#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> #define tca_gen(name) \struct tcf_##name *next; \	u32 index; \	int refcnt; \	int bindcnt; \	u32 capab; \	int action; \	struct tcf_t tm; \	struct gnet_stats_basic bstats; \	struct gnet_stats_queue qstats; \	struct gnet_stats_rate_est rate_est; \	spinlock_t *stats_lock; \	spinlock_t lock struct tcf_police{	tca_gen(police);	int		result;	u32		ewma_rate;	u32		burst;	u32		mtu;	u32		toks;	u32		ptoks;	psched_time_t	t_c;	struct qdisc_rate_table *R_tab;	struct qdisc_rate_table *P_tab;}; #ifdef CONFIG_NET_CLS_ACT #define ACT_P_CREATED 1#define ACT_P_DELETED 1 struct tcf_act_hdr{	tca_gen(act_hdr);}; 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;	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 *);	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 rtattr *,struct rtattr *,struct tc_action *, int , int );	int     (*walk)(struct sk_buff *, struct netlink_callback *, int , struct tc_action *);}; 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 rtattr *rta, struct rtattr *est, char *n, int ovr, int bind, int *err);extern struct tc_action *tcf_action_init_1(struct rtattr *rta, struct rtattr *est, char *n, int ovr, int bind, int *err);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 */ extern int tcf_police(struct sk_buff *skb, struct tcf_police *p);extern void tcf_police_destroy(struct tcf_police *p);extern struct tcf_police * tcf_police_locate(struct rtattr *rta, struct rtattr *est);extern int tcf_police_dump(struct sk_buff *skb, struct tcf_police *p);extern int tcf_police_dump_stats(struct sk_buff *skb, struct tcf_police *p); static inline inttcf_police_release(struct tcf_police *p, int bind){	int ret = 0;#ifdef CONFIG_NET_CLS_ACT	if (p) {		if (bind) {			 p->bindcnt--;		}		p->refcnt--;		if (p->refcnt <= 0 && !p->bindcnt) {			tcf_police_destroy(p);			ret = 1;		}	}#else	if (p && --p->refcnt == 0)		tcf_police_destroy(p); #endif /* CONFIG_NET_CLS_ACT */	return ret;} #endif