* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
- /* RIPng support by Vincent Jardin <vincent.jardin@6wind.com>
- * Copyright (C) 2002 6WIND
- */
+/* RIPng support by Vincent Jardin <vincent.jardin@6wind.com>
+ * Copyright (C) 2002 6WIND
+ */
#include <zebra.h>
#include "ripngd/ripngd.h"
-#define RIPNG_OFFSET_LIST_IN 0
-#define RIPNG_OFFSET_LIST_OUT 1
-#define RIPNG_OFFSET_LIST_MAX 2
-
-struct ripng_offset_list
-{
- char *ifname;
-
- struct
- {
- char *alist_name;
- /* struct access_list *alist; */
- int metric;
- } direct[RIPNG_OFFSET_LIST_MAX];
-};
-
static struct list *ripng_offset_list_master;
-static int
-strcmp_safe (const char *s1, const char *s2)
-{
- if (s1 == NULL && s2 == NULL)
- return 0;
- if (s1 == NULL)
- return -1;
- if (s2 == NULL)
- return 1;
- return strcmp (s1, s2);
-}
-
-static struct ripng_offset_list *
-ripng_offset_list_new (void)
-{
- struct ripng_offset_list *new;
-
- new = XCALLOC (MTYPE_RIPNG_OFFSET_LIST, sizeof (struct ripng_offset_list));
- return new;
-}
-
-static void
-ripng_offset_list_free (struct ripng_offset_list *offset)
-{
- XFREE (MTYPE_RIPNG_OFFSET_LIST, offset);
-}
-
-static struct ripng_offset_list *
-ripng_offset_list_lookup (const char *ifname)
-{
- struct ripng_offset_list *offset;
- struct listnode *node, *nnode;
+#define OFFSET_LIST_IN_NAME(O) ((O)->direct[RIPNG_OFFSET_LIST_IN].alist_name)
+#define OFFSET_LIST_IN_METRIC(O) ((O)->direct[RIPNG_OFFSET_LIST_IN].metric)
- for (ALL_LIST_ELEMENTS (ripng_offset_list_master, node, nnode, offset))
- {
- if (strcmp_safe (offset->ifname, ifname) == 0)
- return offset;
- }
- return NULL;
-}
+#define OFFSET_LIST_OUT_NAME(O) ((O)->direct[RIPNG_OFFSET_LIST_OUT].alist_name)
+#define OFFSET_LIST_OUT_METRIC(O) ((O)->direct[RIPNG_OFFSET_LIST_OUT].metric)
-static struct ripng_offset_list *
-ripng_offset_list_get (const char *ifname)
+struct ripng_offset_list *ripng_offset_list_new(const char *ifname)
{
- struct ripng_offset_list *offset;
-
- offset = ripng_offset_list_lookup (ifname);
- if (offset)
- return offset;
+ struct ripng_offset_list *new;
- offset = ripng_offset_list_new ();
- if (ifname)
- offset->ifname = strdup (ifname);
- listnode_add_sort (ripng_offset_list_master, offset);
+ new = XCALLOC(MTYPE_RIPNG_OFFSET_LIST,
+ sizeof(struct ripng_offset_list));
+ new->ifname = strdup(ifname);
+ listnode_add_sort(ripng_offset_list_master, new);
- return offset;
+ return new;
}
-static int
-ripng_offset_list_set (struct vty *vty, const char *alist,
- const char *direct_str, const char *metric_str,
- const char *ifname)
+void ripng_offset_list_del(struct ripng_offset_list *offset)
{
- int direct;
- int metric;
- struct ripng_offset_list *offset;
-
- /* Check direction. */
- if (strncmp (direct_str, "i", 1) == 0)
- direct = RIPNG_OFFSET_LIST_IN;
- else if (strncmp (direct_str, "o", 1) == 0)
- direct = RIPNG_OFFSET_LIST_OUT;
- else
- {
- vty_out (vty, "Invalid direction: %s\n", direct_str);
- return CMD_WARNING;
- }
-
- /* Check metric. */
- metric = atoi (metric_str);
- if (metric < 0 || metric > 16)
- {
- vty_out (vty, "Invalid metric: %s\n", metric_str);
- return CMD_WARNING;
- }
-
- /* Get offset-list structure with interface name. */
- offset = ripng_offset_list_get (ifname);
-
- if (offset->direct[direct].alist_name)
- free (offset->direct[direct].alist_name);
- offset->direct[direct].alist_name = strdup (alist);
- offset->direct[direct].metric = metric;
-
- return CMD_SUCCESS;
+ listnode_delete(ripng_offset_list_master, offset);
+ if (OFFSET_LIST_IN_NAME(offset))
+ free(OFFSET_LIST_IN_NAME(offset));
