2 * Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
4 * This file is part of GNU Zebra.
6 * GNU Zebra is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2, or (at your option) any
11 * GNU Zebra is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with GNU Zebra; see the file COPYING. If not, write to the Free
18 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
31 #define RIP_OFFSET_LIST_IN 0
32 #define RIP_OFFSET_LIST_OUT 1
33 #define RIP_OFFSET_LIST_MAX 2
35 struct rip_offset_list
42 /* struct access_list *alist; */
44 } direct
[RIP_OFFSET_LIST_MAX
];
47 static struct list
*rip_offset_list_master
;
50 strcmp_safe (const char *s1
, const char *s2
)
52 if (s1
== NULL
&& s2
== NULL
)
58 return strcmp (s1
, s2
);
61 struct rip_offset_list
*
62 rip_offset_list_new ()
64 struct rip_offset_list
*new;
66 new = XMALLOC (MTYPE_RIP_OFFSET_LIST
, sizeof (struct rip_offset_list
));
67 memset (new, 0, sizeof (struct rip_offset_list
));
72 rip_offset_list_free (struct rip_offset_list
*offset
)
74 XFREE (MTYPE_RIP_OFFSET_LIST
, offset
);
77 struct rip_offset_list
*
78 rip_offset_list_lookup (const char *ifname
)
80 struct rip_offset_list
*offset
;
81 struct listnode
*node
, *nnode
;
83 for (ALL_LIST_ELEMENTS (rip_offset_list_master
, node
, nnode
, offset
))
85 if (strcmp_safe (offset
->ifname
, ifname
) == 0)
91 struct rip_offset_list
*
92 rip_offset_list_get (const char *ifname
)
94 struct rip_offset_list
*offset
;
96 offset
= rip_offset_list_lookup (ifname
);
100 offset
= rip_offset_list_new ();
102 offset
->ifname
= strdup (ifname
);
103 listnode_add_sort (rip_offset_list_master
, offset
);
109 rip_offset_list_set (struct vty
*vty
, const char *alist
, const char *direct_str
,
110 const char *metric_str
, const char *ifname
)
114 struct rip_offset_list
*offset
;
116 /* Check direction. */
117 if (strncmp (direct_str
, "i", 1) == 0)
118 direct
= RIP_OFFSET_LIST_IN
;
119 else if (strncmp (direct_str
, "o", 1) == 0)
120 direct
= RIP_OFFSET_LIST_OUT
;
123 vty_out (vty
, "Invalid direction: %s%s", direct_str
, VTY_NEWLINE
);
128 metric
= atoi (metric_str
);
129 if (metric
< 0 || metric
> 16)
131 vty_out (vty
, "Invalid metric: %s%s", metric_str
, VTY_NEWLINE
);
135 /* Get offset-list structure with interface name. */
136 offset
= rip_offset_list_get (ifname
);
138 if (offset
->direct
[direct
].alist_name
)
139 free (offset
->direct
[direct
].alist_name
);
140 offset
->direct
[direct
].alist_name
= strdup (alist
);
141 offset
->direct
[direct
].metric
= metric
;
147 rip_offset_list_unset (struct vty
*vty
, const char *alist
,
148 const char *direct_str
, const char *metric_str
,
153 struct rip_offset_list
*offset
;
155 /* Check direction. */
156 if (strncmp (direct_str
, "i", 1) == 0)
157 direct
= RIP_OFFSET_LIST_IN
;
158 else if (strncmp (direct_str
, "o", 1) == 0)
159 direct
= RIP_OFFSET_LIST_OUT
;
162 vty_out (vty
, "Invalid direction: %s%s", direct_str
, VTY_NEWLINE
);
167 metric
= atoi (metric_str
);
168 if (metric
< 0 || metric
> 16)
170 vty_out (vty
