X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet_packet.c;h=aca84683e5aaa5a500758803bdcaf90ba435ac8e;hp=31c44771967a2d62f35da6c34eade0f4411cfc9d;hb=b5ccce296848aab72d574ca3de14af5fdf3efa4d;hpb=de029ce46056e02908b5390da9b71a6a59133f26

diff --git a/src/net_packet.c b/src/net_packet.c
index 31c44771..aca84683 100644
--- a/src/net_packet.c
+++ b/src/net_packet.c
@@ -87,7 +87,7 @@ void send_mtu_probe(node_t *n)
 			return;
 		}
 
-		len = n->minmtu + 1 + random() % (n->maxmtu - n->minmtu);
+		len = n->minmtu + 1 + rand() % (n->maxmtu - n->minmtu);
 		if(len < 64)
 			len = 64;
 		
@@ -355,9 +355,9 @@ static void send_udppacket(node_t *n, vpn_packet_t *origpkt)
 		return;
 	}
 
-	if(n->options & OPTION_PMTU_DISCOVERY && !n->minmtu && (inpkt->data[12] | inpkt->data[13])) {
+	if(n->options & OPTION_PMTU_DISCOVERY && inpkt->len > n->minmtu && (inpkt->data[12] | inpkt->data[13])) {
 		ifdebug(TRAFFIC) logger(LOG_INFO,
-				_("No minimum MTU established yet for %s (%s), forwarding via TCP"),
+				_("Packet for %s (%s) larger than minimum MTU, forwarding via TCP"),
 				n->name, n->hostname);
 
 		send_tcppacket(n->nexthop->connection, origpkt);