Forward packets to not directly reachable hosts via UDP if possible.

[oweals/tinc.git] / src / net_packet.c

diff --git a/src/net_packet.c b/src/net_packet.c
index 3466f87ee975a3aaf5a6d249542577b671038887..054a66feb2f5a4a12420227b329364aa08655f14 100644 (file)
--- a/src/net_packet.c
+++ b/src/net_packet.c
@@ -369,10 +369,13 @@ static void send_udppacket(node_t *n, vpn_packet_t *origpkt) {
 
        if(n->options & OPTION_PMTU_DISCOVERY && inpkt->len > n->minmtu && (inpkt->data[12] | inpkt->data[13])) {
                ifdebug(TRAFFIC) logger(LOG_INFO,
-                               "Packet for %s (%s) larger than minimum MTU, forwarding via TCP",
-                               n->name, n->hostname);
+                               "Packet for %s (%s) larger than minimum MTU, forwarding via %s",
+                               n->name, n->hostname, n != n->nexthop ? n->nexthop->name : "TCP");
 
-               send_tcppacket(n->nexthop->connection, origpkt);
+               if(n != n->nexthop)
+                       send_packet(n->nexthop, origpkt);
+               else
+                       send_tcppacket(n->nexthop->connection, origpkt);
 
                return;
        }