net_sched: act: hide struct tcf_common from API
Now we can totally hide it from modules. tcf_hash_*() API's
will operate on struct tc_action, modules don't need to care about
the details.
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c
index 2210187..f0f6e7a 100644
--- a/net/sched/act_csum.c
+++ b/net/sched/act_csum.c
@@ -48,7 +48,6 @@
{
struct nlattr *tb[TCA_CSUM_MAX + 1];
struct tc_csum *parm;
- struct tcf_common *pc;
struct tcf_csum *p;
int ret = 0, err;
@@ -63,38 +62,31 @@
return -EINVAL;
parm = nla_data(tb[TCA_CSUM_PARMS]);
- pc = tcf_hash_check(parm->index, a, bind);
- if (!pc) {
- pc = tcf_hash_create(parm->index, est, a, sizeof(*p), bind);
- if (IS_ERR(pc))
- return PTR_ERR(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 {
if (bind)/* dont override defaults */
return 0;
- tcf_hash_release(pc, bind, a->ops->hinfo);
+ tcf_hash_release(a, bind);
if (!ovr)
return -EEXIST;
}
- p = to_tcf_csum(pc);
+ p = to_tcf_csum(a);
spin_lock_bh(&p->tcf_lock);
p->tcf_action = parm->action;
p->update_flags = parm->update_flags;
spin_unlock_bh(&p->tcf_lock);
if (ret == ACT_P_CREATED)
- tcf_hash_insert(pc, a->ops->hinfo);
+ tcf_hash_insert(a);
return ret;
}
-static int tcf_csum_cleanup(struct tc_action *a, int bind)
-{
- struct tcf_csum *p = a->priv;
- return tcf_hash_release(&p->common, bind, &csum_hash_info);
-}
-
/**
* tcf_csum_skb_nextlayer - Get next layer pointer
* @skb: sk_buff to use
@@ -574,7 +566,7 @@
.owner = THIS_MODULE,
.act = tcf_csum,
.dump = tcf_csum_dump,
- .cleanup = tcf_csum_cleanup,
+ .cleanup = tcf_hash_release,
.init = tcf_csum_init,
};