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1da177e4 LT |
1 | #ifndef __NET_ACT_API_H |
2 | #define __NET_ACT_API_H | |
3 | ||
4 | /* | |
5 | * Public police action API for classifiers/qdiscs | |
6 | */ | |
7 | ||
8 | #include <net/sch_generic.h> | |
9 | #include <net/pkt_sched.h> | |
10 | ||
e9ce1cd3 DM |
11 | struct tcf_common { |
12 | struct tcf_common *tcfc_next; | |
13 | u32 tcfc_index; | |
14 | int tcfc_refcnt; | |
15 | int tcfc_bindcnt; | |
16 | u32 tcfc_capab; | |
17 | int tcfc_action; | |
18 | struct tcf_t tcfc_tm; | |
19 | struct gnet_stats_basic tcfc_bstats; | |
20 | struct gnet_stats_queue tcfc_qstats; | |
21 | struct gnet_stats_rate_est tcfc_rate_est; | |
e9ce1cd3 DM |
22 | spinlock_t tcfc_lock; |
23 | }; | |
24 | #define tcf_next common.tcfc_next | |
25 | #define tcf_index common.tcfc_index | |
26 | #define tcf_refcnt common.tcfc_refcnt | |
27 | #define tcf_bindcnt common.tcfc_bindcnt | |
28 | #define tcf_capab common.tcfc_capab | |
29 | #define tcf_action common.tcfc_action | |
30 | #define tcf_tm common.tcfc_tm | |
31 | #define tcf_bstats common.tcfc_bstats | |
32 | #define tcf_qstats common.tcfc_qstats | |
33 | #define tcf_rate_est common.tcfc_rate_est | |
e9ce1cd3 DM |
34 | #define tcf_lock common.tcfc_lock |
35 | ||
36 | struct tcf_police { | |
37 | struct tcf_common common; | |
38 | int tcfp_result; | |
39 | u32 tcfp_ewma_rate; | |
40 | u32 tcfp_burst; | |
41 | u32 tcfp_mtu; | |
42 | u32 tcfp_toks; | |
43 | u32 tcfp_ptoks; | |
44 | psched_time_t tcfp_t_c; | |
45 | struct qdisc_rate_table *tcfp_R_tab; | |
46 | struct qdisc_rate_table *tcfp_P_tab; | |
1da177e4 | 47 | }; |
e9ce1cd3 DM |
48 | #define to_police(pc) \ |
49 | container_of(pc, struct tcf_police, common) | |
50 | ||
51 | struct tcf_hashinfo { | |
52 | struct tcf_common **htab; | |
53 | unsigned int hmask; | |
54 | rwlock_t *lock; | |
55 | }; | |
56 | ||
57 | static inline unsigned int tcf_hash(u32 index, unsigned int hmask) | |
58 | { | |
59 | return index & hmask; | |
60 | } | |
1da177e4 LT |
61 | |
62 | #ifdef CONFIG_NET_CLS_ACT | |
63 | ||
64 | #define ACT_P_CREATED 1 | |
65 | #define ACT_P_DELETED 1 | |
66 | ||
e9ce1cd3 DM |
67 | struct tcf_act_hdr { |
68 | struct tcf_common common; | |
1da177e4 LT |
69 | }; |
70 | ||
e9ce1cd3 DM |
71 | struct tc_action { |
72 | void *priv; | |
73 | struct tc_action_ops *ops; | |
74 | __u32 type; /* for backward compat(TCA_OLD_COMPAT) */ | |
75 | __u32 order; | |
76 | struct tc_action *next; | |
1da177e4 LT |
77 | }; |
78 | ||
79 | #define TCA_CAP_NONE 0 | |
e9ce1cd3 | 80 | struct tc_action_ops { |
1da177e4 | 81 | struct tc_action_ops *next; |
e9ce1cd3 | 82 | struct tcf_hashinfo *hinfo; |
1da177e4 LT |
83 | char kind[IFNAMSIZ]; |
84 | __u32 type; /* TBD to match kind */ | |
85 | __u32 capab; /* capabilities includes 4 bit version */ | |
86 | struct module *owner; | |
f43c5a0d | 87 | int (*act)(struct sk_buff *, struct tc_action *, struct tcf_result *); |
1da177e4 | 88 | int (*get_stats)(struct sk_buff *, struct tc_action *); |
e9ce1cd3 | 89 | int (*dump)(struct sk_buff *, struct tc_action *, int, int); |
1da177e4 | 90 | int (*cleanup)(struct tc_action *, int bind); |
e9ce1cd3 | 91 | int (*lookup)(struct tc_action *, u32); |
7ba699c6 | 92 | int (*init)(struct nlattr *, struct nlattr *, struct tc_action *, int , int); |
e9ce1cd3 | 93 | int (*walk)(struct sk_buff *, struct netlink_callback *, int, struct tc_action *); |
1da177e4 LT |
94 | }; |
95 | ||
e9ce1cd3 DM |
96 | extern struct tcf_common *tcf_hash_lookup(u32 index, |
97 | struct tcf_hashinfo *hinfo); | |
98 | extern void tcf_hash_destroy(struct tcf_common *p, struct tcf_hashinfo *hinfo); | |
99 | extern int tcf_hash_release(struct tcf_common *p, int bind, | |
100 | struct tcf_hashinfo *hinfo); | |
101 | extern int tcf_generic_walker(struct sk_buff *skb, struct netlink_callback *cb, | |
102 | int type, struct tc_action *a); | |
103 | extern u32 tcf_hash_new_index(u32 *idx_gen, struct tcf_hashinfo *hinfo); | |
104 | extern int tcf_hash_search(struct tc_action *a, u32 index); | |
105 | extern struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a, | |
106 | int bind, struct tcf_hashinfo *hinfo); | |
7ba699c6 | 107 | extern struct tcf_common *tcf_hash_create(u32 index, struct nlattr *est, |
e9ce1cd3 DM |
108 | struct tc_action *a, int size, |
109 | int bind, u32 *idx_gen, | |
110 | struct tcf_hashinfo *hinfo); | |
111 | extern void tcf_hash_insert(struct tcf_common *p, struct tcf_hashinfo *hinfo); | |
112 | ||
1da177e4 LT |
113 | extern int tcf_register_action(struct tc_action_ops *a); |
114 | extern int tcf_unregister_action(struct tc_action_ops *a); | |
115 | extern void tcf_action_destroy(struct tc_action *a, int bind); | |
116 | extern int tcf_action_exec(struct sk_buff *skb, struct tc_action *a, struct tcf_result *res); | |
ab27cfb8 PM |
117 | extern struct tc_action *tcf_action_init(struct nlattr *nla, struct nlattr *est, char *n, int ovr, int bind); |
118 | extern struct tc_action *tcf_action_init_1(struct nlattr *nla, struct nlattr *est, char *n, int ovr, int bind); | |
1da177e4 LT |
119 | extern int tcf_action_dump(struct sk_buff *skb, struct tc_action *a, int, int); |
120 | extern int tcf_action_dump_old(struct sk_buff *skb, struct tc_action *a, int, int); | |
121 | extern int tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int, int); | |
122 | extern int tcf_action_copy_stats (struct sk_buff *,struct tc_action *, int); | |
123 | #endif /* CONFIG_NET_CLS_ACT */ | |
1da177e4 | 124 | #endif |