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c3bc7cff8f
The NET_CLS_ACT option is now a full replacement for NET_CLS_POLICE, remove the old code. The config option will be kept around to select the equivalent NET_CLS_ACT options for a short time to allow easier upgrades. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
125 lines
4.1 KiB
C
125 lines
4.1 KiB
C
#ifndef __NET_ACT_API_H
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#define __NET_ACT_API_H
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/*
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* Public police action API for classifiers/qdiscs
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*/
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#include <net/sch_generic.h>
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#include <net/pkt_sched.h>
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struct tcf_common {
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struct tcf_common *tcfc_next;
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u32 tcfc_index;
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int tcfc_refcnt;
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int tcfc_bindcnt;
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u32 tcfc_capab;
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int tcfc_action;
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struct tcf_t tcfc_tm;
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struct gnet_stats_basic tcfc_bstats;
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struct gnet_stats_queue tcfc_qstats;
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struct gnet_stats_rate_est tcfc_rate_est;
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spinlock_t tcfc_lock;
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};
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#define tcf_next common.tcfc_next
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#define tcf_index common.tcfc_index
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#define tcf_refcnt common.tcfc_refcnt
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#define tcf_bindcnt common.tcfc_bindcnt
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#define tcf_capab common.tcfc_capab
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#define tcf_action common.tcfc_action
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#define tcf_tm common.tcfc_tm
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#define tcf_bstats common.tcfc_bstats
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#define tcf_qstats common.tcfc_qstats
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#define tcf_rate_est common.tcfc_rate_est
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#define tcf_lock common.tcfc_lock
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struct tcf_police {
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struct tcf_common common;
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int tcfp_result;
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u32 tcfp_ewma_rate;
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u32 tcfp_burst;
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u32 tcfp_mtu;
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u32 tcfp_toks;
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u32 tcfp_ptoks;
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psched_time_t tcfp_t_c;
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struct qdisc_rate_table *tcfp_R_tab;
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struct qdisc_rate_table *tcfp_P_tab;
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};
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#define to_police(pc) \
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container_of(pc, struct tcf_police, common)
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struct tcf_hashinfo {
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struct tcf_common **htab;
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unsigned int hmask;
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rwlock_t *lock;
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};
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static inline unsigned int tcf_hash(u32 index, unsigned int hmask)
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{
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return index & hmask;
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}
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#ifdef CONFIG_NET_CLS_ACT
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#define ACT_P_CREATED 1
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#define ACT_P_DELETED 1
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struct tcf_act_hdr {
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struct tcf_common common;
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};
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struct tc_action {
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void *priv;
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struct tc_action_ops *ops;
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__u32 type; /* for backward compat(TCA_OLD_COMPAT) */
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__u32 order;
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struct tc_action *next;
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};
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#define TCA_CAP_NONE 0
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struct tc_action_ops {
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struct tc_action_ops *next;
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struct tcf_hashinfo *hinfo;
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char kind[IFNAMSIZ];
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__u32 type; /* TBD to match kind */
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__u32 capab; /* capabilities includes 4 bit version */
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struct module *owner;
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int (*act)(struct sk_buff *, struct tc_action *, struct tcf_result *);
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int (*get_stats)(struct sk_buff *, struct tc_action *);
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int (*dump)(struct sk_buff *, struct tc_action *, int, int);
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int (*cleanup)(struct tc_action *, int bind);
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int (*lookup)(struct tc_action *, u32);
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int (*init)(struct rtattr *, struct rtattr *, struct tc_action *, int , int);
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int (*walk)(struct sk_buff *, struct netlink_callback *, int, struct tc_action *);
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};
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extern struct tcf_common *tcf_hash_lookup(u32 index,
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struct tcf_hashinfo *hinfo);
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extern void tcf_hash_destroy(struct tcf_common *p, struct tcf_hashinfo *hinfo);
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extern int tcf_hash_release(struct tcf_common *p, int bind,
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struct tcf_hashinfo *hinfo);
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extern int tcf_generic_walker(struct sk_buff *skb, struct netlink_callback *cb,
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int type, struct tc_action *a);
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extern u32 tcf_hash_new_index(u32 *idx_gen, struct tcf_hashinfo *hinfo);
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extern int tcf_hash_search(struct tc_action *a, u32 index);
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extern struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a,
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int bind, struct tcf_hashinfo *hinfo);
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extern struct tcf_common *tcf_hash_create(u32 index, struct rtattr *est,
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struct tc_action *a, int size,
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int bind, u32 *idx_gen,
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struct tcf_hashinfo *hinfo);
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extern void tcf_hash_insert(struct tcf_common *p, struct tcf_hashinfo *hinfo);
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extern int tcf_register_action(struct tc_action_ops *a);
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extern int tcf_unregister_action(struct tc_action_ops *a);
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extern void tcf_action_destroy(struct tc_action *a, int bind);
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extern int tcf_action_exec(struct sk_buff *skb, struct tc_action *a, struct tcf_result *res);
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extern struct tc_action *tcf_action_init(struct rtattr *rta, struct rtattr *est, char *n, int ovr, int bind, int *err);
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extern struct tc_action *tcf_action_init_1(struct rtattr *rta, struct rtattr *est, char *n, int ovr, int bind, int *err);
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extern int tcf_action_dump(struct sk_buff *skb, struct tc_action *a, int, int);
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extern int tcf_action_dump_old(struct sk_buff *skb, struct tc_action *a, int, int);
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extern int tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int, int);
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extern int tcf_action_copy_stats (struct sk_buff *,struct tc_action *, int);
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#endif /* CONFIG_NET_CLS_ACT */
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#endif
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