[NETLINK]: Allocate and kill some netlink numbers.

NETLINK_ARPD is unused, allocate it to the Open-iSCSI folks.

NETLINK_ROUTE6 and NETLINK_TAPBASE are no longer used, delete
them.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/linux/netlink.h

@@ -12,15 +12,13 @@
 #define NETLINK_NFLOG		5	/* netfilter/iptables ULOG */
 #define NETLINK_XFRM		6	/* ipsec */
 #define NETLINK_SELINUX		7	/* SELinux event notifications */
-#define NETLINK_ARPD		8
+#define NETLINK_ISCSI		8	/* Open-iSCSI */
 #define NETLINK_AUDIT		9	/* auditing */
 #define NETLINK_FIB_LOOKUP	10	
-#define NETLINK_ROUTE6		11	/* af_inet6 route comm channel */
 #define NETLINK_NETFILTER	12	/* netfilter subsystem */
 #define NETLINK_IP6_FW		13
 #define NETLINK_DNRTMSG		14	/* DECnet routing messages */
 #define NETLINK_KOBJECT_UEVENT	15	/* Kernel messages to userspace */
-#define NETLINK_TAPBASE		16	/* 16 to 31 are ethertap */
 
 #define MAX_LINKS 32