1 files changed, 41 insertions, 0 deletions
diff --git a/src/routing-table.h b/src/routing-table.h
new file mode 100644
index 0000000..2e3a0ba
--- /dev/null
+++ b/src/routing-table.h
@@ -0,0 +1,41 @@
+/* Copyright 2015-2016 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */
+
+#ifndef ROUTINGTABLE_H
+#define ROUTINGTABLE_H
+
+#include "wireguard.h"
+#include <linux/mutex.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+
+struct wireguard_peer;
+struct routing_table_node;
+
+struct routing_table {
+	struct routing_table_node __rcu *root4;
+	struct routing_table_node __rcu *root6;
+	struct mutex table_update_lock;
+};
+
+void routing_table_init(struct routing_table *table);
+void routing_table_free(struct routing_table *table);
+int routing_table_insert_v4(struct routing_table *table, const struct in_addr *ip, uint8_t cidr, struct wireguard_peer *peer);
+int routing_table_insert_v6(struct routing_table *table, const struct in6_addr *ip, uint8_t cidr, struct wireguard_peer *peer);
+int routing_table_remove_v4(struct routing_table *table, const struct in_addr *ip, uint8_t cidr);
+int routing_table_remove_v6(struct routing_table *table, const struct in6_addr *ip, uint8_t cidr);
+int routing_table_remove_by_peer(struct routing_table *table, struct wireguard_peer *peer);
+int routing_table_walk_ips(struct routing_table *table, void *ctx, int (*func)(void *ctx, struct wireguard_peer *peer, union nf_inet_addr ip, uint8_t cidr, int family));
+int routing_table_walk_ips_by_peer(struct routing_table *table, void *ctx, struct wireguard_peer *peer, int (*func)(void *ctx, union nf_inet_addr ip, uint8_t cidr, int family));
+int routing_table_walk_ips_by_peer_sleepable(struct routing_table *table, void *ctx, struct wireguard_peer *peer, int (*func)(void *ctx, union nf_inet_addr ip, uint8_t cidr, int family));
+
+/* These return a strong reference to a peer: */
+struct wireguard_peer *routing_table_lookup_v4(struct routing_table *table, const struct in_addr *ip);
+struct wireguard_peer *routing_table_lookup_v6(struct routing_table *table, const struct in6_addr *ip);
+struct wireguard_peer *routing_table_lookup_dst(struct routing_table *table, struct sk_buff *skb);
+struct wireguard_peer *routing_table_lookup_src(struct routing_table *table, struct sk_buff *skb);
+
+#ifdef DEBUG
+void routing_table_selftest(void);
+#endif
+
+#endif