->name[0] != '\0' && strcmp(name, vrf->name)) { | |
129 | RB_REMOVE(vrf_name_head, &vrfs_by_name, vrf); | |
130 | strlcpy(vrf->name, name, sizeof(vrf->name)); | |
131 | RB_INSERT(vrf_name_head, &vrfs_by_name, vrf); | |
132 | } else if (name && vrf->name[0] == '\0') { | |
133 | strlcpy(vrf->name, name, sizeof(vrf->name)); | |
134 | RB_INSERT(vrf_name_head, &vrfs_by_name, vrf); | |
135 | } | |
136 | ||
137 | if (new &&vrf_master.vrf_new_hook) | |
138 | (*vrf_master.vrf_new_hook)(vrf); | |
139 | ||
140 | return vrf; | |
b72ede27 FL |
141 | } |
142 | ||
143 | /* Delete a VRF. This is called in vrf_terminate(). */ | |
d62a17ae | 144 | void vrf_delete(struct vrf *vrf) |
b72ede27 | 145 | { |
d62a17ae | 146 | if (debug_vrf) |
147 | zlog_debug("VRF %u is to be deleted.", vrf->vrf_id); | |
b72ede27 | 148 | |
d62a17ae | 149 | if (vrf_is_enabled(vrf)) |
150 | vrf_disable(vrf); | |
e5bf3e1e | 151 | |
d62a17ae | 152 | if (vrf_master.vrf_delete_hook) |
153 | (*vrf_master.vrf_delete_hook)(vrf); | |
216b18ef | 154 | |
d62a17ae | 155 | QOBJ_UNREG(vrf); |
156 | if_terminate(&vrf->iflist); | |
b72ede27 | 157 | |
d62a17ae | 158 | if (vrf->vrf_id != VRF_UNKNOWN) |
159 | RB_REMOVE(vrf_id_head, &vrfs_by_id, vrf); | |
160 | if (vrf->name[0] != '\0') | |
161 | RB_REMOVE(vrf_name_head, &vrfs_by_name, vrf); | |
b72ede27 | 162 | |
d62a17ae | 163 | XFREE(MTYPE_VRF, vrf); |
b72ede27 FL |
164 | } |
165 | ||
166 | /* Look up a VRF by identifier. */ | |
d62a17ae | 167 | struct vrf *vrf_lookup_by_id(vrf_id_t vrf_id) |
b72ede27 | 168 | { |
d62a17ae | 169 | struct vrf vrf; |
170 | vrf.vrf_id = vrf_id; | |
171 | return (RB_FIND(vrf_id_head, &vrfs_by_id, &vrf)); | |
b72ede27 FL |
172 | } |
173 | ||
e5bf3e1e | 174 | /* |
05e8e11e | 175 | * Check whether the VRF is enabled. |
e5bf3e1e | 176 | */ |
d62a17ae | 177 | static int vrf_is_enabled(struct vrf *vrf) |
e5bf3e1e | 178 | { |
d62a17ae | 179 | return vrf && CHECK_FLAG(vrf->status, VRF_ACTIVE); |
e5bf3e1e FL |
180 | } |
181 | ||
182 | /* | |
183 | * Enable a VRF - that is, let the VRF be ready to use. | |
184 | * The VRF_ENABLE_HOOK callback will be called to inform | |
185 | * that they can allocate resources in this VRF. | |
186 | * | |
187 | * RETURN: 1 - enabled successfully; otherwise, 0. | |
188 | */ | |
d62a17ae | 189 | int vrf_enable(struct vrf *vrf) |
e5bf3e1e | 190 | { |
d62a17ae | 191 | if (vrf_is_enabled(vrf)) |
192 | return 1; | |
05e8e11e | 193 | |
d62a17ae | 194 | if (debug_vrf) |
195 | zlog_debug("VRF %u is enabled.", vrf->vrf_id); | |
e5bf3e1e | 196 | |
d62a17ae | 197 | SET_FLAG(vrf->status, VRF_ACTIVE); |
e5bf3e1e | 198 | |
d62a17ae | 199 | if (vrf_master.vrf_enable_hook) |
200 | (*vrf_master.vrf_enable_hook)(vrf); | |
e5bf3e1e | 201 | |
d62a17ae | 202 | return 1; |
e5bf3e1e FL |
203 | } |
204 | ||
205 | /* | |
206 | * Disable a VRF - that is, let the VRF be unusable. | |
207 | * The VRF_DELETE_HOOK callback will be called to inform | |
208 | * that they must release the resources in the VRF. | |
209 | */ | |
