--- zzzz-none-000/linux-4.19.183/include/uapi/linux/netlink.h	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/include/uapi/linux/netlink.h	2023-06-28 08:54:20.000000000 +0000
@@ -32,6 +32,9 @@
 
 #define NETLINK_INET_DIAG	NETLINK_SOCK_DIAG
 
+#define NETLINK_AUDIO		26	/* nlaudio-port (avm-specific) */
+#define NETLINK_AUDIO_MAXPAYLOAD 3086	/* nlaudio-payload (avm-specific) */
+
 #define MAX_LINKS 32		
 
 struct sockaddr_nl {