X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet_socket.c;h=cb271063b0bc5d25ad22d3d0cec65e66ad5052f8;hp=4beb665a2346d8f5eb6508af8fa79214b0db7b22;hb=c72e237caa22525ab36a8286758e47544db3d496;hpb=5eb72b73d3cd842e71e525413a46a55644ac3583

diff --git a/src/net_socket.c b/src/net_socket.c
index 4beb665a..cb271063 100644
--- a/src/net_socket.c
+++ b/src/net_socket.c
@@ -1,7 +1,7 @@
 /*
     net_socket.c -- Handle various kinds of sockets.
     Copyright (C) 1998-2005 Ivo Timmermans,
-                  2000-2013 Guus Sliepen <guus@tinc-vpn.org>
+                  2000-2014 Guus Sliepen <guus@tinc-vpn.org>
                   2006      Scott Lamb <slamb@slamb.org>
                   2009      Florian Forster <octo@verplant.org>
 
@@ -40,6 +40,7 @@
 #endif
 
 int addressfamily = AF_UNSPEC;
+int mintimeout = 0;
 int maxtimeout = 900;
 int seconds_till_retry = 5;
 int udp_rcvbuf = 0;
@@ -77,6 +78,11 @@ static void configure_tcp(connection_t *c) {
 	option = IPTOS_LOWDELAY;
 	setsockopt(c->socket, SOL_IP, IP_TOS, (void *)&option, sizeof(option));
 #endif
+
+#if defined(IPPROTO_IPV6) && defined(IPV6_TCLASS) && defined(IPTOS_LOWDELAY)
+	option = IPTOS_LOWDELAY;
+	setsockopt(c->socket, IPPROTO_IPV6, IPV6_TCLASS, (void *)&option, sizeof(option));
+#endif
 }
 
 static bool bind_to_interface(int sd) {
@@ -240,8 +246,6 @@ int setup_vpn_in_socket(const sockaddr_t *sa) {
 		option = 1;
 		setsockopt(nfd, IPPROTO_IP, IP_DONTFRAGMENT, (void *)&option, sizeof(option));
 	}
-#else
-#warning No way to disable IPv4 fragmentation
 #endif
 
 #if defined(SOL_IPV6) && defined(IPV6_MTU_DISCOVER) && defined(IPV6_PMTUDISC_DO)
@@ -254,8 +258,6 @@ int setup_vpn_in_socket(const sockaddr_t *sa) {
 		option = 1;
 		setsockopt(nfd, IPPROTO_IPV6, IPV6_DONTFRAG, (void *)&option, sizeof(option));
 	}
-#else
-#warning No way to disable IPv6 fragmentation
 #endif
 
 	if (!bind_to_interface(nfd)) {
@@ -277,6 +279,9 @@ int setup_vpn_in_socket(const sockaddr_t *sa) {
 void retry_outgoing(outgoing_t *outgoing) {
 	outgoing->timeout += 5;
 
+	if(outgoing->timeout < mintimeout)
+		outgoing->timeout = mintimeout;
+
 	if(outgoing->timeout > maxtimeout)
 		outgoing->timeout = maxtimeout;