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-rw-r--r--iprule.c7
-rw-r--r--iprule.h4
-rw-r--r--system-linux.c3
3 files changed, 14 insertions, 0 deletions
diff --git a/iprule.c b/iprule.c
index 81bb77a..7cf7422 100644
--- 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));
diff --git a/iprule.h b/iprule.h
index e8a2555..7617c76 100644
--- a/iprule.h
+++ b/iprule.h
@@ -60,6 +60,9 @@ enum iprule_flags {
/* rule is a goto */
IPRULE_GOTO = (1 << 12),
+
+ /* rule suppresses results by prefix length */
+ IPRULE_SUP_PREFIXLEN = (1 << 13),
};
struct iprule {
@@ -87,6 +90,7 @@ struct iprule {
unsigned int fwmask;
unsigned int lookup;
+ unsigned int sup_prefixlen;
unsigned int action;
unsigned int gotoid;
};
diff --git a/system-linux.c b/system-linux.c
index 3605d9b..06c6abd 100644
--- a/system-linux.c
+++ b/system-linux.c
@@ -2171,6 +2171,9 @@ static int system_iprule(struct iprule *rule, int cmd)
nla_put_u32(msg, FRA_TABLE, rule->lookup);
}
+ if (rule->flags & IPRULE_SUP_PREFIXLEN)
+ nla_put_u32(msg, FRA_SUPPRESS_PREFIXLEN, rule->sup_prefixlen);
+
if (rule->flags & IPRULE_GOTO)
nla_put_u32(msg, FRA_GOTO, rule->gotoid);