platform: Add support for IPv6 tokenized identifiers on Linuxlr/ipv6-tokens

1 files changed, 34 insertions, 0 deletions

diff --git a/src/platform/nm-linux-platform.c b/src/platform/nm-linux-platform.c
index fa7919b003..091791f4b8 100644
--- a/src/platform/nm-linux-platform.c
+++ b/src/platform/nm-linux-platform.c
@@ -2515,6 +2515,38 @@ link_set_noarp (NMPlatform *platform, int ifindex)
 }
 
 static gboolean
+link_get_ipv6_token (NMPlatform *platform, int ifindex, NMUtilsIPv6IfaceId *iid)
+{
+#if HAVE_LIBNL_INET6_TOKEN
+	auto_nl_object struct rtnl_link *rtnllink = link_get (platform, ifindex);
+	struct nl_addr *nladdr;
+	struct in6_addr *addr;
+
+	if (rtnllink &&
+	    (rtnl_link_inet6_get_token (rtnllink, &nladdr)) == 0) {
+		if (nl_addr_get_family (nladdr) != AF_INET6 ||
+		    nl_addr_get_len (nladdr) != sizeof (struct in6_addr)) {
+			nl_addr_put (nladdr);
+			return FALSE;
+		}
+
+		addr = nl_addr_get_binary_addr (nladdr);
+		iid->id_u8[7] = addr->s6_addr[15];
+		iid->id_u8[6] = addr->s6_addr[14];
+		iid->id_u8[5] = addr->s6_addr[13];
+		iid->id_u8[4] = addr->s6_addr[12];
+		iid->id_u8[3] = addr->s6_addr[11];
+		iid->id_u8[2] = addr->s6_addr[10];
+		iid->id_u8[1] = addr->s6_addr[9];
+		iid->id_u8[0] = addr->s6_addr[8];
+		nl_addr_put (nladdr);
+		return TRUE;
+	}
+#endif
+	return FALSE;
+}
+
+static gboolean
 link_get_user_ipv6ll_enabled (NMPlatform *platform, int ifindex)
 {
 #if HAVE_LIBNL_INET6_ADDR_GEN_MODE
@@ -4583,6 +4615,8 @@ nm_linux_platform_class_init (NMLinuxPlatformClass *klass)
 	platform_class->link_is_connected = link_is_connected;
 	platform_class->link_uses_arp = link_uses_arp;
 
+	platform_class->link_get_ipv6_token = link_get_ipv6_token;
+
 	platform_class->link_get_user_ipv6ll_enabled = link_get_user_ipv6ll_enabled;
 	platform_class->link_set_user_ipv6ll_enabled = link_set_user_ipv6ll_enabled;