d62a17ae | 210 | static void vrf_disable(struct vrf *vrf) |
e5bf3e1e | 211 | { |
d62a17ae | 212 | if (!vrf_is_enabled(vrf)) |
213 | return; | |
a647bfa8 | 214 | |
d62a17ae | 215 | UNSET_FLAG(vrf->status, VRF_ACTIVE); |
e5bf3e1e | 216 | |
d62a17ae | 217 | if (debug_vrf) |
218 | zlog_debug("VRF %u is to be disabled.", vrf->vrf_id); | |
e5bf3e1e | 219 | |
d62a17ae | 220 | /* Till now, nothing to be done for the default VRF. */ |
221 | // Pending: see why this statement. | |
e74f14fc | 222 | |
d62a17ae | 223 | if (vrf_master.vrf_disable_hook) |
224 | (*vrf_master.vrf_disable_hook)(vrf); | |
e5bf3e1e FL |
225 | } |
226 | ||
d62a17ae | 227 | vrf_id_t vrf_name_to_id(const char *name) |
216b18ef | 228 | { |
d62a17ae | 229 | struct vrf *vrf; |
230 | vrf_id_t vrf_id = VRF_DEFAULT; // Pending: need a way to return invalid | |
231 | // id/ routine not used. | |
216b18ef | 232 | |
d62a17ae | 233 | vrf = vrf_lookup_by_name(name); |
234 | if (vrf) | |
235 | vrf_id = vrf->vrf_id; | |
216b18ef | 236 | |
d62a17ae | 237 | return vrf_id; |
216b18ef DS |
238 | } |
239 | ||
b72ede27 | 240 | /* Get the data pointer of the specified VRF. If not found, create one. */ |
d62a17ae | 241 | void *vrf_info_get(vrf_id_t vrf_id) |
b72ede27 | 242 | { |
d62a17ae | 243 | struct vrf *vrf = vrf_get(vrf_id, NULL); |
244 | return vrf->info; | |
b72ede27 FL |
245 | } |
246 | ||
247 | /* Look up the data pointer of the specified VRF. */ | |
d62a17ae | 248 | void *vrf_info_lookup(vrf_id_t vrf_id) |
b72ede27 | 249 | { |
d62a17ae | 250 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
251 | return vrf ? vrf->info : NULL; | |
b72ede27 FL |
252 | } |
253 | ||
8736158a | 254 | /* Look up the interface list in a VRF. */ |
d62a17ae | 255 | struct list *vrf_iflist(vrf_id_t vrf_id) |
8736158a | 256 | { |
d62a17ae | 257 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
258 | return vrf ? vrf->iflist : NULL; | |
8736158a FL |
259 | } |
260 | ||
261 | /* Get the interface list of the specified VRF. Create one if not find. */ | |
d62a17ae | 262 | struct list *vrf_iflist_get(vrf_id_t vrf_id) |
8736158a | 263 | { |
d62a17ae | 264 | struct vrf *vrf = vrf_get(vrf_id, NULL); |
265 | return vrf->iflist; | |
8736158a FL |
266 | } |
267 | ||
7076bb2f FL |
268 | /* |
269 | * VRF bit-map | |
270 | */ | |
271 | ||
272 | #define VRF_BITMAP_NUM_OF_GROUPS 8 | |
d62a17ae | 273 | #define VRF_BITMAP_NUM_OF_BITS_IN_GROUP (UINT16_MAX / VRF_BITMAP_NUM_OF_GROUPS) |
274 | #define VRF_BITMAP_NUM_OF_BYTES_IN_GROUP \ | |
275 | (VRF_BITMAP_NUM_OF_BITS_IN_GROUP / CHAR_BIT + 1) /* +1 for ensure */ | |
276 | ||
277 | #define VRF_BITMAP_GROUP(_id) ((_id) / VRF_BITMAP_NUM_OF_BITS_IN_GROUP) | |
278 | #define VRF_BITMAP_BIT_OFFSET(_id) ((_id) % VRF_BITMAP_NUM_OF_BITS_IN_GROUP) | |
279 | ||
280 | #define VRF_BITMAP_INDEX_IN_GROUP(_bit_offset) ((_bit_offset) / CHAR_BIT) | |
281 | #define VRF_BITMAP_FLAG(_bit_offset) (((u_char)1) << ((_bit_offset) % CHAR_BIT)) | |
282 | ||
283 | struct vrf_bitmap { | |
