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-rw-r--r--src/ratelimiter.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/ratelimiter.c b/src/ratelimiter.c
index ab366d2..042ae34 100644
--- a/src/ratelimiter.c
+++ b/src/ratelimiter.c
@@ -6,6 +6,13 @@
#include <net/ip.h>
#include <linux/module.h>
+#if !IS_ENABLED(CONFIG_NETFILTER_XT_MATCH_HASHLIMIT)
+#error "WireGuard requires CONFIG_NETFILTER_XT_MATCH_HASHLIMIT."
+#endif
+#if IS_ENABLED(CONFIG_IPV6) && !IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
+#error "WireGuard requires CONFIG_IP6_NF_IPTABLES when using CONFIG_IPV6."
+#endif
+
enum {
RATELIMITER_PACKETS_PER_SECOND = 75,
RATELIMITER_PACKETS_BURSTABLE = 5