[IPV4]: Use Protocol Independant Policy Routing Rules Framework

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/ip_fib.h

@@ -18,6 +18,7 @@
 
 #include <net/flow.h>
 #include <linux/seq_file.h>
+#include <net/fib_rules.h>
 
 /* WARNING: The ordering of these elements must match ordering
  *          of RTA_* rtnetlink attribute numbers.
@@ -203,9 +204,8 @@ static inline void fib_select_default(const struct flowi *flp, struct fib_result
 #define ip_fib_main_table (fib_tables[RT_TABLE_MAIN])
 
 extern struct fib_table * fib_tables[RT_TABLE_MAX+1];
-extern int fib_lookup(const struct flowi *flp, struct fib_result *res);
+extern int fib_lookup(struct flowi *flp, struct fib_result *res);
 extern struct fib_table *__fib_new_table(int id);
-extern void fib_rule_put(struct fib_rule *r);
 
 static inline struct fib_table *fib_get_table(int id)
 {
@@ -251,15 +251,15 @@ extern u32  __fib_res_prefsrc(struct fib_result *res);
 extern struct fib_table *fib_hash_init(int id);
 
 #ifdef CONFIG_IP_MULTIPLE_TABLES
-/* Exported by fib_rules.c */
+extern int fib4_rules_dump(struct sk_buff *skb, struct netlink_callback *cb);
+
+extern void __init fib4_rules_init(void);
+extern void __exit fib4_rules_cleanup(void);
 
-extern int inet_rtm_delrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg);
-extern int inet_rtm_newrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg);
-extern int inet_dump_rules(struct sk_buff *skb, struct netlink_callback *cb);
 #ifdef CONFIG_NET_CLS_ROUTE
 extern u32 fib_rules_tclass(struct fib_result *res);
 #endif
-extern void fib_rules_init(void);
+
 #endif
 
 static inline void fib_combine_itag(u32 *itag, struct fib_result *res)

net/ipv4/Kconfig

@@ -88,6 +88,7 @@ config IP_FIB_HASH
 config IP_MULTIPLE_TABLES
 	bool "IP: policy routing"
 	depends on IP_ADVANCED_ROUTER
+	select FIB_RULES
 	---help---
 	  Normally, a router decides what to do with a received packet based
 	  solely on the packet's final destination address. If you say Y here,

net/ipv4/devinet.c

@@ -1151,9 +1151,7 @@ static struct rtnetlink_link inet_rtnetlink_table[RTM_NR_MSGTYPES] = {
 	[RTM_GETROUTE - RTM_BASE] = { .doit	= inet_rtm_getroute,
 				      .dumpit	= inet_dump_fib,	},
 #ifdef CONFIG_IP_MULTIPLE_TABLES
-	[RTM_NEWRULE  - RTM_BASE] = { .doit	= inet_rtm_newrule,	},
-	[RTM_DELRULE  - RTM_BASE] = { .doit	= inet_rtm_delrule,	},
-	[RTM_GETRULE  - RTM_BASE] = { .dumpit	= inet_dump_rules,	},
+	[RTM_GETRULE  - RTM_BASE] = { .dumpit	= fib4_rules_dump,	},
 #endif
 };
 

net/ipv4/fib_frontend.c

@@ -656,7 +656,7 @@ void __init ip_fib_init(void)
 	ip_fib_local_table = fib_hash_init(RT_TABLE_LOCAL);
 	ip_fib_main_table  = fib_hash_init(RT_TABLE_MAIN);
 #else
-	fib_rules_init();
+	fib4_rules_init();
 #endif
 
 	register_netdevice_notifier(&fib_netdev_notifier);