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-rw-r--r--lib/sockunion.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/sockunion.c b/lib/sockunion.c
index 10224a05..59770529 100644
--- a/lib/sockunion.c
+++ b/lib/sockunion.c
@@ -527,6 +527,46 @@ sockopt_ttl (int family, int sock, int ttl)
}
int
+sockopt_cork (int sock, int onoff)
+{
+#ifdef TCP_CORK
+ return setsockopt (sock, IPPROTO_TCP, TCP_CORK, &onoff, sizeof(onoff));
+#else
+ return 0;
+#endif
+}
+
+int
+sockopt_minttl (int family, int sock, int minttl)
+{
+#ifdef IP_MINTTL
+ if (family == AF_INET)
+ {
+ int ret = setsockopt (sock, IPPROTO_IP, IP_MINTTL, &minttl, sizeof(minttl));
+ if (ret < 0)
+ zlog (NULL, LOG_WARNING,
+ "can't set sockopt IP_MINTTL to %d on socket %d: %s",
+ minttl, sock, safe_strerror (errno));
+ return ret;
+ }
+#endif /* IP_MINTTL */
+#ifdef IPV6_MINHOPCNT
+ if (family == AF_INET6)
+ {
+ int ret = setsockopt (sock, IPPROTO_IPV6, IPV6_MINHOPCNT, &minttl, sizeof(minttl));
+ if (ret < 0)
+ zlog (NULL, LOG_WARNING,
+ "can't set sockopt IPV6_MINHOPCNT to %d on socket %d: %s",
+ minttl, sock, safe_strerror (errno));
+ return ret;
+ }
+#endif
+
+ errno = EOPNOTSUPP;
+ return -1;
+}
+
+int
sockopt_v6only (int family, int sock)
{
int ret, on = 1;