diff options
Diffstat (limited to 'include/net/act_api.h')
| -rw-r--r-- | include/net/act_api.h | 63 |
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); |