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-rw-r--r--include/net/act_api.h63
1 files changed, 37 insertions, 26 deletions
diff --git a/include/net/act_api.h b/include/net/act_api.h
index 9e90fdff470..788d8378e58 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -9,7 +9,7 @@
#include <net/pkt_sched.h>
struct tcf_common {
- struct tcf_common *tcfc_next;
+ struct hlist_node tcfc_head;
u32 tcfc_index;
int tcfc_refcnt;
int tcfc_bindcnt;
@@ -22,7 +22,7 @@ struct tcf_common {
spinlock_t tcfc_lock;
struct rcu_head tcfc_rcu;
};
-#define tcf_next common.tcfc_next
+#define tcf_head common.tcfc_head
#define tcf_index common.tcfc_index
#define tcf_refcnt common.tcfc_refcnt
#define tcf_bindcnt common.tcfc_bindcnt
@@ -36,9 +36,10 @@ struct tcf_common {
#define tcf_rcu common.tcfc_rcu
struct tcf_hashinfo {
- struct tcf_common **htab;
+ struct hlist_head *htab;
unsigned int hmask;
- rwlock_t *lock;
+ spinlock_t lock;
+ u32 index;
};
static inline unsigned int tcf_hash(u32 index, unsigned int hmask)
@@ -46,33 +47,47 @@ 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;
+}
+
+static inline void tcf_hashinfo_destroy(struct tcf_hashinfo *hf)
+{
+ kfree(hf->htab);
+}
+
#ifdef CONFIG_NET_CLS_ACT
#define ACT_P_CREATED 1
#define ACT_P_DELETED 1
-struct tcf_act_hdr {
- struct tcf_common common;
-};
-
struct tc_action {
void *priv;
const struct tc_action_ops *ops;
__u32 type; /* for backward compat(TCA_OLD_COMPAT) */
__u32 order;
- struct tc_action *next;
+ struct list_head list;
};
-#define TCA_CAP_NONE 0
struct tc_action_ops {
- struct tc_action_ops *next;
+ struct list_head head;
struct tcf_hashinfo *hinfo;
char kind[IFNAMSIZ];
__u32 type; /* TBD to match kind */
- __u32 capab; /* capabilities includes 4 bit version */
struct module *owner;
int (*act)(struct sk_buff *, const struct tc_action *, struct tcf_result *);
- int (*get_stats)(struct sk_buff *, struct tc_action *);
int (*dump)(struct sk_buff *, struct tc_action *, int, int);
int (*cleanup)(struct tc_action *, int bind);
int (*lookup)(struct tc_action *, u32);
@@ -82,34 +97,30 @@ struct tc_action_ops {
int (*walk)(struct sk_buff *, struct netlink_callback *, int, struct tc_action *);
};
-struct tcf_common *tcf_hash_lookup(u32 index, struct tcf_hashinfo *hinfo);
+int tcf_hash_search(struct tc_action *a, u32 index);
void tcf_hash_destroy(struct tcf_common *p, struct tcf_hashinfo *hinfo);
int tcf_hash_release(struct tcf_common *p, int bind,
struct tcf_hashinfo *hinfo);
-int tcf_generic_walker(struct sk_buff *skb, struct netlink_callback *cb,
- int type, struct tc_action *a);
-u32 tcf_hash_new_index(u32 *idx_gen, struct tcf_hashinfo *hinfo);
-int tcf_hash_search(struct tc_action *a, u32 index);
+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, u32 *idx_gen,
- 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);
int tcf_unregister_action(struct tc_action_ops *a);
-void tcf_action_destroy(struct tc_action *a, int bind);
-int tcf_action_exec(struct sk_buff *skb, const struct tc_action *a,
+void tcf_action_destroy(struct list_head *actions, int bind);
+int tcf_action_exec(struct sk_buff *skb, const struct list_head *actions,
struct tcf_result *res);
-struct tc_action *tcf_action_init(struct net *net, struct nlattr *nla,
+int tcf_action_init(struct net *net, struct nlattr *nla,
struct nlattr *est, char *n, int ovr,
- int bind);
+ int bind, struct list_head *);
struct tc_action *tcf_action_init_1(struct net *net, struct nlattr *nla,
struct nlattr *est, char *n, int ovr,
int bind);
-int tcf_action_dump(struct sk_buff *skb, struct tc_action *a, int, int);
+int tcf_action_dump(struct sk_buff *skb, struct list_head *, int, int);
int tcf_action_dump_old(struct sk_buff *skb, struct tc_action *a, int, int);
int tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int, int);
int tcf_action_copy_stats(struct sk_buff *, struct tc_action *, int);