X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet_packet.c;h=96f8f10e7b645a5364687671b357146cfc7f6544;hp=b2c6f902bdb581bcf951aef3561da365c39812e2;hb=f0afde0467443969eb408090d6b8ee542768ee33;hpb=d63941593736fbf268f2770d42e7f3f6a2132fae

diff --git a/src/net_packet.c b/src/net_packet.c
index b2c6f902..96f8f10e 100644
--- a/src/net_packet.c
+++ b/src/net_packet.c
@@ -95,6 +95,7 @@ static void udp_probe_timeout_handler(void *data) {
 
 	logger(DEBUG_TRAFFIC, LOG_INFO, "Too much time has elapsed since last UDP ping response from %s (%s), stopping UDP communication", n->name, n->hostname);
 	n->status.udp_confirmed = false;
+	n->maxrecentlen = 0;
 	n->mtuprobes = 0;
 	n->minmtu = 0;
 	n->maxmtu = MTU;
@@ -387,6 +388,9 @@ static bool receive_udppacket(node_t *n, vpn_packet_t *inpkt) {
 		origlen -= MTU/64 + 20;
 	}
 
+	if(inpkt->len > n->maxrecentlen)
+		n->maxrecentlen = inpkt->len;
+
 	inpkt->priority = 0;
 
 	if(!DATA(inpkt)[12] && !DATA(inpkt)[13])
@@ -962,6 +966,7 @@ static void try_mtu(node_t *n) {
 		return;
 
 	if(udp_discovery && !n->status.udp_confirmed) {
+		n->maxrecentlen = 0;
 		n->mtuprobes = 0;
 		n->minmtu = 0;
 		n->maxmtu = MTU;