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Commit c779f7af authored by WANG Cong's avatar WANG Cong Committed by David S. Miller
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net_sched: act: fetch hinfo from a->ops->hinfo 

Every action ops has a pointer to hash info, so we don't need to
hard-code it in each module.

Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: default avatarCong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: default avatarJamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 75e4364f
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Inline Side-by-side
Showing with 53 additions and 60 deletions
include/net/act_api.h
View file @ c779f7af
......@@ -103,10 +103,10 @@ int tcf_hash_release(struct tcf_common *p, int bind,
struct tcf_hashinfo *hinfo);
u32 tcf_hash_new_index(struct tcf_hashinfo *hinfo);
struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a,
int bind, struct tcf_hashinfo *hinfo);
int bind);
struct tcf_common *tcf_hash_create(u32 index, struct nlattr *est,
struct tc_action *a, int size,
int bind, struct tcf_hashinfo *hinfo);
int bind);
void tcf_hash_insert(struct tcf_common *p, struct tcf_hashinfo *hinfo);
int tcf_register_action(struct tc_action_ops *a);
......
net/sched/act_api.c
View file @ c779f7af
......@@ -62,8 +62,9 @@ int tcf_hash_release(struct tcf_common *p, int bind,
EXPORT_SYMBOL(tcf_hash_release);
static int tcf_dump_walker(struct sk_buff *skb, struct netlink_callback *cb,
struct tc_action *a, struct tcf_hashinfo *hinfo)
struct tc_action *a)
{
struct tcf_hashinfo *hinfo = a->ops->hinfo;
struct hlist_head *head;
struct tcf_common *p;
int err = 0, index = -1, i = 0, s_i = 0, n_i = 0;
......@@ -109,9 +110,9 @@ static int tcf_dump_walker(struct sk_buff *skb, struct netlink_callback *cb,
goto done;
}
static int tcf_del_walker(struct sk_buff *skb, struct tc_action *a,
struct tcf_hashinfo *hinfo)
static int tcf_del_walker(struct sk_buff *skb, struct tc_action *a)
{
struct tcf_hashinfo *hinfo = a->ops->hinfo;
struct hlist_head *head;
struct hlist_node *n;
struct tcf_common *p;
......@@ -145,12 +146,10 @@ static int tcf_del_walker(struct sk_buff *skb, struct tc_action *a,
static int tcf_generic_walker(struct sk_buff *skb, struct netlink_callback *cb,
int type, struct tc_action *a)
{
struct tcf_hashinfo *hinfo = a->ops->hinfo;
if (type == RTM_DELACTION) {
return tcf_del_walker(skb, a, hinfo);
return tcf_del_walker(skb, a);
} else if (type == RTM_GETACTION) {
return tcf_dump_walker(skb, cb, a, hinfo);
return tcf_dump_walker(skb, cb, a);
} else {
WARN(1, "tcf_generic_walker: unknown action %d\n", type);
return -EINVAL;
......@@ -199,9 +198,9 @@ static int tcf_hash_search(struct tc_action *a, u32 index)
return 0;
}
struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a, int bind,
struct tcf_hashinfo *hinfo)
struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a, int bind)
{
struct tcf_hashinfo *hinfo = a->ops->hinfo;
struct tcf_common *p = NULL;
if (index && (p = tcf_hash_lookup(index, hinfo)) != NULL) {
if (bind)
......@@ -214,9 +213,9 @@ struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a, int bind,
EXPORT_SYMBOL(tcf_hash_check);
struct tcf_common *tcf_hash_create(u32 index, struct nlattr *est,
struct tc_action *a, int size, int bind,
struct tcf_hashinfo *hinfo)
struct tc_action *a, int size, int bind)
{
struct tcf_hashinfo *hinfo = a->ops->hinfo;
struct tcf_common *p = kzalloc(size, GFP_KERNEL);
if (unlikely(!p))
......@@ -495,6 +494,7 @@ struct tc_action *tcf_action_init_1(struct net *net, struct nlattr *nla,
if (a == NULL)
goto err_mod;
a->ops = a_o;
INIT_LIST_HEAD(&a->list);
/* backward compatibility for policer */
if (name == NULL)
......@@ -510,7 +510,6 @@ struct tc_action *tcf_action_init_1(struct net *net, struct nlattr *nla,
*/
if (err != ACT_P_CREATED)
module_put(a_o->owner);
a->ops = a_o;
return a;
......
