X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet_packet.c;h=dbf65463df9ad7624d4bc0723716d10a8c1f127f;hp=d11d58ad2b899ea4600c5df27a4e4fa4c371b3b6;hb=c72e237caa22525ab36a8286758e47544db3d496;hpb=ac11a79ba7d56e8c770b3dd4c503b9243c4ea4e3

diff --git a/src/net_packet.c b/src/net_packet.c
index d11d58ad..dbf65463 100644
--- a/src/net_packet.c
+++ b/src/net_packet.c
@@ -415,7 +415,7 @@ static void send_udppacket(node_t *n, vpn_packet_t *origpkt) {
 	vpn_packet_t *outpkt;
 	int origlen;
 	int outlen, outpad;
-#if defined(SOL_IP) && defined(IP_TOS)
+#if (defined(SOL_IP) && defined(IP_TOS)) || (defined(IPPROTO_IPV6) && defined(IPV6_TCLASS))
 	static int priority = 0;
 #endif
 	int origpriority;
@@ -550,15 +550,23 @@ static void send_udppacket(node_t *n, vpn_packet_t *origpkt) {
 	}
 
 #if defined(SOL_IP) && defined(IP_TOS)
-	if(priorityinheritance && origpriority != priority
-	   && listen_socket[n->sock].sa.sa.sa_family == AF_INET) {
+	if(priorityinheritance && origpriority != priority && listen_socket[n->sock].sa.sa.sa_family == AF_INET) {
 		priority = origpriority;
-		ifdebug(TRAFFIC) logger(LOG_DEBUG, "Setting outgoing packet priority to %d", priority);
+		ifdebug(TRAFFIC) logger(LOG_DEBUG, "Setting IPv4 outgoing packet priority to %d", priority);
 		if(setsockopt(listen_socket[n->sock].udp, SOL_IP, IP_TOS, &priority, sizeof(priority)))	/* SO_PRIORITY doesn't seem to work */
 			logger(LOG_ERR, "System call `%s' failed: %s", "setsockopt", strerror(errno));
 	}
 #endif
 
+#if defined(IPPROTO_IPV6) && defined(IPV6_TCLASS)
+	if(priorityinheritance && origpriority != priority && listen_socket[n->sock].sa.sa.sa_family == AF_INET6) {
+		priority = origpriority;
+		ifdebug(TRAFFIC) logger(LOG_DEBUG, "Setting IPv6 outgoing packet priority to %d", priority);
+		if(setsockopt(listen_socket[n->sock].udp, IPPROTO_IPV6, IPV6_TCLASS, &priority, sizeof(priority)))	/* SO_PRIORITY doesn't seem to work */
+			logger(LOG_ERR, "System call `%s' failed: %s", "setsockopt", strerror(errno));
+	}
+#endif
+
 	if(sendto(listen_socket[sock].udp, (char *) &inpkt->seqno, inpkt->len, 0, sa, sl) < 0 && !sockwouldblock(sockerrno)) {
 		if(sockmsgsize(sockerrno)) {
 			if(n->maxmtu >= origlen)