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Use IP_DONTFRAGMENT instead of IP_MTU_DISCOVER on Windows.
[tinc]
/
src
/
net_socket.c
diff --git
a/src/net_socket.c
b/src/net_socket.c
index
baf0227
..
f5a569b
100644
(file)
--- a/
src/net_socket.c
+++ b/
src/net_socket.c
@@
-279,6
+279,11
@@
int setup_vpn_in_socket(const sockaddr_t *sa) {
option = IP_PMTUDISC_DO;
setsockopt(nfd, SOL_IP, IP_MTU_DISCOVER, &option, sizeof(option));
}
option = IP_PMTUDISC_DO;
setsockopt(nfd, SOL_IP, IP_MTU_DISCOVER, &option, sizeof(option));
}
+#elif defined(IPPROTO_IP) && defined(IP_DONTFRAGMENT)
+ if(myself->options & OPTION_PMTU_DISCOVERY) {
+ option = 1;
+ setsockopt(nfd, IPPROTO_IP, IP_DONTFRAGMENT, &option, sizeof(option));
+ }
#endif
#if defined(SOL_IPV6) && defined(IPV6_MTU_DISCOVER) && defined(IPV6_PMTUDISC_DO)
#endif
#if defined(SOL_IPV6) && defined(IPV6_MTU_DISCOVER) && defined(IPV6_PMTUDISC_DO)