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Diffstat (limited to 'include/net/act_api.h')
-rw-r--r--include/net/act_api.h76
1 files changed, 24 insertions, 52 deletions
diff --git a/include/net/act_api.h b/include/net/act_api.h
index 26ffd8333f50..8f3d5d8b5ae0 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -10,12 +10,9 @@
#include <net/net_namespace.h>
#include <net/netns/generic.h>
-
-struct tcf_hashinfo {
- struct hlist_head *htab;
- unsigned int hmask;
- spinlock_t lock;
- u32 index;
+struct tcf_idrinfo {
+ spinlock_t lock;
+ struct idr action_idr;
};
struct tc_action_ops;
@@ -25,9 +22,8 @@ struct tc_action {
__u32 type; /* for backward compat(TCA_OLD_COMPAT) */
__u32 order;
struct list_head list;
- struct tcf_hashinfo *hinfo;
+ struct tcf_idrinfo *idrinfo;
- struct hlist_node tcfa_head;
u32 tcfa_index;
int tcfa_refcnt;
int tcfa_bindcnt;
@@ -44,7 +40,6 @@ struct tc_action {
struct tc_cookie *act_cookie;
struct tcf_chain *goto_chain;
};
-#define tcf_head common.tcfa_head
#define tcf_index common.tcfa_index
#define tcf_refcnt common.tcfa_refcnt
#define tcf_bindcnt common.tcfa_bindcnt
@@ -57,27 +52,6 @@ struct tc_action {
#define tcf_lock common.tcfa_lock
#define tcf_rcu common.tcfa_rcu
-static inline unsigned int tcf_hash(u32 index, unsigned int hmask)
-{
- return index & hmask;
-}
-
-static inline int tcf_hashinfo_init(struct tcf_hashinfo *hf, unsigned int mask)
-{
- int i;
-
- spin_lock_init(&hf->lock);
- hf->index = 0;
- hf->hmask = mask;
- hf->htab = kzalloc((mask + 1) * sizeof(struct hlist_head),
- GFP_KERNEL);
- if (!hf->htab)
- return -ENOMEM;
- for (i = 0; i < mask + 1; i++)
- INIT_HLIST_HEAD(&hf->htab[i]);
- return 0;
-}
-
/* Update lastuse only if needed, to avoid dirtying a cache line.
* We use a temp variable to avoid fetching jiffies twice.
*/
@@ -126,53 +100,51 @@ struct tc_action_ops {
};
struct tc_action_net {
- struct tcf_hashinfo *hinfo;
+ struct tcf_idrinfo *idrinfo;
const struct tc_action_ops *ops;
};
static inline
int tc_action_net_init(struct tc_action_net *tn,
- const struct tc_action_ops *ops, unsigned int mask)
+ const struct tc_action_ops *ops)
{
int err = 0;
- tn->hinfo = kmalloc(sizeof(*tn->hinfo), GFP_KERNEL);
- if (!tn->hinfo)
+ tn->idrinfo = kmalloc(sizeof(*tn->idrinfo), GFP_KERNEL);
+ if (!tn->idrinfo)
return -ENOMEM;
tn->ops = ops;
- err = tcf_hashinfo_init(tn->hinfo, mask);
- if (err)
- kfree(tn->hinfo);
+ spin_lock_init(&tn->idrinfo->lock);
+ idr_init(&tn->idrinfo->action_idr);
return err;
}
-void tcf_hashinfo_destroy(const struct tc_action_ops *ops,
- struct tcf_hashinfo *hinfo);
+void tcf_idrinfo_destroy(const struct tc_action_ops *ops,
+ struct tcf_idrinfo *idrinfo);
static inline void tc_action_net_exit(struct tc_action_net *tn)
{
- tcf_hashinfo_destroy(tn->ops, tn->hinfo);
- kfree(tn->hinfo);
+ tcf_idrinfo_destroy(tn->ops, tn->idrinfo);
+ kfree(tn->idrinfo);
}
int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops);
-int tcf_hash_search(struct tc_action_net *tn, struct tc_action **a, u32 index);
-u32 tcf_hash_new_index(struct tc_action_net *tn);
-bool tcf_hash_check(struct tc_action_net *tn, u32 index, struct tc_action **a,
+int tcf_idr_search(struct tc_action_net *tn, struct tc_action **a, u32 index);
+bool tcf_idr_check(struct tc_action_net *tn, u32 index, struct tc_action **a,
int bind);
-int tcf_hash_create(struct tc_action_net *tn, u32 index, struct nlattr *est,
- struct tc_action **a, const struct tc_action_ops *ops, int bind,
- bool cpustats);
-void tcf_hash_cleanup(struct tc_action *a, struct nlattr *est);
-void tcf_hash_insert(struct tc_action_net *tn, struct tc_action *a);
+int tcf_idr_create(struct tc_action_net *tn, u32 index, struct nlattr *est,
+ struct tc_action **a, const struct tc_action_ops *ops,
+ int bind, bool cpustats);
+void tcf_idr_cleanup(struct tc_action *a, struct nlattr *est);
+void tcf_idr_insert(struct tc_action_net *tn, struct tc_action *a);
-int __tcf_hash_release(struct tc_action *a, bool bind, bool strict);
+int __tcf_idr_release(struct tc_action *a, bool bind, bool strict);
-static inline int tcf_hash_release(struct tc_action *a, bool bind)
+static inline int tcf_idr_release(struct tc_action *a, bool bind)
{
- return __tcf_hash_release(a, bind, false);
+ return __tcf_idr_release(a, bind, false);
}
int tcf_register_action(struct tc_action_ops *a, struct pernet_operations *ops);