diff options
Diffstat (limited to 'net/sched/act_nat.c')
| -rw-r--r-- | net/sched/act_nat.c | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c index 876f0ef29694..584e65503edb 100644 --- a/net/sched/act_nat.c +++ b/net/sched/act_nat.c @@ -30,15 +30,9 @@ #define NAT_TAB_MASK 15 -static struct tcf_common *tcf_nat_ht[NAT_TAB_MASK + 1]; static u32 nat_idx_gen; -static DEFINE_RWLOCK(nat_lock); -static struct tcf_hashinfo nat_hash_info = { - .htab = tcf_nat_ht, - .hmask = NAT_TAB_MASK, - .lock = &nat_lock, -}; +static struct tcf_hashinfo nat_hash_info; static const struct nla_policy nat_policy[TCA_NAT_MAX + 1] = { [TCA_NAT_PARMS] = { .len = sizeof(struct tc_nat) }, @@ -70,15 +64,15 @@ static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est, &nat_idx_gen, &nat_hash_info); if (IS_ERR(pc)) return PTR_ERR(pc); - p = to_tcf_nat(pc); ret = ACT_P_CREATED; } else { - p = to_tcf_nat(pc); - if (!ovr) { - tcf_hash_release(pc, bind, &nat_hash_info); + if (bind) + return 0; + tcf_hash_release(pc, bind, &nat_hash_info); + if (!ovr) return -EEXIST; - } } + p = to_tcf_nat(pc); spin_lock_bh(&p->tcf_lock); p->old_addr = parm->old_addr; @@ -308,9 +302,7 @@ static struct tc_action_ops act_nat_ops = { .act = tcf_nat, .dump = tcf_nat_dump, .cleanup = tcf_nat_cleanup, - .lookup = tcf_hash_search, .init = tcf_nat_init, - .walk = tcf_generic_walker }; MODULE_DESCRIPTION("Stateless NAT actions"); @@ -318,12 +310,16 @@ MODULE_LICENSE("GPL"); static int __init nat_init_module(void) { + int err = tcf_hashinfo_init(&nat_hash_info, NAT_TAB_MASK); + if (err) + return err; return tcf_register_action(&act_nat_ops); } static void __exit nat_cleanup_module(void) { tcf_unregister_action(&act_nat_ops); + tcf_hashinfo_destroy(&nat_hash_info); } module_init(nat_init_module); |