net/sched/act_csum.c
View file @ c779f7af
......@@ -63,17 +63,16 @@ static int tcf_csum_init(struct net *n, struct nlattr *nla, struct nlattr *est,
return -EINVAL;
parm = nla_data(tb[TCA_CSUM_PARMS]);
pc = tcf_hash_check(parm->index, a, bind, &csum_hash_info);
pc = tcf_hash_check(parm->index, a, bind);
if (!pc) {
pc = tcf_hash_create(parm->index, est, a, sizeof(*p), bind,
&csum_hash_info);
pc = tcf_hash_create(parm->index, est, a, sizeof(*p), bind);
if (IS_ERR(pc))
return PTR_ERR(pc);
ret = ACT_P_CREATED;
} else {
if (bind)/* dont override defaults */
return 0;
tcf_hash_release(pc, bind, &csum_hash_info);
tcf_hash_release(pc, bind, a->ops->hinfo);
if (!ovr)
return -EEXIST;
}
......@@ -85,7 +84,7 @@ static int tcf_csum_init(struct net *n, struct nlattr *nla, struct nlattr *est,
spin_unlock_bh(&p->tcf_lock);
if (ret == ACT_P_CREATED)
tcf_hash_insert(pc, &csum_hash_info);
tcf_hash_insert(pc, a->ops->hinfo);
return ret;
}
......
net/sched/act_gact.c
View file @ c779f7af
......@@ -86,17 +86,16 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla,
}
#endif
pc = tcf_hash_check(parm->index, a, bind, &gact_hash_info);
pc = tcf_hash_check(parm->index, a, bind);
if (!pc) {
pc = tcf_hash_create(parm->index, est, a, sizeof(*gact),
bind, &gact_hash_info);
pc = tcf_hash_create(parm->index, est, a, sizeof(*gact), bind);
if (IS_ERR(pc))
return PTR_ERR(pc);
ret = ACT_P_CREATED;
} else {
if (bind)/* dont override defaults */
return 0;
tcf_hash_release(pc, bind, &gact_hash_info);
tcf_hash_release(pc, bind, a->ops->hinfo);
if (!ovr)
return -EEXIST;
}
......@@ -114,7 +113,7 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla,
#endif
spin_unlock_bh(&gact->tcf_lock);
if (ret == ACT_P_CREATED)
tcf_hash_insert(pc, &gact_hash_info);
tcf_hash_insert(pc, a->ops->hinfo);
return ret;
}
......@@ -123,7 +122,7 @@ static int tcf_gact_cleanup(struct tc_action *a, int bind)
struct tcf_gact *gact = a->priv;
if (gact)
return tcf_hash_release(&gact->common, bind, &gact_hash_info);
return tcf_hash_release(&gact->common, bind, a->ops->hinfo);
return 0;
}
......
net/sched/act_ipt.c
View file @ c779f7af
......@@ -125,10 +125,9 @@ static int tcf_ipt_init(struct net *net, struct nlattr *nla, struct nlattr *est,
if (tb[TCA_IPT_INDEX] != NULL)
index = nla_get_u32(tb[TCA_IPT_INDEX]);
pc = tcf_hash_check(index, a, bind, &ipt_hash_info);
pc = tcf_hash_check(index, a, bind);
if (!pc) {
pc = tcf_hash_create(index, est, a, sizeof(*ipt), bind,
&ipt_hash_info);
pc = tcf_hash_create(index, est, a, sizeof(*ipt), bind);
if (IS_ERR(pc))
return PTR_ERR(pc);
ret = ACT_P_CREATED;
......@@ -171,7 +170,7 @@ static int tcf_ipt_init(struct net *net, struct nlattr *nla, struct nlattr *est,
ipt->tcfi_hook = hook;
spin_unlock_bh(&ipt->tcf_lock);
if (ret == ACT_P_CREATED)
tcf_hash_insert(pc, &ipt_hash_info);
tcf_hash_insert(pc, a->ops->hinfo);
return ret;
err3:
......
