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[IPV4]: Compact some ifdefs in the fib code.

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There are places that check for CONFIG_IP_MULTIPLE_TABLES
twice in the same file, but the internals of these #ifdefs
can be merged.

As a side effect - remove one ifdef from inside a function.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2007-11-06 23:34:04 -08:00 committed by David S. Miller
parent 6a9a025086
commit c3e9a353d8
2 changed files with 14 additions and 16 deletions
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15
include/net/ip_fib.h
View File

@ -185,6 +185,12 @@ static inline void fib_select_default(const struct flowi *flp, struct fib_result
}
#else /* CONFIG_IP_MULTIPLE_TABLES */
extern void __init fib4_rules_init(void);
#ifdef CONFIG_NET_CLS_ROUTE
extern u32 fib_rules_tclass(struct fib_result *res);
#endif
#define ip_fib_local_table fib_get_table(RT_TABLE_LOCAL)
#define ip_fib_main_table fib_get_table(RT_TABLE_MAIN)
@ -214,15 +220,6 @@ extern __be32 __fib_res_prefsrc(struct fib_result *res);
/* Exported by fib_hash.c */
extern struct fib_table *fib_hash_init(u32 id);
#ifdef CONFIG_IP_MULTIPLE_TABLES
extern void __init fib4_rules_init(void);
#ifdef CONFIG_NET_CLS_ROUTE
extern u32 fib_rules_tclass(struct fib_result *res);
#endif
#endif
static inline void fib_combine_itag(u32 *itag, struct fib_result *res)
{
#ifdef CONFIG_NET_CLS_ROUTE

15
net/ipv4/fib_frontend.c
View File

@ -59,6 +59,13 @@ struct fib_table *ip_fib_main_table;
#define FIB_TABLE_HASHSZ 1
static struct hlist_head fib_table_hash[FIB_TABLE_HASHSZ];
static void __init fib4_rules_init(void)
{
ip_fib_local_table = fib_hash_init(RT_TABLE_LOCAL);
hlist_add_head_rcu(&ip_fib_local_table->tb_hlist, &fib_table_hash[0]);
ip_fib_main_table = fib_hash_init(RT_TABLE_MAIN);
hlist_add_head_rcu(&ip_fib_main_table->tb_hlist, &fib_table_hash[0]);
}
#else
#define FIB_TABLE_HASHSZ 256
@ -905,14 +912,8 @@ void __init ip_fib_init(void)
for (i = 0; i < FIB_TABLE_HASHSZ; i++)
INIT_HLIST_HEAD(&fib_table_hash[i]);
#ifndef CONFIG_IP_MULTIPLE_TABLES
ip_fib_local_table = fib_hash_init(RT_TABLE_LOCAL);
hlist_add_head_rcu(&ip_fib_local_table->tb_hlist, &fib_table_hash[0]);
ip_fib_main_table = fib_hash_init(RT_TABLE_MAIN);
hlist_add_head_rcu(&ip_fib_main_table->tb_hlist, &fib_table_hash[0]);
#else
fib4_rules_init();
#endif
register_netdevice_notifier(&fib_netdev_notifier);
register_inetaddr_notifier(&fib_inetaddr_notifier);