, "Invalid metric: %s%s", metric_str
, VTY_NEWLINE
);
174 /* Get offset-list structure with interface name. */
175 offset
= rip_offset_list_lookup (ifname
);
179 if (offset
->direct
[direct
].alist_name
)
180 free (offset
->direct
[direct
].alist_name
);
181 offset
->direct
[direct
].alist_name
= NULL
;
183 if (offset
->direct
[RIP_OFFSET_LIST_IN
].alist_name
== NULL
&&
184 offset
->direct
[RIP_OFFSET_LIST_OUT
].alist_name
== NULL
)
186 listnode_delete (rip_offset_list_master
, offset
);
188 free (offset
->ifname
);
189 rip_offset_list_free (offset
);
194 vty_out (vty
, "Can't find offset-list%s", VTY_NEWLINE
);
200 #define OFFSET_LIST_IN_NAME(O) ((O)->direct[RIP_OFFSET_LIST_IN].alist_name)
201 #define OFFSET_LIST_IN_METRIC(O) ((O)->direct[RIP_OFFSET_LIST_IN].metric)
203 #define OFFSET_LIST_OUT_NAME(O) ((O)->direct[RIP_OFFSET_LIST_OUT].alist_name)
204 #define OFFSET_LIST_OUT_METRIC(O) ((O)->direct[RIP_OFFSET_LIST_OUT].metric)
206 /* If metric is modifed return 1. */
208 rip_offset_list_apply_in (struct prefix_ipv4
*p
, struct interface
*ifp
,
211 struct rip_offset_list
*offset
;
212 struct access_list
*alist
;
214 /* Look up offset-list with interface name. */
215 offset
= rip_offset_list_lookup (ifp
->name
);
216 if (offset
&& OFFSET_LIST_IN_NAME (offset
))
218 alist
= access_list_lookup (AFI_IP
, OFFSET_LIST_IN_NAME (offset
));
221 && access_list_apply (alist
, (struct prefix
*)p
) == FILTER_PERMIT
)
223 *metric
+= OFFSET_LIST_IN_METRIC (offset
);
228 /* Look up offset-list without interface name. */
229 offset
= rip_offset_list_lookup (NULL
);
230 if (offset
&& OFFSET_LIST_IN_NAME (offset
))
232 alist
= access_list_lookup (AFI_IP
, OFFSET_LIST_IN_NAME (offset
));
235 && access_list_apply (alist
, (struct prefix
*)p
) == FILTER_PERMIT
)
237 *metric
+= OFFSET_LIST_IN_METRIC (offset
);
245 /* If metric is modifed return 1. */
247 rip_offset_list_apply_out (struct prefix_ipv4
*p
, struct interface
*ifp
,
250 struct rip_offset_list
*offset
;
251 struct access_list
*alist
;
253 /* Look up offset-list with interface name. */
254 offset
= rip_offset_list_lookup (ifp
->name
);
255 if (offset
&& OFFSET_LIST_OUT_NAME (offset
))
257 alist
= access_list_lookup (AFI_IP
, OFFSET_LIST_OUT_NAME (offset
));
260 && access_list_apply (alist
, (struct prefix
*)p
) == FILTER_PERMIT
)
262 *metric
+= OFFSET_LIST_OUT_METRIC (offset
);
268 /* Look up offset-list without interface name. */
269 offset
= rip_offset_list_lookup (NULL
);
270 if (offset
&& OFFSET_LIST_OUT_NAME (offset
))
272 alist
= access_list_lookup (AFI_IP
, OFFSET_LIST_OUT_NAME (offset
));
275 && access_list_apply (alist
, (struct prefix
*)p
) == FILTER_PERMIT
)
277 *metric
+= OFFSET_LIST_OUT_METRIC (offset
);
285 DEFUN (rip_offset_list
,
287 "offset-list WORD (in|out) <0-16>",
288 "Modify RIP metric\n"
290 "For incoming updates\n"
291 "For outgoing updates\n"
294 return rip_offset_list_set (vty
, argv
[0], argv
[1], argv
[2], NULL
);
297 DEFUN (rip_offset_list_ifname
,
298 rip_offset_list_ifname_cmd
,
299 "offset-list WORD (in|out) <0-16> IFNAME",
