3 files changed, 9 insertions, 4 deletions
diff --git a/src/libhydra/kernel/kernel_interface.c b/src/libhydra/kernel/kernel_interface.c
index c9379dca9..3fa28e054 100644
--- a/src/libhydra/kernel/kernel_interface.c
+++ b/src/libhydra/kernel/kernel_interface.c
@@ -302,13 +302,13 @@ METHOD(kernel_interface_t, get_source_addr, host_t*,
 }
 
 METHOD(kernel_interface_t, get_nexthop, host_t*,
-	private_kernel_interface_t *this, host_t *dest, host_t *src)
+	private_kernel_interface_t *this, host_t *dest, int prefix, host_t *src)
 {
 	if (!this->net)
 	{
 		return NULL;
 	}
-	return this->net->get_nexthop(this->net, dest, src);
+	return this->net->get_nexthop(this->net, dest, prefix, src);
 }
 
 METHOD(kernel_interface_t, get_interface, bool,
diff --git a/src/libhydra/kernel/kernel_interface.h b/src/libhydra/kernel/kernel_interface.h
index bba6a5898..cd550383c 100644
--- a/src/libhydra/kernel/kernel_interface.h
+++ b/src/libhydra/kernel/kernel_interface.h
@@ -330,9 +330,12 @@ struct kernel_interface_t {
 	 * for the given source to dest.
 	 *
 	 * @param dest			target destination address
+	 * @param prefix		prefix length if dest is a subnet, -1 for auto
+	 * @param src			source address to check, or NULL
 	 * @return				next hop address, NULL if unreachable
 	 */
-	host_t* (*get_nexthop)(kernel_interface_t *this, host_t *dest, host_t *src);
+	host_t* (*get_nexthop)(kernel_interface_t *this, host_t *dest,
+						   int prefix, host_t *src);
 
 	/**
 	 * Get the interface name of a local address. Interfaces that are down or
diff --git a/src/libhydra/kernel/kernel_net.h b/src/libhydra/kernel/kernel_net.h
index 8c448ddbc..4312c17d1 100644
--- a/src/libhydra/kernel/kernel_net.h
+++ b/src/libhydra/kernel/kernel_net.h
@@ -86,10 +86,12 @@ struct kernel_net_t {
 	 * for the given source to dest.
 	 *
 	 * @param dest			target destination address
+	 * @param prefix		prefix length if dest is a subnet, -1 for auto
 	 * @param src			source address to check, or NULL
 	 * @return				next hop address, NULL if unreachable
 	 */
-	host_t* (*get_nexthop)(kernel_net_t *this, host_t *dest, host_t *src);
+	host_t* (*get_nexthop)(kernel_net_t *this, host_t *dest, int prefix,
+						   host_t *src);
 
 	/**
 	 * Get the interface name of a local address. Interfaces that are down or