diff options
Diffstat (limited to 'net/ipv6/ip6_fib.c')
| -rw-r--r-- | net/ipv6/ip6_fib.c | 71 |
1 files changed, 48 insertions, 23 deletions
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index c70fd38b54b7..04d774963f3c 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -166,20 +166,14 @@ static __inline__ void rt6_release(struct rt6_info *rt) dst_free(&rt->u.dst); } -static struct fib6_table fib6_main_tbl = { - .tb6_id = RT6_TABLE_MAIN, - .tb6_root = { - .leaf = &ip6_null_entry, - .fn_flags = RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO, - }, -}; +static struct fib6_table *fib6_main_tbl; #ifdef CONFIG_IPV6_MULTIPLE_TABLES #define FIB_TABLE_HASHSZ 256 #else #define FIB_TABLE_HASHSZ 1 #endif -static struct hlist_head fib_table_hash[FIB_TABLE_HASHSZ]; +static struct hlist_head *fib_table_hash; static void fib6_link_table(struct fib6_table *tb) { @@ -201,13 +195,8 @@ static void fib6_link_table(struct fib6_table *tb) } #ifdef CONFIG_IPV6_MULTIPLE_TABLES -static struct fib6_table fib6_local_tbl = { - .tb6_id = RT6_TABLE_LOCAL, - .tb6_root = { - .leaf = &ip6_null_entry, - .fn_flags = RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO, - }, -}; + +static struct fib6_table *fib6_local_tbl; static struct fib6_table *fib6_alloc_table(u32 id) { @@ -263,8 +252,8 @@ struct fib6_table *fib6_get_table(u32 id) static void __init fib6_tables_init(void) { - fib6_link_table(&fib6_main_tbl); - fib6_link_table(&fib6_local_tbl); + fib6_link_table(fib6_main_tbl); + fib6_link_table(fib6_local_tbl); } #else @@ -276,18 +265,18 @@ struct fib6_table *fib6_new_table(u32 id) struct fib6_table *fib6_get_table(u32 id) { - return &fib6_main_tbl; + return fib6_main_tbl; } struct dst_entry *fib6_rule_lookup(struct flowi *fl, int flags, pol_lookup_t lookup) { - return (struct dst_entry *) lookup(&fib6_main_tbl, fl, flags); + return (struct dst_entry *) lookup(fib6_main_tbl, fl, flags); } static void __init fib6_tables_init(void) { - fib6_link_table(&fib6_main_tbl); + fib6_link_table(fib6_main_tbl); } #endif @@ -1479,22 +1468,53 @@ void fib6_run_gc(unsigned long dummy) int __init fib6_init(void) { - int ret; + int ret = -ENOMEM; fib6_node_kmem = kmem_cache_create("fib6_nodes", sizeof(struct fib6_node), 0, SLAB_HWCACHE_ALIGN, NULL); if (!fib6_node_kmem) - return -ENOMEM; + goto out; + + fib_table_hash = kzalloc(sizeof(*fib_table_hash)*FIB_TABLE_HASHSZ, + GFP_KERNEL); + if (!fib_table_hash) + goto out_kmem_cache_create; + + fib6_main_tbl = kzalloc(sizeof(*fib6_main_tbl), GFP_KERNEL); + if (!fib6_main_tbl) + goto out_fib_table_hash; + + fib6_main_tbl->tb6_id = RT6_TABLE_MAIN; + fib6_main_tbl->tb6_root.leaf = &ip6_null_entry; + fib6_main_tbl->tb6_root.fn_flags = RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO; + +#ifdef CONFIG_IPV6_MULTIPLE_TABLES + fib6_local_tbl = kzalloc(sizeof(*fib6_local_tbl), GFP_KERNEL); + if (!fib6_local_tbl) + goto out_fib6_main_tbl; + + fib6_local_tbl->tb6_id = RT6_TABLE_LOCAL; + fib6_local_tbl->tb6_root.leaf = &ip6_null_entry; + fib6_local_tbl->tb6_root.fn_flags = RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO; +#endif fib6_tables_init(); ret = __rtnl_register(PF_INET6, RTM_GETROUTE, NULL, inet6_dump_fib); if (ret) - goto out_kmem_cache_create; + goto out_fib6_local_tbl; out: return ret; +out_fib6_local_tbl: +#ifdef CONFIG_IPV6_MULTIPLE_TABLES + kfree(fib6_local_tbl); +out_fib6_main_tbl: +#endif + kfree(fib6_main_tbl); +out_fib_table_hash: + kfree(fib_table_hash); out_kmem_cache_create: kmem_cache_destroy(fib6_node_kmem); goto out; @@ -1503,5 +1523,10 @@ out_kmem_cache_create: void fib6_gc_cleanup(void) { del_timer(&ip6_fib_timer); +#ifdef CONFIG_IPV6_MULTIPLE_TABLES + kfree(fib6_local_tbl); +#endif + kfree(fib6_main_tbl); + kfree(fib_table_hash); kmem_cache_destroy(fib6_node_kmem); } |