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| author | Patrick McHardy <kaber@trash.net> | 2006-08-11 08:10:46 +0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-09-22 23:54:26 +0200 |
| commit | 1af5a8c4a11cfed0c9a7f30fcfb689981750599c (patch) | |
| tree | 9affafefd0b4a023d527e3f5d386957bd1dace7b /include/net/ip_fib.h | |
| parent | [NET]: Introduce RTA_TABLE/FRA_TABLE attributes (diff) | |
| download | linux-1af5a8c4a11cfed0c9a7f30fcfb689981750599c.tar.xz linux-1af5a8c4a11cfed0c9a7f30fcfb689981750599c.zip | |
[IPV4]: Increase number of possible routing tables to 2^32
Increase the number of possible routing tables to 2^32 by replacing the
fixed sized array of pointers by a hash table and replacing iterations
over all possible table IDs by hash table walking.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip_fib.h')
| -rw-r--r-- | include/net/ip_fib.h | 25 |
1 files changed, 5 insertions, 20 deletions
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 0dcbf166eb94..8e9ba563d342 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -150,6 +150,7 @@ struct fib_result_nl { #endif /* CONFIG_IP_ROUTE_MULTIPATH_WRANDOM */ struct fib_table { + struct hlist_node tb_hlist; u32 tb_id; unsigned tb_stamp; int (*tb_lookup)(struct fib_table *tb, const struct flowi *flp, struct fib_result *res); @@ -200,29 +201,13 @@ static inline void fib_select_default(const struct flowi *flp, struct fib_result } #else /* CONFIG_IP_MULTIPLE_TABLES */ -#define ip_fib_local_table (fib_tables[RT_TABLE_LOCAL]) -#define ip_fib_main_table (fib_tables[RT_TABLE_MAIN]) +#define ip_fib_local_table fib_get_table(RT_TABLE_LOCAL) +#define ip_fib_main_table fib_get_table(RT_TABLE_MAIN) -extern struct fib_table * fib_tables[RT_TABLE_MAX+1]; extern int fib_lookup(struct flowi *flp, struct fib_result *res); -extern struct fib_table *__fib_new_table(u32 id); - -static inline struct fib_table *fib_get_table(u32 id) -{ - if (id == 0) - id = RT_TABLE_MAIN; - - return fib_tables[id]; -} - -static inline struct fib_table *fib_new_table(u32 id) -{ - if (id == 0) - id = RT_TABLE_MAIN; - - return fib_tables[id] ? : __fib_new_table(id); -} +extern struct fib_table *fib_new_table(u32 id); +extern struct fib_table *fib_get_table(u32 id); extern void fib_select_default(const struct flowi *flp, struct fib_result *res); #endif /* CONFIG_IP_MULTIPLE_TABLES */ |