mcast-snooping: Add Multicast Listener Discovery support

[cascardo/ovs.git] / lib / packets.c

diff --git a/lib/packets.c b/lib/packets.c
index d04fffc..b37abde 100644 (file)
--- a/lib/packets.c
+++ b/lib/packets.c
@@ -34,6 +34,7 @@
 #include "unaligned.h"
 
 const struct in6_addr in6addr_exact = IN6ADDR_EXACT_INIT;
+const struct in6_addr in6addr_all_hosts = IN6ADDR_ALL_HOSTS_INIT;
 
 /* Parses 's' as a 16-digit hexadecimal number representing a datapath ID.  On
  * success stores the dpid into '*dpidp' and returns true, on failure stores 0
@@ -437,6 +438,17 @@ print_ipv6_addr(struct ds *string, const struct in6_addr *addr)
     string->length += strlen(dst);
 }
 
+void
+print_ipv6_mapped(struct ds *s, const struct in6_addr *addr)
+{
+    if (IN6_IS_ADDR_V4MAPPED(addr)) {
+        ds_put_format(s, IP_FMT, addr->s6_addr[12], addr->s6_addr[13],
+                                 addr->s6_addr[14], addr->s6_addr[15]);
+    } else {
+        print_ipv6_addr(s, addr);
+    }
+}
+
 void
 print_ipv6_masked(struct ds *s, const struct in6_addr *addr,
                   const struct in6_addr *mask)