| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Fri, 17 Jan 2014 11:37:02 -0800
From: Cong Wang <xiyou.wangcong@...il.com>
To: netdev@...r.kernel.org
Cc: Cong Wang <xiyou.wangcong@...il.com>,
Jamal Hadi Salim <jhs@...atatu.com>,
"David S. Miller" <davem@...emloft.net>
Subject: [Patch net-next 1/6] 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@...atatu.com>
Cc: David S. Miller <davem@...emloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>
---
include/net/act_api.h | 4 ++--
net/sched/act_api.c | 23 +++++++++++------------
net/sched/act_csum.c | 9 ++++-----
net/sched/act_gact.c | 11 +++++------
net/sched/act_ipt.c | 7 +++----
net/sched/act_mirred.c | 7 +++----
net/sched/act_nat.c | 9 ++++-----
net/sched/act_pedit.c | 9 ++++-----
net/sched/act_police.c | 18 ++++++++++--------
net/sched/act_simple.c | 7 +++----
net/sched/act_skbedit.c | 9 ++++-----
11 files changed, 53 insertions(+), 60 deletions(-)
diff --git a/include/net/act_api.h b/include/net/act_api.h
index e171387..ca1dcf5 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -105,10 +105,10 @@ 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);
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 35f89e9..b948253 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -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 @@ nla_put_failure:
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 @@ nla_put_failure:
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;
diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c
index ee28e1c..a9a3185 100644
--- a/net/sched/act_csum.c
+++ b/net/sched/act_csum.c
@@ -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;
}
diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c
index 3133307..5f05ecf 100644
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -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;
}
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index bc9f498..a22602b 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -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:
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 5d05b57..f1fb5bc 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -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;
diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c
index a49fa23..5fc1364 100644
--- a/net/sched/act_nat.c
+++ b/net/sched/act_nat.c
@@ -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;
}
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index f361e4e..142ff73 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -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;
}
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index 5ba467b..30d4f4b 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -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 @@ override:
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;
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index f7d5406..745d0d5 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -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;
}
diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
index 74af461..bedbe5b 100644
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -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;
}
--
1.8.3.1
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists