Unpack metrics

lib/netlink/constants.rb

@@ -183,6 +183,23 @@ module Netlink
   RTA_CACHEINFO		= 12
   RTA_TABLE		= 15
   
+  # Keys for Route#metrics
+  RTAX_UNSPEC		= 0
+  RTAX_LOCK		= 1
+  RTAX_MTU		= 2
+  RTAX_WINDOW		= 3
+  RTAX_RTT		= 4
+  RTAX_RTTVAR		= 5
+  RTAX_SSTHRESH		= 6
+  RTAX_CWND		= 7
+  RTAX_ADVMSS		= 8
+  RTAX_REORDERING	= 9
+  RTAX_HOPLIMIT		= 10
+  RTAX_INITCWND		= 11
+  RTAX_FEATURES		= 12
+  RTAX_RTO_MIN		= 13
+  RTAX_INITRWND		= 14
+    
   # from linux/if_link.h
   IFLA_UNSPEC		= 0
   IFLA_ADDRESS		= 1