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_mirred.c b/net/sched/act_mirred.c
index 0b2c6d3..3edeeca 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -33,8 +33,9 @@
static LIST_HEAD(mirred_list);
static struct tcf_hashinfo mirred_hash_info;
-static int tcf_mirred_release(struct tcf_mirred *m, int bind)
+static int tcf_mirred_release(struct tc_action *a, int bind)
{
+ struct tcf_mirred *m = to_mirred(a);
if (m) {
if (bind)
m->tcf_bindcnt--;
@@ -43,7 +44,7 @@
list_del(&m->tcfm_list);
if (m->tcfm_dev)
dev_put(m->tcfm_dev);
- tcf_hash_destroy(&m->common, &mirred_hash_info);
+ tcf_hash_destroy(a);
return 1;
}
}
@@ -61,7 +62,6 @@
struct nlattr *tb[TCA_MIRRED_MAX + 1];
struct tc_mirred *parm;
struct tcf_mirred *m;
- struct tcf_common *pc;
struct net_device *dev;
int ret, ok_push = 0;
@@ -101,21 +101,20 @@
dev = NULL;
}
- pc = tcf_hash_check(parm->index, a, bind);
- if (!pc) {
+ if (!tcf_hash_check(parm->index, a, bind)) {
if (dev == NULL)
return -EINVAL;
- pc = tcf_hash_create(parm->index, est, a, sizeof(*m), bind);
- if (IS_ERR(pc))
- return PTR_ERR(pc);
+ ret = tcf_hash_create(parm->index, est, a, sizeof(*m), bind);
+ if (ret)
+ return ret;
ret = ACT_P_CREATED;
} else {
if (!ovr) {
- tcf_mirred_release(to_mirred(pc), bind);
+ tcf_mirred_release(a, bind);
return -EEXIST;
}
}
- m = to_mirred(pc);
+ m = to_mirred(a);
spin_lock_bh(&m->tcf_lock);
m->tcf_action = parm->action;
@@ -131,21 +130,12 @@
spin_unlock_bh(&m->tcf_lock);
if (ret == ACT_P_CREATED) {
list_add(&m->tcfm_list, &mirred_list);
- tcf_hash_insert(pc, a->ops->hinfo);
+ tcf_hash_insert(a);
}
return ret;
}
-static int tcf_mirred_cleanup(struct tc_action *a, int bind)
-{
- struct tcf_mirred *m = a->priv;
-
- if (m)
- return tcf_mirred_release(m, bind);
- return 0;
-}
-
static int tcf_mirred(struct sk_buff *skb, const struct tc_action *a,
struct tcf_result *res)
{
@@ -259,7 +249,7 @@
.owner = THIS_MODULE,
.act = tcf_mirred,
.dump = tcf_mirred_dump,
- .cleanup = tcf_mirred_cleanup,
+ .cleanup = tcf_mirred_release,
.init = tcf_mirred_init,
};