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-rw-r--r--include/linux/mroute6.h10
-rw-r--r--net/ipv6/ip6mr.c7
2 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/mroute6.h b/include/linux/mroute6.h
index 1ac38e6819f5..c4a45859f586 100644
--- a/include/linux/mroute6.h
+++ b/include/linux/mroute6.h
@@ -8,6 +8,7 @@
#include <net/net_namespace.h>
#include <uapi/linux/mroute6.h>
#include <linux/mroute_base.h>
+#include <net/fib_rules.h>
#ifdef CONFIG_IPV6_MROUTE
static inline int ip6_mroute_opt(int opt)
@@ -63,6 +64,15 @@ static inline void ip6_mr_cleanup(void)
}
#endif
+#ifdef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
+bool ip6mr_rule_default(const struct fib_rule *rule);
+#else
+static inline bool ip6mr_rule_default(const struct fib_rule *rule)
+{
+ return true;
+}
+#endif
+
#define VIFF_STATIC 0x8000
struct mfc6_cache_cmp_arg {
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 0be2f333e168..a187c523a95f 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -268,6 +268,13 @@ static unsigned int ip6mr_rules_seq_read(struct net *net)
{
return fib_rules_seq_read(net, RTNL_FAMILY_IP6MR);
}
+
+bool ip6mr_rule_default(const struct fib_rule *rule)
+{
+ return fib_rule_matchall(rule) && rule->action == FR_ACT_TO_TBL &&
+ rule->table == RT6_TABLE_DFLT && !rule->l3mdev;
+}
+EXPORT_SYMBOL(ip6mr_rule_default);
#else
#define ip6mr_for_each_table(mrt, net) \
for (mrt = net->ipv6.mrt6; mrt; mrt = NULL)