Merge pull request #5438 from ssahani/vxlan-address

networkd: add symlinks for Makefile (netdev and wait-online) , vxlan enhancements.

src/basic/in-addr-util.c

@@ -66,6 +66,18 @@ int in_addr_is_link_local(int family, const union in_addr_union *u) {
         return -EAFNOSUPPORT;
 }
 
+int in_addr_is_multicast(int family, const union in_addr_union *u) {
+        assert(u);
+
+        if (family == AF_INET)
+                return IN_MULTICAST(be32toh(u->in.s_addr));
+
+        if (family == AF_INET6)
+                return IN6_IS_ADDR_MULTICAST(&u->in6);
+
+        return -EAFNOSUPPORT;
+}
+
 bool in4_addr_is_localhost(const struct in_addr *a) {
         assert(a);
 

src/basic/in-addr-util.h

@@ -39,6 +39,8 @@ struct in_addr_data {
 bool in4_addr_is_null(const struct in_addr *a);
 int in_addr_is_null(int family, const union in_addr_union *u);
 
+int in_addr_is_multicast(int family, const union in_addr_union *u);
+
 bool in4_addr_is_link_local(const struct in_addr *a);
 int in_addr_is_link_local(int family, const union in_addr_union *u);