projects
/
tinc
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
Try to set DF bit on BSDs as well.
[tinc]
/
src
/
net_socket.c
diff --git
a/src/net_socket.c
b/src/net_socket.c
index
cd41e37
..
9538806
100644
(file)
--- a/
src/net_socket.c
+++ b/
src/net_socket.c
@@
-261,9
+261,13
@@
int setup_vpn_in_socket(const sockaddr_t *sa) {
option = 1;
setsockopt(nfd, SOL_SOCKET, SO_REUSEADDR, &option, sizeof(option));
option = 1;
setsockopt(nfd, SOL_SOCKET, SO_REUSEADDR, &option, sizeof(option));
-#if defined(
SOL
_IPV6) && defined(IPV6_V6ONLY)
+#if defined(
IPPROTO
_IPV6) && defined(IPV6_V6ONLY)
if(sa->sa.sa_family == AF_INET6)
if(sa->sa.sa_family == AF_INET6)
- setsockopt(nfd, SOL_IPV6, IPV6_V6ONLY, &option, sizeof option);
+ setsockopt(nfd, IPPROTO_IPV6, IPV6_V6ONLY, &option, sizeof option);
+#endif
+
+#if defined(IP_DONTFRAG) && !defined(IP_DONTFRAGMENT)
+#define IP_DONTFRAGMENT IP_DONTFRAG
#endif
#if defined(SOL_IP) && defined(IP_MTU_DISCOVER) && defined(IP_PMTUDISC_DO)
#endif
#if defined(SOL_IP) && defined(IP_MTU_DISCOVER) && defined(IP_PMTUDISC_DO)
@@
-276,6
+280,8
@@
int setup_vpn_in_socket(const sockaddr_t *sa) {
option = 1;
setsockopt(nfd, IPPROTO_IP, IP_DONTFRAGMENT, &option, sizeof(option));
}
option = 1;
setsockopt(nfd, IPPROTO_IP, IP_DONTFRAGMENT, &option, sizeof(option));
}
+#else
+#warning No way to disable IPv4 fragmentation
#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)
@@
-283,6
+289,13
@@
int setup_vpn_in_socket(const sockaddr_t *sa) {
option = IPV6_PMTUDISC_DO;
setsockopt(nfd, SOL_IPV6, IPV6_MTU_DISCOVER, &option, sizeof(option));
}
option = IPV6_PMTUDISC_DO;
setsockopt(nfd, SOL_IPV6, IPV6_MTU_DISCOVER, &option, sizeof(option));
}
+#elif defined(IPPROTO_IPV6) && defined(IPV6_DONTFRAG)
+ if(myself->options & OPTION_PMTU_DISCOVERY) {
+ option = 1;
+ setsockopt(nfd, IPPROTO_IPV6, IPV6_DONTFRAG, &option, sizeof(option));
+ }
+#else
+#warning No way to disable IPv6 fragmentation
#endif
if (!bind_to_interface(nfd)) {
#endif
if (!bind_to_interface(nfd)) {