#ifndef __NET_ACT_API_H#define __NET_ACT_API_H /* * Public police action API for classifiers/qdiscs */ #include <net/sch_generic.h>#include <net/pkt_sched.h> struct tcf_common {	struct tcf_common		*tcfc_next;	u32				tcfc_index;	int				tcfc_refcnt;	int				tcfc_bindcnt;	u32				tcfc_capab;	int				tcfc_action;	struct tcf_t			tcfc_tm;	struct gnet_stats_basic_packed	tcfc_bstats;	struct gnet_stats_queue		tcfc_qstats;	struct gnet_stats_rate_est	tcfc_rate_est;	spinlock_t			tcfc_lock;	struct rcu_head			tcfc_rcu;};#define tcf_next	common.tcfc_next#define tcf_index	common.tcfc_index#define tcf_refcnt	common.tcfc_refcnt#define tcf_bindcnt	common.tcfc_bindcnt#define tcf_capab	common.tcfc_capab#define tcf_action	common.tcfc_action#define tcf_tm		common.tcfc_tm#define tcf_bstats	common.tcfc_bstats#define tcf_qstats	common.tcfc_qstats#define tcf_rate_est	common.tcfc_rate_est#define tcf_lock	common.tcfc_lock#define tcf_rcu		common.tcfc_rcu struct tcf_police {	struct tcf_common	common;	int			tcfp_result;	u32			tcfp_ewma_rate;	u32			tcfp_burst;	u32			tcfp_mtu;	u32			tcfp_toks;	u32			tcfp_ptoks;	psched_time_t		tcfp_t_c;	struct qdisc_rate_table	*tcfp_R_tab;	struct qdisc_rate_table	*tcfp_P_tab;};#define to_police(pc)	\	container_of(pc, struct tcf_police, common) struct tcf_hashinfo {	struct tcf_common	**htab;	unsigned int		hmask;	rwlock_t		*lock;}; static inline unsigned int tcf_hash(u32 index, unsigned int hmask){	return index & hmask;} #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;	struct tc_action_ops	*ops;	__u32			type; /* for backward compat(TCA_OLD_COMPAT) */	__u32			order;	struct tc_action	*next;}; #define TCA_CAP_NONE 0struct tc_action_ops {	struct tc_action_ops *next;	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 *, 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);	int     (*init)(struct nlattr *, struct nlattr *, struct tc_action *, int , int);	int     (*walk)(struct sk_buff *, struct netlink_callback *, int, struct tc_action *);}; extern struct tcf_common *tcf_hash_lookup(u32 index,					  struct tcf_hashinfo *hinfo);extern void tcf_hash_destroy(struct tcf_common *p, struct tcf_hashinfo *hinfo);extern int tcf_hash_release(struct tcf_common *p, int bind,			    struct tcf_hashinfo *hinfo);extern int tcf_generic_walker(struct sk_buff *skb, struct netlink_callback *cb,			      int type, struct tc_action *a);extern u32 tcf_hash_new_index(u32 *idx_gen, struct tcf_hashinfo *hinfo);extern int tcf_hash_search(struct tc_action *a, u32 index);extern struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a,					 int bind, struct tcf_hashinfo *hinfo);extern 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);extern void tcf_hash_insert(struct tcf_common *p, struct tcf_hashinfo *hinfo); extern int tcf_register_action(struct tc_action_ops *a);extern int tcf_unregister_action(struct tc_action_ops *a);extern void tcf_action_destroy(struct tc_action *a, int bind);extern int tcf_action_exec(struct sk_buff *skb, struct tc_action *a, struct tcf_result *res);extern struct tc_action *tcf_action_init(struct nlattr *nla, struct nlattr *est, char *n, int ovr, int bind);extern struct tc_action *tcf_action_init_1(struct nlattr *nla, struct nlattr *est, char *n, int ovr, int bind);extern int tcf_action_dump(struct sk_buff *skb, struct tc_action *a, int, int);extern int tcf_action_dump_old(struct sk_buff *skb, struct tc_action *a, int, int);extern int tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int, int);extern int tcf_action_copy_stats (struct sk_buff *,struct tc_action *, int);#endif /* CONFIG_NET_CLS_ACT */#endif