diff options
Diffstat (limited to 'include/net/act_api.h')
| -rw-r--r-- | include/net/act_api.h | 77 | 
1 files changed, 43 insertions, 34 deletions
diff --git a/include/net/act_api.h b/include/net/act_api.h index 9e90fdff470..3ee4c92afd1 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) @@ -46,35 +47,49 @@ 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); +	void	(*cleanup)(struct tc_action *, int bind);  	int     (*lookup)(struct tc_action *, u32);  	int     (*init)(struct net *net, struct nlattr *nla,  			struct nlattr *est, struct tc_action *act, int ovr, @@ -82,34 +97,28 @@ 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); -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); -struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a, -				  int bind, struct tcf_hashinfo *hinfo); -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); -void tcf_hash_insert(struct tcf_common *p, struct tcf_hashinfo *hinfo); +void tcf_hash_destroy(struct tc_action *a); +int tcf_hash_release(struct tc_action *a, int bind); +u32 tcf_hash_new_index(struct tcf_hashinfo *hinfo); +int tcf_hash_check(u32 index, struct tc_action *a, int bind); +int tcf_hash_create(u32 index, struct nlattr *est, struct tc_action *a, +		    int size, int bind); +void tcf_hash_cleanup(struct tc_action *a, struct nlattr *est); +void tcf_hash_insert(struct tc_action *a); -int tcf_register_action(struct tc_action_ops *a); +int tcf_register_action(struct tc_action_ops *a, unsigned int mask);  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, +int 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);  | 