284 | u_char *groups[VRF_BITMAP_NUM_OF_GROUPS]; | |
7076bb2f FL |
285 | }; |
286 | ||
d62a17ae | 287 | vrf_bitmap_t vrf_bitmap_init(void) |
7076bb2f | 288 | { |
d62a17ae | 289 | return (vrf_bitmap_t)XCALLOC(MTYPE_VRF_BITMAP, |
290 | sizeof(struct vrf_bitmap)); | |
7076bb2f FL |
291 | } |
292 | ||
d62a17ae | 293 | void vrf_bitmap_free(vrf_bitmap_t bmap) |
7076bb2f | 294 | { |
d62a17ae | 295 | struct vrf_bitmap *bm = (struct vrf_bitmap *)bmap; |
296 | int i; | |
7076bb2f | 297 | |
d62a17ae | 298 | if (bmap == VRF_BITMAP_NULL) |
299 | return; | |
7076bb2f | 300 | |
d62a17ae | 301 | for (i = 0; i < VRF_BITMAP_NUM_OF_GROUPS; i++) |
302 | if (bm->groups[i]) | |
303 | XFREE(MTYPE_VRF_BITMAP, bm->groups[i]); | |
7076bb2f | 304 | |
d62a17ae | 305 | XFREE(MTYPE_VRF_BITMAP, bm); |
7076bb2f FL |
306 | } |
307 | ||
d62a17ae | 308 | void vrf_bitmap_set(vrf_bitmap_t bmap, vrf_id_t vrf_id) |
7076bb2f | 309 | { |
d62a17ae | 310 | struct vrf_bitmap *bm = (struct vrf_bitmap *)bmap; |
311 | u_char group = VRF_BITMAP_GROUP(vrf_id); | |
312 | u_char offset = VRF_BITMAP_BIT_OFFSET(vrf_id); | |
7076bb2f | 313 | |
d62a17ae | 314 | if (bmap == VRF_BITMAP_NULL || vrf_id == VRF_UNKNOWN) |
315 | return; | |
7076bb2f | 316 | |
d62a17ae | 317 | if (bm->groups[group] == NULL) |
318 | bm->groups[group] = XCALLOC(MTYPE_VRF_BITMAP, | |
319 | VRF_BITMAP_NUM_OF_BYTES_IN_GROUP); | |
7076bb2f | 320 | |
d62a17ae | 321 | SET_FLAG(bm->groups[group][VRF_BITMAP_INDEX_IN_GROUP(offset)], |
322 | VRF_BITMAP_FLAG(offset)); | |
7076bb2f FL |
323 | } |
324 | ||
d62a17ae | 325 | void vrf_bitmap_unset(vrf_bitmap_t bmap, vrf_id_t vrf_id) |
7076bb2f | 326 | { |
d62a17ae | 327 | struct vrf_bitmap *bm = (struct vrf_bitmap *)bmap; |
328 | u_char group = VRF_BITMAP_GROUP(vrf_id); | |
329 | u_char offset = VRF_BITMAP_BIT_OFFSET(vrf_id); | |
7076bb2f | 330 | |
d62a17ae | 331 | if (bmap == VRF_BITMAP_NULL || vrf_id == VRF_UNKNOWN |
332 | || bm->groups[group] == NULL) | |
333 | return; | |
7076bb2f | 334 | |
d62a17ae | 335 | UNSET_FLAG(bm->groups[group][VRF_BITMAP_INDEX_IN_GROUP(offset)], |
336 | VRF_BITMAP_FLAG(offset)); | |
7076bb2f FL |
337 | } |
338 | ||
d62a17ae | 339 | int vrf_bitmap_check(vrf_bitmap_t bmap, vrf_id_t vrf_id) |
7076bb2f | 340 | { |
d62a17ae | 341 | struct vrf_bitmap *bm = (struct vrf_bitmap *)bmap; |
342 | u_char group = VRF_BITMAP_GROUP(vrf_id); | |
343 | u_char offset = VRF_BITMAP_BIT_OFFSET(vrf_id); | |
7076bb2f | 344 | |
d62a17ae | 345 | if (bmap == VRF_BITMAP_NULL || vrf_id == VRF_UNKNOWN |
346 | || bm->groups[group] == NULL) | |
347 | return 0; | |
7076bb2f | 348 | |
d62a17ae | 349 | return CHECK_FLAG(bm->groups[group][VRF_BITMAP_INDEX_IN_GROUP(offset)], |
350 | VRF_BITMAP_FLAG(offset)) | |
351 | ? 1 | |
352 | : 0; | |
7076bb2f FL |
353 | } |
354 | ||
d62a17ae | 355 | static void vrf_autocomplete(vector comps, struct cmd_token *token) |
d617d5fe | 356 | { |
d62a17ae | 357 | struct vrf *vrf = NULL; |
d617d5fe | 358 | |
a2addae8 | 359 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { |
