Fix & cleanup rtm_min/rtm_max

@@ -93,6 +93,8 @@
 #define RTM_MAX		(((__RTM_MAX + 3) & ~3) - 1)
 };
 
+#define RTM_FAM(cmd)	(((cmd) - RTM_BASE) >> 2)
+
 /* 
    Generic structure for encapsulation of optional route information.
    It is reminiscent of sockaddr, but with sa_family replaced

@@ -89,28 +89,31 @@
 
 static const int rtm_min[(RTM_MAX+1-RTM_BASE)/4] =
 {
-	NLMSG_LENGTH(sizeof(struct ifinfomsg)),
-	NLMSG_LENGTH(sizeof(struct ifaddrmsg)),
-	NLMSG_LENGTH(sizeof(struct rtmsg)),
-	NLMSG_LENGTH(sizeof(struct ndmsg)),
-	NLMSG_LENGTH(sizeof(struct rtmsg)),
-	NLMSG_LENGTH(sizeof(struct tcmsg)),
-	NLMSG_LENGTH(sizeof(struct tcmsg)),
-	NLMSG_LENGTH(sizeof(struct tcmsg)),
-	NLMSG_LENGTH(sizeof(struct tcamsg))
+	[RTM_FAM(RTM_NEWLINK)]      = NLMSG_LENGTH(sizeof(struct ifinfomsg)),
+	[RTM_FAM(RTM_NEWADDR)]      = NLMSG_LENGTH(sizeof(struct ifaddrmsg)),
+	[RTM_FAM(RTM_NEWROUTE)]     = NLMSG_LENGTH(sizeof(struct rtmsg)),
+	[RTM_FAM(RTM_NEWNEIGH)]     = NLMSG_LENGTH(sizeof(struct ndmsg)),
+	[RTM_FAM(RTM_NEWRULE)]      = NLMSG_LENGTH(sizeof(struct rtmsg)),
+	[RTM_FAM(RTM_NEWQDISC)]     = NLMSG_LENGTH(sizeof(struct tcmsg)),
+	[RTM_FAM(RTM_NEWTCLASS)]    = NLMSG_LENGTH(sizeof(struct tcmsg)),
+	[RTM_FAM(RTM_NEWTFILTER)]   = NLMSG_LENGTH(sizeof(struct tcmsg)),
+	[RTM_FAM(RTM_NEWACTION)]    = NLMSG_LENGTH(sizeof(struct tcamsg)),
+	[RTM_FAM(RTM_NEWPREFIX)]    = NLMSG_LENGTH(sizeof(struct rtgenmsg)),
+	[RTM_FAM(RTM_GETMULTICAST)] = NLMSG_LENGTH(sizeof(struct rtgenmsg)),
+	[RTM_FAM(RTM_GETANYCAST)]   = NLMSG_LENGTH(sizeof(struct rtgenmsg)),
 };
 
 static const int rta_max[(RTM_MAX+1-RTM_BASE)/4] =
 {
-	IFLA_MAX,
-	IFA_MAX,
-	RTA_MAX,
-	NDA_MAX,
-	RTA_MAX,
-	TCA_MAX,
-	TCA_MAX,
-	TCA_MAX,
-	TCAA_MAX
+	[RTM_FAM(RTM_NEWLINK)]      = IFLA_MAX,
+	[RTM_FAM(RTM_NEWADDR)]      = IFA_MAX,
+	[RTM_FAM(RTM_NEWROUTE)]     = RTA_MAX,
+	[RTM_FAM(RTM_NEWNEIGH)]     = NDA_MAX,
+	[RTM_FAM(RTM_NEWRULE)]      = RTA_MAX,
+	[RTM_FAM(RTM_NEWQDISC)]     = TCA_MAX,
+	[RTM_FAM(RTM_NEWTCLASS)]    = TCA_MAX,
+	[RTM_FAM(RTM_NEWTFILTER)]   = TCA_MAX,
+	[RTM_FAM(RTM_NEWACTION)]    = TCAA_MAX,
 };
 
 void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const void *data)