+ if (OFFSET_LIST_OUT_NAME(offset))
+ free(OFFSET_LIST_OUT_NAME(offset));
+ free(offset->ifname);
+ XFREE(MTYPE_RIPNG_OFFSET_LIST, offset);
}
-static int
-ripng_offset_list_unset (struct vty *vty, const char *alist,
- const char *direct_str, const char *metric_str,
- const char *ifname)
+struct ripng_offset_list *ripng_offset_list_lookup(const char *ifname)
{
- int direct;
- int metric;
- struct ripng_offset_list *offset;
+ struct ripng_offset_list *offset;
+ struct listnode *node, *nnode;
- /* Check direction. */
- if (strncmp (direct_str, "i", 1) == 0)
- direct = RIPNG_OFFSET_LIST_IN;
- else if (strncmp (direct_str, "o", 1) == 0)
- direct = RIPNG_OFFSET_LIST_OUT;
- else
- {
- vty_out (vty, "Invalid direction: %s\n", direct_str);
- return CMD_WARNING;
- }
-
- /* Check metric. */
- metric = atoi (metric_str);
- if (metric < 0 || metric > 16)
- {
- vty_out (vty, "Invalid metric: %s\n", metric_str);
- return CMD_WARNING;
- }
-
- /* Get offset-list structure with interface name. */
- offset = ripng_offset_list_lookup (ifname);
-
- if (offset)
- {
- if (offset->direct[direct].alist_name)
- free (offset->direct[direct].alist_name);
- offset->direct[direct].alist_name = NULL;
-
- if (offset->direct[RIPNG_OFFSET_LIST_IN].alist_name == NULL &&
- offset->direct[RIPNG_OFFSET_LIST_OUT].alist_name == NULL)
- {
- listnode_delete (ripng_offset_list_master, offset);
- if (offset->ifname)
- free (offset->ifname);
- ripng_offset_list_free (offset);
+ for (ALL_LIST_ELEMENTS(ripng_offset_list_master, node, nnode, offset)) {
+ if (strcmp(offset->ifname, ifname) == 0)
+ return offset;
}
- }
- else
- {
- vty_out (vty, "Can't find offset-list\n");
- return CMD_WARNING;
- }
- return CMD_SUCCESS;
+ return NULL;
}
-#define OFFSET_LIST_IN_NAME(O) ((O)->direct[RIPNG_OFFSET_LIST_IN].alist_name)
-#define OFFSET_LIST_IN_METRIC(O) ((O)->direct[RIPNG_OFFSET_LIST_IN].metric)
-
-#define OFFSET_LIST_OUT_NAME(O) ((O)->direct[RIPNG_OFFSET_LIST_OUT].alist_name)
-#define OFFSET_LIST_OUT_METRIC(O) ((O)->direct[RIPNG_OFFSET_LIST_OUT].metric)
-
/* If metric is modifed return 1. */
-int
-ripng_offset_list_apply_in (struct prefix_ipv6 *p, struct interface *ifp,
- u_char *metric)
-{
- struct ripng_offset_list *offset;
- struct access_list *alist;
-
- /* Look up offset-list with interface name. */
- offset = ripng_offset_list_lookup (ifp->name);
- if (offset && OFFSET_LIST_IN_NAME (offset))
- {
- alist = access_list_lookup (AFI_IP6, OFFSET_LIST_IN_NAME (offset));
-
- if (alist
- && access_list_apply (alist, (struct prefix *)p) == FILTER_PERMIT)
- {
- *metric += OFFSET_LIST_IN_METRIC (offset);
- return 1;
+int ripng_offset_list_apply_in(struct prefix_ipv6 *p, struct interface *ifp,
+ uint8_t *metric)
+{
+ struct ripng_offset_list *offset;
+ struct access_list *alist;
+
+ /* Look up offset-list with interface name. */
+ offset = ripng_offset_list_lookup(ifp->name);
+ if (offset && OFFSET_LIST_IN_NAME(offset)) {
+ alist = access_list_lookup(AFI_IP6,
+ OFFSET_LIST_IN_NAME(offset));
+
+ if (alist
+ && access_list_apply(alist, (struct prefix *)p)
+ == FILTER_PERMIT) {
+ *metric += OFFSET_LIST_IN_METRIC(offset);
+ return 1;
+ }
+ return 0;
}
- return 0;
- }
- /* Look up offset-list without interface name. */
- offset = ripng_offset_list_lookup (NULL);
- if (offset && OFFSET_LIST_IN_NAME (offset))
- {
- alist = access_list_lookup (AFI_IP6, OFFSET_LIST_IN_NAME (offset));
-
- if (alist
- && access_list_apply (alist, (struct prefix *)p) == FILTER_PERMIT)
- {
- *metric += OFFSET_LIST_IN_METRIC (offset);
- return 1;