d62a17ae | 360 | if (vrf->vrf_id != 0) |
361 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, vrf->name)); | |
362 | } | |
d617d5fe DS |
363 | } |
364 | ||
365 | static const struct cmd_variable_handler vrf_var_handlers[] = { | |
d62a17ae | 366 | { |
367 | .varname = "vrf", | |
368 | .completions = vrf_autocomplete, | |
369 | }, | |
370 | {.completions = NULL}, | |
d617d5fe DS |
371 | }; |
372 | ||
b72ede27 | 373 | /* Initialize VRF module. */ |
d62a17ae | 374 | void vrf_init(int (*create)(struct vrf *), int (*enable)(struct vrf *), |
375 | int (*disable)(struct vrf *), int (*delete)(struct vrf *)) | |
376 | { | |
377 | struct vrf *default_vrf; | |
378 | ||
379 | if (debug_vrf) | |
380 | zlog_debug("%s: Initializing VRF subsystem", | |
381 | __PRETTY_FUNCTION__); | |
382 | ||
383 | vrf_master.vrf_new_hook = create; | |
384 | vrf_master.vrf_enable_hook = enable; | |
385 | vrf_master.vrf_disable_hook = disable; | |
386 | vrf_master.vrf_delete_hook = delete; | |
387 | ||
388 | /* The default VRF always exists. */ | |
389 | default_vrf = vrf_get(VRF_DEFAULT, VRF_DEFAULT_NAME); | |
390 | if (!default_vrf) { | |
391 | zlog_err("vrf_init: failed to create the default VRF!"); | |
392 | exit(1); | |
393 | } | |
394 | ||
395 | /* Enable the default VRF. */ | |
396 | if (!vrf_enable(default_vrf)) { | |
397 | zlog_err("vrf_init: failed to enable the default VRF!"); | |
398 | exit(1); | |
399 | } | |
400 | ||
401 | cmd_variable_handler_register(vrf_var_handlers); | |
b72ede27 FL |
402 | } |
403 | ||
404 | /* Terminate VRF module. */ | |
d62a17ae | 405 | void vrf_terminate(void) |
b72ede27 | 406 | { |
d62a17ae | 407 | struct vrf *vrf; |
b72ede27 | 408 | |
d62a17ae | 409 | if (debug_vrf) |
410 | zlog_debug("%s: Shutting down vrf subsystem", | |
411 | __PRETTY_FUNCTION__); | |
19dc275e | 412 | |
d62a17ae | 413 | while ((vrf = RB_ROOT(vrf_id_head, &vrfs_by_id)) != NULL) |
414 | vrf_delete(vrf); | |
415 | while ((vrf = RB_ROOT(vrf_name_head, &vrfs_by_name)) != NULL) | |
416 | vrf_delete(vrf); | |
b72ede27 FL |
417 | } |
418 | ||
e5bf3e1e | 419 | /* Create a socket for the VRF. */ |
d62a17ae | 420 | int vrf_socket(int domain, int type, int protocol, vrf_id_t vrf_id) |
e5bf3e1e | 421 | { |
d62a17ae | 422 | int ret = -1; |
e5bf3e1e | 423 | |
d62a17ae | 424 | ret = socket(domain, type, protocol); |
e5bf3e1e | 425 | |
d62a17ae | 426 | return ret; |
e5bf3e1e FL |
427 | } |
428 | ||
f30c50b9 | 429 | /* vrf CLI commands */ |
505e5056 | 430 | DEFUN_NOSH (vrf, |
f30c50b9 | 431 | vrf_cmd, |
d7a75a6c | 432 | "vrf NAME", |
f30c50b9 RW |
433 | "Select a VRF to configure\n" |
434 | "VRF's name\n") | |
435 | { | |
d62a17ae | 436 | int idx_name = 1; |
437 | const char *vrfname = argv[idx_name]->arg; | |
438 | struct vrf *vrfp; | |
f30c50b9 | 439 | |
d62a17ae | 440 | if (strlen(vrfname) > VRF_NAMSIZ) { |
441 | vty_out(vty, | |
442 | "%% VRF name %s is invalid: length exceeds " | |
443 | "%d characters\n", | |
444 | vrfname, VRF_NAMSIZ); | |
445 | return CMD_WARNING_CONFIG_FAILED; | |