300 "Modify RIP metric\n"
302 "For incoming updates\n"
303 "For outgoing updates\n"
305 "Interface to match\n")
307 return rip_offset_list_set (vty
, argv
[0], argv
[1], argv
[2], argv
[3]);
310 DEFUN (no_rip_offset_list
,
311 no_rip_offset_list_cmd
,
312 "no offset-list WORD (in|out) <0-16>",
314 "Modify RIP metric\n"
316 "For incoming updates\n"
317 "For outgoing updates\n"
320 return rip_offset_list_unset (vty
, argv
[0], argv
[1], argv
[2], NULL
);
323 DEFUN (no_rip_offset_list_ifname
,
324 no_rip_offset_list_ifname_cmd
,
325 "no offset-list WORD (in|out) <0-16> IFNAME",
327 "Modify RIP metric\n"
329 "For incoming updates\n"
330 "For outgoing updates\n"
332 "Interface to match\n")
334 return rip_offset_list_unset (vty
, argv
[0], argv
[1], argv
[2], argv
[3]);
338 offset_list_cmp (struct rip_offset_list
*o1
, struct rip_offset_list
*o2
)
340 return strcmp_safe (o1
->ifname
, o2
->ifname
);
344 offset_list_del (struct rip_offset_list
*offset
)
346 if (OFFSET_LIST_IN_NAME (offset
))
347 free (OFFSET_LIST_IN_NAME (offset
));
348 if (OFFSET_LIST_OUT_NAME (offset
))
349 free (OFFSET_LIST_OUT_NAME (offset
));
351 free (offset
->ifname
);
352 rip_offset_list_free (offset
);
358 rip_offset_list_master
= list_new ();
359 rip_offset_list_master
->cmp
= (int (*)(void *, void *)) offset_list_cmp
;
360 rip_offset_list_master
->del
= (void (*)(void *)) offset_list_del
;
362 install_element (RIP_NODE
, &rip_offset_list_cmd
);
363 install_element (RIP_NODE
, &rip_offset_list_ifname_cmd
);
364 install_element (RIP_NODE
, &no_rip_offset_list_cmd
);
365 install_element (RIP_NODE
, &no_rip_offset_list_ifname_cmd
);
371 list_delete (rip_offset_list_master
);
373 rip_offset_list_master
= list_new ();
374 rip_offset_list_master
->cmp
= (int (*)(void *, void *)) offset_list_cmp
;
375 rip_offset_list_master
->del
= (void (*)(void *)) offset_list_del
;
379 config_write_rip_offset_list (struct vty
*vty
)
381 struct listnode
*node
, *nnode
;
382 struct rip_offset_list
*offset
;
384 for (ALL_LIST_ELEMENTS (rip_offset_list_master
, node
, nnode
, offset
))
386 if (! offset
->ifname
)
388 if (offset
->direct
[RIP_OFFSET_LIST_IN
].alist_name
)
389 vty_out (vty
, " offset-list %s in %d%s",
390 offset
->direct
[RIP_OFFSET_LIST_IN
].alist_name
,
391 offset
->direct
[RIP_OFFSET_LIST_IN
].metric
,
393 if (offset
->direct
[RIP_OFFSET_LIST_OUT
].alist_name
)
394 vty_out (vty
, " offset-list %s out %d%s",
395 offset
->direct
[RIP_OFFSET_LIST_OUT
].alist_name
,
396 offset
->direct
[RIP_OFFSET_LIST_OUT
].metric
,
401 if (offset
->direct
[RIP_OFFSET_LIST_IN
].alist_name
)
402 vty_out (vty
, " offset-list %s in %d %s%s",
403 offset
->direct
[RIP_OFFSET_LIST_IN
].alist_name
,
404 offset
->direct
[RIP_OFFSET_LIST_IN
].metric
,
405 offset
->ifname
, VTY_NEWLINE
);
406 if (offset
->direct
[RIP_OFFSET_LIST_OUT
].alist_name
)
407 vty_out (vty
, " offset-list %s out %d %s%s",
408 offset
->direct
[RIP_OFFSET_LIST_OUT
].alist_name
,
409 offset
->direct
[RIP_OFFSET_LIST_OUT
].metric
,
410 offset
->ifname
, VTY_NEWLINE
);