iprule: Add option to suppress unspecific routing lookups

[project/netifd.git] / iprule.c

diff --git a/iprule.c b/iprule.c
index 81bb77a..7cf7422 100644 (file)
--- a/iprule.c
+++ b/iprule.c
@@ -42,6 +42,7 @@ enum {
        RULE_LOOKUP,
        RULE_ACTION,
        RULE_GOTO,
+       RULE_SUP_PREFIXLEN,
        __RULE_MAX
 };
 
@@ -55,6 +56,7 @@ static const struct blobmsg_policy rule_attr[__RULE_MAX] = {
        [RULE_TOS] = { .name = "tos", .type = BLOBMSG_TYPE_INT32 },
        [RULE_FWMARK] = { .name = "mark", .type = BLOBMSG_TYPE_STRING },
        [RULE_LOOKUP] = { .name = "lookup", .type = BLOBMSG_TYPE_STRING },
+       [RULE_SUP_PREFIXLEN] = { .name = "suppress_prefixlength", .type = BLOBMSG_TYPE_INT32 },
        [RULE_ACTION] = { .name = "action", .type = BLOBMSG_TYPE_STRING },
        [RULE_GOTO]   = { .name = "goto", .type = BLOBMSG_TYPE_INT32 },
 };
@@ -185,6 +187,11 @@ iprule_add(struct blob_attr *attr, bool v6)
                rule->flags |= IPRULE_LOOKUP;
        }
 
+       if ((cur = tb[RULE_SUP_PREFIXLEN]) != NULL) {
+               rule->sup_prefixlen = blobmsg_get_u32(cur);
+               rule->flags |= IPRULE_SUP_PREFIXLEN;
+       }
+
        if ((cur = tb[RULE_ACTION]) != NULL) {
                if (!system_resolve_iprule_action(blobmsg_data(cur), &rule->action)) {
                        DPRINTF("Failed to parse rule action: %s\n", (char *) blobmsg_data(cur));