446 | } | |
f30c50b9 | 447 | |
d62a17ae | 448 | vrfp = vrf_get(VRF_UNKNOWN, vrfname); |
f30c50b9 | 449 | |
d62a17ae | 450 | VTY_PUSH_CONTEXT(VRF_NODE, vrfp); |
f30c50b9 | 451 | |
d62a17ae | 452 | return CMD_SUCCESS; |
f30c50b9 RW |
453 | } |
454 | ||
455 | DEFUN_NOSH (no_vrf, | |
456 | no_vrf_cmd, | |
d7a75a6c | 457 | "no vrf NAME", |
f30c50b9 RW |
458 | NO_STR |
459 | "Delete a pseudo VRF's configuration\n" | |
460 | "VRF's name\n") | |
461 | { | |
d62a17ae | 462 | const char *vrfname = argv[2]->arg; |
53dc2b05 | 463 | |
d62a17ae | 464 | struct vrf *vrfp; |
f30c50b9 | 465 | |
d62a17ae | 466 | vrfp = vrf_lookup_by_name(vrfname); |
f30c50b9 | 467 | |
d62a17ae | 468 | if (vrfp == NULL) { |
469 | vty_out(vty, "%% VRF %s does not exist\n", vrfname); | |
470 | return CMD_WARNING_CONFIG_FAILED; | |
471 | } | |
f30c50b9 | 472 | |
d62a17ae | 473 | if (CHECK_FLAG(vrfp->status, VRF_ACTIVE)) { |
474 | vty_out(vty, "%% Only inactive VRFs can be deleted\n"); | |
475 | return CMD_WARNING_CONFIG_FAILED; | |
476 | } | |
f30c50b9 | 477 | |
d62a17ae | 478 | vrf_delete(vrfp); |
f30c50b9 | 479 | |
d62a17ae | 480 | return CMD_SUCCESS; |
f30c50b9 RW |
481 | } |
482 | ||
53dc2b05 | 483 | |
d62a17ae | 484 | struct cmd_node vrf_node = {VRF_NODE, "%s(config-vrf)# ", 1}; |
7ddcfca4 | 485 | |
19dc275e DS |
486 | /* |
487 | * Debug CLI for vrf's | |
488 | */ | |
489 | DEFUN (vrf_debug, | |
490 | vrf_debug_cmd, | |
491 | "debug vrf", | |
492 | DEBUG_STR | |
493 | "VRF Debugging\n") | |
494 | { | |
d62a17ae | 495 | debug_vrf = 1; |
19dc275e | 496 | |
d62a17ae | 497 | return CMD_SUCCESS; |
19dc275e DS |
498 | } |
499 | ||
500 | DEFUN (no_vrf_debug, | |
501 | no_vrf_debug_cmd, | |
502 | "no debug vrf", | |
503 | NO_STR | |
504 | DEBUG_STR | |
505 | "VRF Debugging\n") | |
506 | { | |
d62a17ae | 507 | debug_vrf = 0; |
19dc275e | 508 | |
d62a17ae | 509 | return CMD_SUCCESS; |
19dc275e DS |
510 | } |
511 | ||
d62a17ae | 512 | static int vrf_write_host(struct vty *vty) |
19dc275e | 513 | { |
d62a17ae | 514 | if (debug_vrf) |
515 | vty_out(vty, "debug vrf\n"); | |
19dc275e | 516 | |
d62a17ae | 517 | return 1; |
19dc275e DS |
518 | } |
519 | ||
d62a17ae | 520 | static struct cmd_node vrf_debug_node = {VRF_DEBUG_NODE, "", 1}; |
19dc275e | 521 | |
d62a17ae | 522 | void vrf_install_commands(void) |
19dc275e | 523 | { |
d62a17ae | 524 | install_node(&vrf_debug_node, vrf_write_host); |
19dc275e | 525 | |
d62a17ae | 526 | install_element(CONFIG_NODE, &vrf_debug_cmd); |
527 | install_element(ENABLE_NODE, &vrf_debug_cmd); | |
528 | install_element(CONFIG_NODE, &no_vrf_debug_cmd); | |
529 | install_element(ENABLE_NODE, &no_vrf_debug_cmd); | |
19dc275e | 530 | } |
53dc2b05 | 531 | |
d62a17ae | 532 | void vrf_cmd_init(int (*writefunc)(struct vty *vty)) |
7ddcfca4 | 533 | { |
d62a17ae | 534 | install_element(CONFIG_NODE, &vrf_cmd); |
535 | install_element(CONFIG_NODE, &no_vrf_cmd); | |
536 | install_node(&vrf_node, writefunc); | |
537 | install_default(VRF_NODE); | |
19dc275e | 538 | } |