net/sched/act_mirred.c
View file @ c779f7af
......@@ -101,12 +101,11 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
dev = NULL;
}
pc = tcf_hash_check(parm->index, a, bind, &mirred_hash_info);
pc = tcf_hash_check(parm->index, a, bind);
if (!pc) {
if (dev == NULL)
return -EINVAL;
pc = tcf_hash_create(parm->index, est, a, sizeof(*m), bind,
&mirred_hash_info);
pc = tcf_hash_create(parm->index, est, a, sizeof(*m), bind);
if (IS_ERR(pc))
return PTR_ERR(pc);
ret = ACT_P_CREATED;
......@@ -132,7 +131,7 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
spin_unlock_bh(&m->tcf_lock);
if (ret == ACT_P_CREATED) {
list_add(&m->tcfm_list, &mirred_list);
tcf_hash_insert(pc, &mirred_hash_info);
tcf_hash_insert(pc, a->ops->hinfo);
}
return ret;
......
net/sched/act_nat.c
View file @ c779f7af
......@@ -57,17 +57,16 @@ 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);
pc = tcf_hash_check(parm->index, a, bind);
if (!pc) {
pc = tcf_hash_create(parm->index, est, a, sizeof(*p), bind,
&nat_hash_info);
pc = tcf_hash_create(parm->index, est, a, sizeof(*p), bind);
if (IS_ERR(pc))
return PTR_ERR(pc);
ret = ACT_P_CREATED;
} else {
if (bind)
return 0;
tcf_hash_release(pc, bind, &nat_hash_info);
tcf_hash_release(pc, bind, a->ops->hinfo);
if (!ovr)
return -EEXIST;
}
......@@ -83,7 +82,7 @@ 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(pc, a->ops->hinfo);
return ret;
}
......
net/sched/act_pedit.c
View file @ c779f7af
......@@ -57,12 +57,11 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla,
if (nla_len(tb[TCA_PEDIT_PARMS]) < sizeof(*parm) + ksize)
return -EINVAL;
pc = tcf_hash_check(parm->index, a, bind, &pedit_hash_info);
pc = tcf_hash_check(parm->index, a, bind);
if (!pc) {
if (!parm->nkeys)
return -EINVAL;
pc = tcf_hash_create(parm->index, est, a, sizeof(*p), bind,
&pedit_hash_info);
pc = tcf_hash_create(parm->index, est, a, sizeof(*p), bind);
if (IS_ERR(pc))
return PTR_ERR(pc);
p = to_pedit(pc);
......@@ -77,7 +76,7 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla,
ret = ACT_P_CREATED;
} else {
p = to_pedit(pc);
tcf_hash_release(pc, bind, &pedit_hash_info);
tcf_hash_release(pc, bind, a->ops->hinfo);
if (bind)
return 0;
if (!ovr)
......@@ -101,7 +100,7 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla,
memcpy(p->tcfp_keys, parm->keys, ksize);
spin_unlock_bh(&p->tcf_lock);
if (ret == ACT_P_CREATED)
tcf_hash_insert(pc, &pedit_hash_info);
tcf_hash_insert(pc, a->ops->hinfo);
return ret;
}
......
