[DECNET]: Covert rules to use generic code

This patch converts the DECnet rules code to use the generic
rules system created by Thomas Graf <tgraf@suug.ch>.
Signed-off-by: Steven Whitehouse <steve@chygwyn.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/rtnetlink.h

@@ -534,7 +534,8 @@ enum rtnetlink_groups {
 	RTNLGRP_NOP2,
 	RTNLGRP_DECnet_ROUTE,
 #define RTNLGRP_DECnet_ROUTE	RTNLGRP_DECnet_ROUTE
-	RTNLGRP_NOP3,
+	RTNLGRP_DECnet_RULE,
+#define RTNLGRP_DECnet_RULE	RTNLGRP_DECnet_RULE
 	RTNLGRP_NOP4,
 	RTNLGRP_IPV6_PREFIX,
 #define RTNLGRP_IPV6_PREFIX	RTNLGRP_IPV6_PREFIX

include/net/dn_fib.h

@@ -22,7 +22,7 @@ struct dn_kern_rta
 };
 
 struct dn_fib_res {
-	struct dn_fib_rule *r;
+	struct fib_rule *r;
 	struct dn_fib_info *fi;
 	unsigned char prefixlen;
 	unsigned char nh_sel;
@@ -147,10 +147,8 @@ extern void dn_fib_table_cleanup(void);
  */
 extern void dn_fib_rules_init(void);
 extern void dn_fib_rules_cleanup(void);
-extern void dn_fib_rule_put(struct dn_fib_rule *);
-extern __le16 dn_fib_rules_policy(__le16 saddr, struct dn_fib_res *res, unsigned *flags);
 extern unsigned dnet_addr_type(__le16 addr);
-extern int dn_fib_lookup(const struct flowi *fl, struct dn_fib_res *res);
+extern int dn_fib_lookup(struct flowi *fl, struct dn_fib_res *res);
 
 /*
  * rtnetlink interface
@@ -176,7 +174,7 @@ static inline void dn_fib_res_put(struct dn_fib_res *res)
 	if (res->fi)
 		dn_fib_info_put(res->fi);
 	if (res->r)
-		dn_fib_rule_put(res->r);
+		fib_rule_put(res->r);
 }
 
 extern struct dn_fib_table *dn_fib_tables[];

net/decnet/Kconfig

@@ -27,6 +27,7 @@ config DECNET
 config DECNET_ROUTER
 	bool "DECnet: router support (EXPERIMENTAL)"
 	depends on DECNET && EXPERIMENTAL
+	select FIB_RULES
 	---help---
 	  Add support for turning your DECnet Endnode into a level 1 or 2
 	  router.  This is an experimental, but functional option.  If you

net/decnet/af_decnet.c

@@ -130,6 +130,7 @@ Version 0.0.6    2.1.110   07-aug-98   Eduardo Marcelo Serrat
 #include <linux/poll.h>
 #include <net/neighbour.h>
 #include <net/dst.h>
+#include <net/fib_rules.h>
 #include <net/dn.h>
 #include <net/dn_nsp.h>
 #include <net/dn_dev.h>

net/decnet/dn_dev.c

@@ -46,6 +46,7 @@
 #include <net/neighbour.h>
 #include <net/dst.h>
 #include <net/flow.h>
+#include <net/fib_rules.h>
 #include <net/dn.h>
 #include <net/dn_dev.h>
 #include <net/dn_route.h>
@@ -1418,8 +1419,6 @@ static struct rtnetlink_link dnet_rtnetlink_table[RTM_NR_MSGTYPES] =
 	[RTM_DELROUTE - RTM_BASE] = { .doit	= dn_fib_rtm_delroute,	},
 	[RTM_GETROUTE - RTM_BASE] = { .doit	= dn_cache_getroute,
 				      .dumpit	= dn_fib_dump,		},
-	[RTM_NEWRULE  - RTM_BASE] = { .doit	= dn_fib_rtm_newrule,	},
-	[RTM_DELRULE  - RTM_BASE] = { .doit	= dn_fib_rtm_delrule,	},
 	[RTM_GETRULE  - RTM_BASE] = { .dumpit	= dn_fib_dump_rules,	},
 #else
 	[RTM_GETROUTE - RTM_BASE] = { .doit	= dn_cache_getroute,

net/decnet/dn_fib.c

@@ -34,6 +34,7 @@
 #include <net/neighbour.h>
 #include <net/dst.h>
 #include <net/flow.h>
+#include <net/fib_rules.h>
 #include <net/dn.h>
 #include <net/dn_route.h>
 #include <net/dn_fib.h>

net/decnet/dn_route.c

@@ -80,6 +80,7 @@
 #include <net/neighbour.h>
 #include <net/dst.h>
 #include <net/flow.h>
+#include <net/fib_rules.h>
 #include <net/dn.h>
 #include <net/dn_dev.h>
 #include <net/dn_nsp.h>
@@ -1284,7 +1285,7 @@ static int dn_route_input_slow(struct sk_buff *skb)
 		dev_hold(out_dev);
 
 		if (res.r)
-			src_map = dn_fib_rules_policy(fl.fld_src, &res, &flags);
+			src_map = fl.fld_src; /* no NAT support for now */
 
 		gateway = DN_FIB_RES_GW(res);
 		if (res.type == RTN_NAT) {

net/decnet/dn_table.c

@@ -30,6 +30,7 @@
 #include <net/neighbour.h>
 #include <net/dst.h>
 #include <net/flow.h>
+#include <net/fib_rules.h>
 #include <net/dn.h>
 #include <net/dn_route.h>
 #include <net/dn_fib.h>