+ /* Look up offset-list without interface name. */
+ offset = ripng_offset_list_lookup("*");
+ if (offset && OFFSET_LIST_IN_NAME(offset)) {
+ alist = access_list_lookup(AFI_IP6,
+ OFFSET_LIST_IN_NAME(offset));
+
+ if (alist
+ && access_list_apply(alist, (struct prefix *)p)
+ == FILTER_PERMIT) {
+ *metric += OFFSET_LIST_IN_METRIC(offset);
+ return 1;
+ }
+ return 0;
}
- return 0;
- }
- return 0;
+ return 0;
}
/* If metric is modifed return 1. */
-int
-ripng_offset_list_apply_out (struct prefix_ipv6 *p, struct interface *ifp,
- u_char *metric)
-{
- struct ripng_offset_list *offset;
- struct access_list *alist;
-
- /* Look up offset-list with interface name. */
- offset = ripng_offset_list_lookup (ifp->name);
- if (offset && OFFSET_LIST_OUT_NAME (offset))
- {
- alist = access_list_lookup (AFI_IP6, OFFSET_LIST_OUT_NAME (offset));
-
- if (alist
- && access_list_apply (alist, (struct prefix *)p) == FILTER_PERMIT)
- {
- *metric += OFFSET_LIST_OUT_METRIC (offset);
- return 1;
+int ripng_offset_list_apply_out(struct prefix_ipv6 *p, struct interface *ifp,
+ uint8_t *metric)
+{
+ struct ripng_offset_list *offset;
+ struct access_list *alist;
+
+ /* Look up offset-list with interface name. */
+ offset = ripng_offset_list_lookup(ifp->name);
+ if (offset && OFFSET_LIST_OUT_NAME(offset)) {
+ alist = access_list_lookup(AFI_IP6,
+ OFFSET_LIST_OUT_NAME(offset));
+
+ if (alist
+ && access_list_apply(alist, (struct prefix *)p)
+ == FILTER_PERMIT) {
+ *metric += OFFSET_LIST_OUT_METRIC(offset);
+ return 1;
+ }
+ return 0;
}
- return 0;
- }
- /* Look up offset-list without interface name. */
- offset = ripng_offset_list_lookup (NULL);
- if (offset && OFFSET_LIST_OUT_NAME (offset))
- {
- alist = access_list_lookup (AFI_IP6, OFFSET_LIST_OUT_NAME (offset));
-
- if (alist
- && access_list_apply (alist, (struct prefix *)p) == FILTER_PERMIT)
- {
- *metric += OFFSET_LIST_OUT_METRIC (offset);
- return 1;
+ /* Look up offset-list without interface name. */
+ offset = ripng_offset_list_lookup("*");
+ if (offset && OFFSET_LIST_OUT_NAME(offset)) {
+ alist = access_list_lookup(AFI_IP6,
+ OFFSET_LIST_OUT_NAME(offset));
+
+ if (alist
+ && access_list_apply(alist, (struct prefix *)p)
+ == FILTER_PERMIT) {
+ *metric += OFFSET_LIST_OUT_METRIC(offset);
+ return 1;
+ }
+ return 0;
}
- return 0;
- }
- return 0;
-}
-
-DEFUN (ripng_offset_list,
- ripng_offset_list_cmd,
- "offset-list WORD <in|out> (0-16)",
- "Modify RIPng metric\n"
- "Access-list name\n"
- "For incoming updates\n"
- "For outgoing updates\n"
- "Metric value\n")
-{
- int idx_word = 1;
- int idx_in_out = 2;
- int idx_number = 3;
- return ripng_offset_list_set (vty, argv[idx_word]->arg, argv[idx_in_out]->arg, argv[idx_number]->arg, NULL);
+ return 0;
}
-DEFUN (ripng_offset_list_ifname,
- ripng_offset_list_ifname_cmd,
- "offset-list WORD <in|out> (0-16) IFNAME",
- "Modify RIPng metric\n"
- "Access-list name\n"
- "For incoming updates\n"
- "For outgoing updates\n"
- "Metric value\n"
- "Interface to match\n")
+static int offset_list_cmp(struct ripng_offset_list *o1,
+ struct ripng_offset_list *o2)
{
- int idx_word = 1;
- int idx_in_out = 2;
- int idx_number = 3;
- int idx_ifname = 4;
- return ripng_offset_list_set (vty, argv[idx_word]->arg, argv[idx_in_out]->arg, argv[idx_number]->arg, argv[idx_ifname]->arg);
+ return strcmp(o1->ifname, o2->ifname);
}
-DEFUN (no_ripng_offset_list,
- no_ripng_offset_list_cmd,
- "no offset-list WORD <in|out> (0-16)",
- NO_STR
- "Modify RIPng metric\n"
- "Access-list name\n"
- "For incoming updates\n"
- "For outgoing updates\n"
- "Metric value\n")
