diff options
Diffstat (limited to 'net/sched/act_ipt.c')
-rw-r--r-- | net/sched/act_ipt.c | 48 |
1 files changed, 26 insertions, 22 deletions
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c index b8c50600697a..378c1c976058 100644 --- a/net/sched/act_ipt.c +++ b/net/sched/act_ipt.c @@ -31,8 +31,10 @@ #define IPT_TAB_MASK 15 static int ipt_net_id; +static struct tc_action_ops act_ipt_ops; static int xt_net_id; +static struct tc_action_ops act_xt_ops; static int ipt_init_target(struct xt_entry_target *t, char *table, unsigned int hook) @@ -90,8 +92,8 @@ static const struct nla_policy ipt_policy[TCA_IPT_MAX + 1] = { }; static int __tcf_ipt_init(struct tc_action_net *tn, struct nlattr *nla, - struct nlattr *est, struct tc_action *a, int ovr, - int bind) + struct nlattr *est, struct tc_action **a, + const struct tc_action_ops *ops, int ovr, int bind) { struct nlattr *tb[TCA_IPT_MAX + 1]; struct tcf_ipt *ipt; @@ -118,19 +120,19 @@ static int __tcf_ipt_init(struct tc_action_net *tn, struct nlattr *nla, if (tb[TCA_IPT_HOOK] == NULL || tb[TCA_IPT_TARG] == NULL) { if (exists) - tcf_hash_release(a, bind); + tcf_hash_release(*a, bind); return -EINVAL; } td = (struct xt_entry_target *)nla_data(tb[TCA_IPT_TARG]); if (nla_len(tb[TCA_IPT_TARG]) < td->u.target_size) { if (exists) - tcf_hash_release(a, bind); + tcf_hash_release(*a, bind); return -EINVAL; } if (!exists) { - ret = tcf_hash_create(tn, index, est, a, sizeof(*ipt), bind, + ret = tcf_hash_create(tn, index, est, a, ops, bind, false); if (ret) return ret; @@ -138,13 +140,11 @@ static int __tcf_ipt_init(struct tc_action_net *tn, struct nlattr *nla, } else { if (bind)/* dont override defaults */ return 0; - tcf_hash_release(a, bind); + tcf_hash_release(*a, bind); if (!ovr) return -EEXIST; } - ipt = to_ipt(a); - hook = nla_get_u32(tb[TCA_IPT_HOOK]); err = -ENOMEM; @@ -163,6 +163,8 @@ static int __tcf_ipt_init(struct tc_action_net *tn, struct nlattr *nla, if (err < 0) goto err3; + ipt = to_ipt(*a); + spin_lock_bh(&ipt->tcf_lock); if (ret != ACT_P_CREATED) { ipt_destroy_target(ipt->tcfi_t); @@ -174,7 +176,7 @@ static int __tcf_ipt_init(struct tc_action_net *tn, struct nlattr *nla, ipt->tcfi_hook = hook; spin_unlock_bh(&ipt->tcf_lock); if (ret == ACT_P_CREATED) - tcf_hash_insert(tn, a); + tcf_hash_insert(tn, *a); return ret; err3: @@ -183,33 +185,33 @@ err2: kfree(tname); err1: if (ret == ACT_P_CREATED) - tcf_hash_cleanup(a, est); + tcf_hash_cleanup(*a, est); return err; } static int tcf_ipt_init(struct net *net, struct nlattr *nla, - struct nlattr *est, struct tc_action *a, int ovr, + struct nlattr *est, struct tc_action **a, int ovr, int bind) { struct tc_action_net *tn = net_generic(net, ipt_net_id); - return __tcf_ipt_init(tn, nla, est, a, ovr, bind); + return __tcf_ipt_init(tn, nla, est, a, &act_ipt_ops, ovr, bind); } static int tcf_xt_init(struct net *net, struct nlattr *nla, - struct nlattr *est, struct tc_action *a, int ovr, + struct nlattr *est, struct tc_action **a, int ovr, int bind) { struct tc_action_net *tn = net_generic(net, xt_net_id); - return __tcf_ipt_init(tn, nla, est, a, ovr, bind); + return __tcf_ipt_init(tn, nla, est, a, &act_xt_ops, ovr, bind); } static int tcf_ipt(struct sk_buff *skb, const struct tc_action *a, struct tcf_result *res) { int ret = 0, result = 0; - struct tcf_ipt *ipt = a->priv; + struct tcf_ipt *ipt = to_ipt(a); struct xt_action_param par; if (skb_unclone(skb, GFP_ATOMIC)) @@ -259,7 +261,7 @@ static int tcf_ipt_dump(struct sk_buff *skb, struct tc_action *a, int bind, int ref) { unsigned char *b = skb_tail_pointer(skb); - struct tcf_ipt *ipt = a->priv; + struct tcf_ipt *ipt = to_ipt(a); struct xt_entry_target *t; struct tcf_t tm; struct tc_cnt c; @@ -299,14 +301,14 @@ nla_put_failure: static int tcf_ipt_walker(struct net *net, struct sk_buff *skb, struct netlink_callback *cb, int type, - struct tc_action *a) + const struct tc_action_ops *ops) { struct tc_action_net *tn = net_generic(net, ipt_net_id); - return tcf_generic_walker(tn, skb, cb, type, a); + return tcf_generic_walker(tn, skb, cb, type, ops); } -static int tcf_ipt_search(struct net *net, struct tc_action *a, u32 index) +static int tcf_ipt_search(struct net *net, struct tc_action **a, u32 index) { struct tc_action_net *tn = net_generic(net, ipt_net_id); @@ -323,6 +325,7 @@ static struct tc_action_ops act_ipt_ops = { .init = tcf_ipt_init, .walk = tcf_ipt_walker, .lookup = tcf_ipt_search, + .size = sizeof(struct tcf_ipt), }; static __net_init int ipt_init_net(struct net *net) @@ -348,14 +351,14 @@ static struct pernet_operations ipt_net_ops = { static int tcf_xt_walker(struct net *net, struct sk_buff *skb, struct netlink_callback *cb, int type, - struct tc_action *a) + const struct tc_action_ops *ops) { struct tc_action_net *tn = net_generic(net, xt_net_id); - return tcf_generic_walker(tn, skb, cb, type, a); + return tcf_generic_walker(tn, skb, cb, type, ops); } -static int tcf_xt_search(struct net *net, struct tc_action *a, u32 index) +static int tcf_xt_search(struct net *net, struct tc_action **a, u32 index) { struct tc_action_net *tn = net_generic(net, xt_net_id); @@ -372,6 +375,7 @@ static struct tc_action_ops act_xt_ops = { .init = tcf_xt_init, .walk = tcf_xt_walker, .lookup = tcf_xt_search, + .size = sizeof(struct tcf_ipt), }; static __net_init int xt_init_net(struct net *net) |