Get rid of a warning when compiling tinc using MinGW.

[tinc] / src / net_packet.c

diff --git a/src/net_packet.c b/src/net_packet.c
index d11d58a..5f6d9d5 100644 (file)
--- a/src/net_packet.c
+++ b/src/net_packet.c
@@ -1,7 +1,7 @@
 /*
     net_packet.c -- Handles in- and outgoing VPN packets
     Copyright (C) 1998-2005 Ivo Timmermans,
-                  2000-2014 Guus Sliepen <guus@tinc-vpn.org>
+                  2000-2015 Guus Sliepen <guus@tinc-vpn.org>
                   2010      Timothy Redaelli <timothy@redaelli.eu>
                   2010      Brandon Black <blblack@gmail.com>
 
@@ -276,7 +276,7 @@ static void receive_udppacket(node_t *n, vpn_packet_t *inpkt) {
        vpn_packet_t pkt1, pkt2;
        vpn_packet_t *pkt[] = { &pkt1, &pkt2, &pkt1, &pkt2 };
        int nextpkt = 0;
-       vpn_packet_t *outpkt = pkt[0];
+       vpn_packet_t *outpkt;
        int outlen, outpad;
        unsigned char hmac[EVP_MAX_MD_SIZE];
        int i;
@@ -415,9 +415,6 @@ 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)
-       static int priority = 0;
-#endif
        int origpriority;
 
        if(!n->status.reachable) {
@@ -549,15 +546,27 @@ static void send_udppacket(node_t *n, vpn_packet_t *origpkt) {
                sock = n->sock;
        }
 
+       if(priorityinheritance && origpriority != listen_socket[n->sock].priority) {
+               listen_socket[n->sock].priority = origpriority;
+               switch(listen_socket[n->sock].sa.sa.sa_family) {
 #if defined(SOL_IP) && defined(IP_TOS)
-       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);
-               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));
-       }
+               case AF_INET:
+                       ifdebug(TRAFFIC) logger(LOG_DEBUG, "Setting IPv4 outgoing packet priority to %d", origpriority);
+                       if(setsockopt(listen_socket[n->sock].udp, SOL_IP, IP_TOS, (void *)&origpriority, sizeof(origpriority))) /* SO_PRIORITY doesn't seem to work */
+                               logger(LOG_ERR, "System call `%s' failed: %s", "setsockopt", strerror(errno));
+                       break;
 #endif
+#if defined(IPPROTO_IPV6) && defined(IPV6_TCLASS)
+               case AF_INET6:
+                       ifdebug(TRAFFIC) logger(LOG_DEBUG, "Setting IPv6 outgoing packet priority to %d", origpriority);
+                       if(setsockopt(listen_socket[n->sock].udp, IPPROTO_IPV6, IPV6_TCLASS, (void *)&origpriority, sizeof(origpriority)))
+                               logger(LOG_ERR, "System call `%s' failed: %s", "setsockopt", strerror(errno));
+                       break;
+#endif
+               default:
+                       break;
+               }
+       }
 
        if(sendto(listen_socket[sock].udp, (char *) &inpkt->seqno, inpkt->len, 0, sa, sl) < 0 && !sockwouldblock(sockerrno)) {
                if(sockmsgsize(sockerrno)) {