+void ripng_offset_init(void)
{
- int idx_word = 2;
- int idx_in_out = 3;
- int idx_number = 4;
- return ripng_offset_list_unset (vty, argv[idx_word]->arg, argv[idx_in_out]->arg, argv[idx_number]->arg, NULL);
+ ripng_offset_list_master = list_new();
+ ripng_offset_list_master->cmp =
+ (int (*)(void *, void *))offset_list_cmp;
+ ripng_offset_list_master->del = (void (*)(void *))ripng_offset_list_del;
}
-DEFUN (no_ripng_offset_list_ifname,
- no_ripng_offset_list_ifname_cmd,
- "no offset-list WORD <in|out> (0-16) IFNAME",
- NO_STR
- "Modify RIPng metric\n"
- "Access-list name\n"
- "For incoming updates\n"
- "For outgoing updates\n"
- "Metric value\n"
- "Interface to match\n")
+void ripng_offset_clean(void)
{
- int idx_word = 2;
- int idx_in_out = 3;
- int idx_number = 4;
- int idx_ifname = 5;
- return ripng_offset_list_unset (vty, argv[idx_word]->arg, argv[idx_in_out]->arg, argv[idx_number]->arg, argv[idx_ifname]->arg);
-}
-
-static int
-offset_list_cmp (struct ripng_offset_list *o1, struct ripng_offset_list *o2)
-{
- return strcmp_safe (o1->ifname, o2->ifname);
-}
-
-static void
-offset_list_del (struct ripng_offset_list *offset)
-{
- if (OFFSET_LIST_IN_NAME (offset))
- free (OFFSET_LIST_IN_NAME (offset));
- if (OFFSET_LIST_OUT_NAME (offset))
- free (OFFSET_LIST_OUT_NAME (offset));
- if (offset->ifname)
- free (offset->ifname);
- ripng_offset_list_free (offset);
-}
-
-void
-ripng_offset_init (void)
-{
- ripng_offset_list_master = list_new ();
- ripng_offset_list_master->cmp = (int (*)(void *, void *)) offset_list_cmp;
- ripng_offset_list_master->del = (void (*)(void *)) offset_list_del;
-
- install_element (RIPNG_NODE, &ripng_offset_list_cmd);
- install_element (RIPNG_NODE, &ripng_offset_list_ifname_cmd);
- install_element (RIPNG_NODE, &no_ripng_offset_list_cmd);
- install_element (RIPNG_NODE, &no_ripng_offset_list_ifname_cmd);
-}
-
-void
-ripng_offset_clean (void)
-{
- list_delete (ripng_offset_list_master);
-
- ripng_offset_list_master = list_new ();
- ripng_offset_list_master->cmp = (int (*)(void *, void *)) offset_list_cmp;
- ripng_offset_list_master->del = (void (*)(void *)) offset_list_del;
-}
-
-int
-config_write_ripng_offset_list (struct vty *vty)
-{
- struct listnode *node, *nnode;
- struct ripng_offset_list *offset;
-
- for (ALL_LIST_ELEMENTS (ripng_offset_list_master, node, nnode, offset))
- {
- if (! offset->ifname)
- {
- if (offset->direct[RIPNG_OFFSET_LIST_IN].alist_name)
- vty_out (vty, " offset-list %s in %d\n",
- offset->direct[RIPNG_OFFSET_LIST_IN].alist_name,
- offset->direct[RIPNG_OFFSET_LIST_IN].metric);
- if (offset->direct[RIPNG_OFFSET_LIST_OUT].alist_name)
- vty_out (vty, " offset-list %s out %d\n",
- offset->direct[RIPNG_OFFSET_LIST_OUT].alist_name,
- offset->direct[RIPNG_OFFSET_LIST_OUT].metric);
- }
- else
- {
- if (offset->direct[RIPNG_OFFSET_LIST_IN].alist_name)
- vty_out (vty, " offset-list %s in %d %s\n",
- offset->direct[RIPNG_OFFSET_LIST_IN].alist_name,
- offset->direct[RIPNG_OFFSET_LIST_IN].metric,
- offset->ifname);
- if (offset->direct[RIPNG_OFFSET_LIST_OUT].alist_name)
- vty_out (vty, " offset-list %s out %d %s\n",
- offset->direct[RIPNG_OFFSET_LIST_OUT].alist_name,
- offset->direct[RIPNG_OFFSET_LIST_OUT].metric,
- offset->ifname);
- }
- }
+ list_delete(&ripng_offset_list_master);
- return 0;
+ ripng_offset_list_master = list_new();
+ ripng_offset_list_master->cmp =
+ (int (*)(void *, void *))offset_list_cmp;
+ ripng_offset_list_master->del = (void (*)(void *))ripng_offset_list_del;
}
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