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Diffstat (limited to 'net/sched/act_skbedit.c')
-rw-r--r--net/sched/act_skbedit.c89
1 files changed, 35 insertions, 54 deletions
diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
index 836f5fee9e5..fcfeeaf838b 100644
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -11,8 +11,7 @@
* more details.
*
* You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307 USA.
+ * this program; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Alexander Duyck <alexander.h.duyck@intel.com>
*/
@@ -29,17 +28,8 @@
#include <net/tc_act/tc_skbedit.h>
#define SKBEDIT_TAB_MASK 15
-static struct tcf_common *tcf_skbedit_ht[SKBEDIT_TAB_MASK + 1];
-static u32 skbedit_idx_gen;
-static DEFINE_RWLOCK(skbedit_lock);
-
-static struct tcf_hashinfo skbedit_hash_info = {
- .htab = tcf_skbedit_ht,
- .hmask = SKBEDIT_TAB_MASK,
- .lock = &skbedit_lock,
-};
-static int tcf_skbedit(struct sk_buff *skb, struct tc_action *a,
+static int tcf_skbedit(struct sk_buff *skb, const struct tc_action *a,
struct tcf_result *res)
{
struct tcf_skbedit *d = a->priv;
@@ -67,13 +57,13 @@ static const struct nla_policy skbedit_policy[TCA_SKBEDIT_MAX + 1] = {
[TCA_SKBEDIT_MARK] = { .len = sizeof(u32) },
};
-static int tcf_skbedit_init(struct nlattr *nla, struct nlattr *est,
- struct tc_action *a, int ovr, int bind)
+static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
+ struct nlattr *est, struct tc_action *a,
+ int ovr, int bind)
{
struct nlattr *tb[TCA_SKBEDIT_MAX + 1];
struct tc_skbedit *parm;
struct tcf_skbedit *d;
- struct tcf_common *pc;
u32 flags = 0, *priority = NULL, *mark = NULL;
u16 *queue_mapping = NULL;
int ret = 0, err;
@@ -108,21 +98,20 @@ static int tcf_skbedit_init(struct nlattr *nla, struct nlattr *est,
parm = nla_data(tb[TCA_SKBEDIT_PARMS]);
- pc = tcf_hash_check(parm->index, a, bind, &skbedit_hash_info);
- if (!pc) {
- pc = tcf_hash_create(parm->index, est, a, sizeof(*d), bind,
- &skbedit_idx_gen, &skbedit_hash_info);
- 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(*d), bind);
+ if (ret)
+ return ret;
- d = to_skbedit(pc);
+ d = to_skbedit(a);
ret = ACT_P_CREATED;
} else {
- d = to_skbedit(pc);
- if (!ovr) {
- tcf_hash_release(pc, bind, &skbedit_hash_info);
+ d = to_skbedit(a);
+ if (bind)
+ return 0;
+ tcf_hash_release(a, bind);
+ if (!ovr)
return -EEXIST;
- }
}
spin_lock_bh(&d->tcf_lock);
@@ -140,21 +129,12 @@ static int tcf_skbedit_init(struct nlattr *nla, struct nlattr *est,
spin_unlock_bh(&d->tcf_lock);
if (ret == ACT_P_CREATED)
- tcf_hash_insert(pc, &skbedit_hash_info);
+ tcf_hash_insert(a);
return ret;
}
-static inline int tcf_skbedit_cleanup(struct tc_action *a, int bind)
-{
- struct tcf_skbedit *d = a->priv;
-
- if (d)
- return tcf_hash_release(&d->common, bind, &skbedit_hash_info);
- return 0;
-}
-
-static inline int tcf_skbedit_dump(struct sk_buff *skb, struct tc_action *a,
- int bind, int ref)
+static int tcf_skbedit_dump(struct sk_buff *skb, struct tc_action *a,
+ int bind, int ref)
{
unsigned char *b = skb_tail_pointer(skb);
struct tcf_skbedit *d = a->priv;
@@ -166,20 +146,25 @@ static inline int tcf_skbedit_dump(struct sk_buff *skb, struct tc_action *a,
};
struct tcf_t t;
- NLA_PUT(skb, TCA_SKBEDIT_PARMS, sizeof(opt), &opt);
- if (d->flags & SKBEDIT_F_PRIORITY)
- NLA_PUT(skb, TCA_SKBEDIT_PRIORITY, sizeof(d->priority),
- &d->priority);
- if (d->flags & SKBEDIT_F_QUEUE_MAPPING)
- NLA_PUT(skb, TCA_SKBEDIT_QUEUE_MAPPING,
- sizeof(d->queue_mapping), &d->queue_mapping);
- if (d->flags & SKBEDIT_F_MARK)
- NLA_PUT(skb, TCA_SKBEDIT_MARK, sizeof(d->mark),
- &d->mark);
+ if (nla_put(skb, TCA_SKBEDIT_PARMS, sizeof(opt), &opt))
+ goto nla_put_failure;
+ if ((d->flags & SKBEDIT_F_PRIORITY) &&
+ nla_put(skb, TCA_SKBEDIT_PRIORITY, sizeof(d->priority),
+ &d->priority))
+ goto nla_put_failure;
+ if ((d->flags & SKBEDIT_F_QUEUE_MAPPING) &&
+ nla_put(skb, TCA_SKBEDIT_QUEUE_MAPPING,
+ sizeof(d->queue_mapping), &d->queue_mapping))
+ goto nla_put_failure;
+ if ((d->flags & SKBEDIT_F_MARK) &&
+ nla_put(skb, TCA_SKBEDIT_MARK, sizeof(d->mark),
+ &d->mark))
+ goto nla_put_failure;
t.install = jiffies_to_clock_t(jiffies - d->tcf_tm.install);
t.lastuse = jiffies_to_clock_t(jiffies - d->tcf_tm.lastuse);
t.expires = jiffies_to_clock_t(d->tcf_tm.expires);
- NLA_PUT(skb, TCA_SKBEDIT_TM, sizeof(t), &t);
+ if (nla_put(skb, TCA_SKBEDIT_TM, sizeof(t), &t))
+ goto nla_put_failure;
return skb->len;
nla_put_failure:
@@ -189,15 +174,11 @@ nla_put_failure:
static struct tc_action_ops act_skbedit_ops = {
.kind = "skbedit",
- .hinfo = &skbedit_hash_info,
.type = TCA_ACT_SKBEDIT,
- .capab = TCA_CAP_NONE,
.owner = THIS_MODULE,
.act = tcf_skbedit,
.dump = tcf_skbedit_dump,
- .cleanup = tcf_skbedit_cleanup,
.init = tcf_skbedit_init,
- .walk = tcf_generic_walker,
};
MODULE_AUTHOR("Alexander Duyck, <alexander.h.duyck@intel.com>");
@@ -206,7 +187,7 @@ MODULE_LICENSE("GPL");
static int __init skbedit_init_module(void)
{
- return tcf_register_action(&act_skbedit_ops);
+ return tcf_register_action(&act_skbedit_ops, SKBEDIT_TAB_MASK);
}
static void __exit skbedit_cleanup_module(void)