diff options
Diffstat (limited to 'net/sched/act_nat.c')
| -rw-r--r-- | net/sched/act_nat.c | 46 |
1 files changed, 11 insertions, 35 deletions
diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c index 876f0ef2969..270a030d5fd 100644 --- a/net/sched/act_nat.c +++ b/net/sched/act_nat.c @@ -30,15 +30,6 @@ #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 const struct nla_policy nat_policy[TCA_NAT_MAX + 1] = { [TCA_NAT_PARMS] = { .len = sizeof(struct tc_nat) }, @@ -51,7 +42,6 @@ static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_nat *parm; int ret = 0, err; struct tcf_nat *p; - struct tcf_common *pc; if (nla == NULL) return -EINVAL; @@ -64,21 +54,19 @@ static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est, return -EINVAL; parm = nla_data(tb[TCA_NAT_PARMS]); - pc = tcf_hash_check(parm->index, a, bind, &nat_hash_info); - if (!pc) { - pc = tcf_hash_create(parm->index, est, a, sizeof(*p), bind, - &nat_idx_gen, &nat_hash_info); - if (IS_ERR(pc)) - return PTR_ERR(pc); - p = to_tcf_nat(pc); + if (!tcf_hash_check(parm->index, a, bind)) { + ret = tcf_hash_create(parm->index, est, a, sizeof(*p), bind); + if (ret) + return ret; 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(a, bind); + if (!ovr) return -EEXIST; - } } + p = to_tcf_nat(a); spin_lock_bh(&p->tcf_lock); p->old_addr = parm->old_addr; @@ -90,18 +78,11 @@ static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est, spin_unlock_bh(&p->tcf_lock); if (ret == ACT_P_CREATED) - tcf_hash_insert(pc, &nat_hash_info); + tcf_hash_insert(a); return ret; } -static int tcf_nat_cleanup(struct tc_action *a, int bind) -{ - struct tcf_nat *p = a->priv; - - return tcf_hash_release(&p->common, bind, &nat_hash_info); -} - static int tcf_nat(struct sk_buff *skb, const struct tc_action *a, struct tcf_result *res) { @@ -301,16 +282,11 @@ nla_put_failure: static struct tc_action_ops act_nat_ops = { .kind = "nat", - .hinfo = &nat_hash_info, .type = TCA_ACT_NAT, - .capab = TCA_CAP_NONE, .owner = THIS_MODULE, .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"); @@ -318,7 +294,7 @@ MODULE_LICENSE("GPL"); static int __init nat_init_module(void) { - return tcf_register_action(&act_nat_ops); + return tcf_register_action(&act_nat_ops, NAT_TAB_MASK); } static void __exit nat_cleanup_module(void) |