net/sched/act_police.c
View file @ c779f7af
......@@ -59,17 +59,18 @@ struct tc_police_compat {
static int tcf_act_police_walker(struct sk_buff *skb, struct netlink_callback *cb,
int type, struct tc_action *a)
{
struct tcf_hashinfo *hinfo = a->ops->hinfo;
struct hlist_head *head;
struct tcf_common *p;
int err = 0, index = -1, i = 0, s_i = 0, n_i = 0;
struct nlattr *nest;
spin_lock_bh(&police_hash_info.lock);
spin_lock_bh(&hinfo->lock);
s_i = cb->args[0];
for (i = 0; i < (POL_TAB_MASK + 1); i++) {
head = &police_hash_info.htab[tcf_hash(i, POL_TAB_MASK)];
head = &hinfo->htab[tcf_hash(i, POL_TAB_MASK)];
hlist_for_each_entry_rcu(p, head, tcfc_head) {
index++;
......@@ -94,7 +95,7 @@ static int tcf_act_police_walker(struct sk_buff *skb, struct netlink_callback *c
}
}
done:
spin_unlock_bh(&police_hash_info.lock);
spin_unlock_bh(&hinfo->lock);
if (n_i)
cb->args[0] += n_i;
return n_i;
......@@ -121,6 +122,7 @@ static int tcf_act_police_locate(struct net *net, struct nlattr *nla,
struct tc_police *parm;
struct tcf_police *police;
struct qdisc_rate_table *R_tab = NULL, *P_tab = NULL;
struct tcf_hashinfo *hinfo = a->ops->hinfo;
int size;
if (nla == NULL)
......@@ -140,7 +142,7 @@ static int tcf_act_police_locate(struct net *net, struct nlattr *nla,
if (parm->index) {
struct tcf_common *pc;
pc = tcf_hash_lookup(parm->index, &police_hash_info);
pc = tcf_hash_lookup(parm->index, hinfo);
if (pc != NULL) {
a->priv = pc;
police = to_police(pc);
......@@ -236,11 +238,11 @@ static int tcf_act_police_locate(struct net *net, struct nlattr *nla,
police->tcfp_t_c = ktime_to_ns(ktime_get());
police->tcf_index = parm->index ? parm->index :
tcf_hash_new_index(&police_hash_info);
tcf_hash_new_index(a->ops->hinfo);
h = tcf_hash(police->tcf_index, POL_TAB_MASK);
spin_lock_bh(&police_hash_info.lock);
hlist_add_head(&police->tcf_head, &police_hash_info.htab[h]);
spin_unlock_bh(&police_hash_info.lock);
spin_lock_bh(&hinfo->lock);
hlist_add_head(&police->tcf_head, &hinfo->htab[h]);
spin_unlock_bh(&hinfo->lock);
a->priv = police;
return ret;
......
net/sched/act_simple.c
View file @ c779f7af
......@@ -114,10 +114,9 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla,
parm = nla_data(tb[TCA_DEF_PARMS]);
defdata = nla_data(tb[TCA_DEF_DATA]);
pc = tcf_hash_check(parm->index, a, bind, &simp_hash_info);
pc = tcf_hash_check(parm->index, a, bind);
if (!pc) {
pc = tcf_hash_create(parm->index, est, a, sizeof(*d), bind,
&simp_hash_info);
pc = tcf_hash_create(parm->index, est, a, sizeof(*d), bind);
if (IS_ERR(pc))
return PTR_ERR(pc);
......@@ -145,7 +144,7 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla,
}
if (ret == ACT_P_CREATED)
tcf_hash_insert(pc, &simp_hash_info);
tcf_hash_insert(pc, a->ops->hinfo);
return ret;
}
......
net/sched/act_skbedit.c
View file @ c779f7af
......@@ -100,10 +100,9 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
parm = nla_data(tb[TCA_SKBEDIT_PARMS]);
pc = tcf_hash_check(parm->index, a, bind, &skbedit_hash_info);
pc = tcf_hash_check(parm->index, a, bind);
if (!pc) {
pc = tcf_hash_create(parm->index, est, a, sizeof(*d), bind,
&skbedit_hash_info);
pc = tcf_hash_create(parm->index, est, a, sizeof(*d), bind);
if (IS_ERR(pc))
return PTR_ERR(pc);
......@@ -113,7 +112,7 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
d = to_skbedit(pc);
if (bind)
return 0;
tcf_hash_release(pc, bind, &skbedit_hash_info);
tcf_hash_release(pc, bind, a->ops->hinfo);
if (!ovr)
return -EEXIST;
}
......@@ -133,7 +132,7 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
spin_unlock_bh(&d->tcf_lock);
if (ret == ACT_P_CREATED)
tcf_hash_insert(pc, &skbedit_hash_info);
tcf_hash_insert(pc, a->ops->hinfo);
return ret;
}
......
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