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-rw-r--r--include/net/act_api.h136
1 files changed, 88 insertions, 48 deletions
diff --git a/include/net/act_api.h b/include/net/act_api.h
index 11e9eaf79f5a..8b06c2f3657f 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -8,70 +8,110 @@
8#include <net/sch_generic.h> 8#include <net/sch_generic.h>
9#include <net/pkt_sched.h> 9#include <net/pkt_sched.h>
10 10
11#define tca_gen(name) \ 11struct tcf_common {
12struct tcf_##name *next; \ 12 struct tcf_common *tcfc_next;
13 u32 index; \ 13 u32 tcfc_index;
14 int refcnt; \ 14 int tcfc_refcnt;
15 int bindcnt; \ 15 int tcfc_bindcnt;
16 u32 capab; \ 16 u32 tcfc_capab;
17 int action; \ 17 int tcfc_action;
18 struct tcf_t tm; \ 18 struct tcf_t tcfc_tm;
19 struct gnet_stats_basic bstats; \ 19 struct gnet_stats_basic tcfc_bstats;
20 struct gnet_stats_queue qstats; \ 20 struct gnet_stats_queue tcfc_qstats;
21 struct gnet_stats_rate_est rate_est; \ 21 struct gnet_stats_rate_est tcfc_rate_est;
22 spinlock_t *stats_lock; \ 22 spinlock_t *tcfc_stats_lock;
23 spinlock_t lock 23 spinlock_t tcfc_lock;
24 24};
25struct tcf_police 25#define tcf_next common.tcfc_next
26{ 26#define tcf_index common.tcfc_index
27 tca_gen(police); 27#define tcf_refcnt common.tcfc_refcnt
28 int result; 28#define tcf_bindcnt common.tcfc_bindcnt
29 u32 ewma_rate; 29#define tcf_capab common.tcfc_capab
30 u32 burst; 30#define tcf_action common.tcfc_action
31 u32 mtu; 31#define tcf_tm common.tcfc_tm
32 u32 toks; 32#define tcf_bstats common.tcfc_bstats
33 u32 ptoks; 33#define tcf_qstats common.tcfc_qstats
34 psched_time_t t_c; 34#define tcf_rate_est common.tcfc_rate_est
35 struct qdisc_rate_table *R_tab; 35#define tcf_stats_lock common.tcfc_stats_lock
36 struct qdisc_rate_table *P_tab; 36#define tcf_lock common.tcfc_lock
37
38struct tcf_police {
39 struct tcf_common common;
40 int tcfp_result;
41 u32 tcfp_ewma_rate;
42 u32 tcfp_burst;
43 u32 tcfp_mtu;
44 u32 tcfp_toks;
45 u32 tcfp_ptoks;
46 psched_time_t tcfp_t_c;
47 struct qdisc_rate_table *tcfp_R_tab;
48 struct qdisc_rate_table *tcfp_P_tab;
37}; 49};
50#define to_police(pc) \
51 container_of(pc, struct tcf_police, common)
52
53struct tcf_hashinfo {
54 struct tcf_common **htab;
55 unsigned int hmask;
56 rwlock_t *lock;
57};
58
59static inline unsigned int tcf_hash(u32 index, unsigned int hmask)
60{
61 return index & hmask;
62}
38 63
39#ifdef CONFIG_NET_CLS_ACT 64#ifdef CONFIG_NET_CLS_ACT
40 65
41#define ACT_P_CREATED 1 66#define ACT_P_CREATED 1
42#define ACT_P_DELETED 1 67#define ACT_P_DELETED 1
43 68
44struct tcf_act_hdr 69struct tcf_act_hdr {
45{ 70 struct tcf_common common;
46 tca_gen(act_hdr);
47}; 71};
48 72
49struct tc_action 73struct tc_action {
50{ 74 void *priv;
51 void *priv; 75 struct tc_action_ops *ops;
52 struct tc_action_ops *ops; 76 __u32 type; /* for backward compat(TCA_OLD_COMPAT) */
53 __u32 type; /* for backward compat(TCA_OLD_COMPAT) */ 77 __u32 order;
54 __u32 order; 78 struct tc_action *next;
55 struct tc_action *next;
56}; 79};
57 80
58#define TCA_CAP_NONE 0 81#define TCA_CAP_NONE 0
59struct tc_action_ops 82struct tc_action_ops {
60{
61 struct tc_action_ops *next; 83 struct tc_action_ops *next;
84 struct tcf_hashinfo *hinfo;
62 char kind[IFNAMSIZ]; 85 char kind[IFNAMSIZ];
63 __u32 type; /* TBD to match kind */ 86 __u32 type; /* TBD to match kind */
64 __u32 capab; /* capabilities includes 4 bit version */ 87 __u32 capab; /* capabilities includes 4 bit version */
65 struct module *owner; 88 struct module *owner;
66 int (*act)(struct sk_buff *, struct tc_action *, struct tcf_result *); 89 int (*act)(struct sk_buff *, struct tc_action *, struct tcf_result *);
67 int (*get_stats)(struct sk_buff *, struct tc_action *); 90 int (*get_stats)(struct sk_buff *, struct tc_action *);
68 int (*dump)(struct sk_buff *, struct tc_action *,int , int); 91 int (*dump)(struct sk_buff *, struct tc_action *, int, int);
69 int (*cleanup)(struct tc_action *, int bind); 92 int (*cleanup)(struct tc_action *, int bind);
70 int (*lookup)(struct tc_action *, u32 ); 93 int (*lookup)(struct tc_action *, u32);
71 int (*init)(struct rtattr *,struct rtattr *,struct tc_action *, int , int ); 94 int (*init)(struct rtattr *, struct rtattr *, struct tc_action *, int , int);
72 int (*walk)(struct sk_buff *, struct netlink_callback *, int , struct tc_action *); 95 int (*walk)(struct sk_buff *, struct netlink_callback *, int, struct tc_action *);
73}; 96};
74 97
98extern struct tcf_common *tcf_hash_lookup(u32 index,
99 struct tcf_hashinfo *hinfo);
100extern void tcf_hash_destroy(struct tcf_common *p, struct tcf_hashinfo *hinfo);
101extern int tcf_hash_release(struct tcf_common *p, int bind,
102 struct tcf_hashinfo *hinfo);
103extern int tcf_generic_walker(struct sk_buff *skb, struct netlink_callback *cb,
104 int type, struct tc_action *a);
105extern u32 tcf_hash_new_index(u32 *idx_gen, struct tcf_hashinfo *hinfo);
106extern int tcf_hash_search(struct tc_action *a, u32 index);
107extern struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a,
108 int bind, struct tcf_hashinfo *hinfo);
109extern struct tcf_common *tcf_hash_create(u32 index, struct rtattr *est,
110 struct tc_action *a, int size,
111 int bind, u32 *idx_gen,
112 struct tcf_hashinfo *hinfo);
113extern void tcf_hash_insert(struct tcf_common *p, struct tcf_hashinfo *hinfo);
114
75extern int tcf_register_action(struct tc_action_ops *a); 115extern int tcf_register_action(struct tc_action_ops *a);
76extern int tcf_unregister_action(struct tc_action_ops *a); 116extern int tcf_unregister_action(struct tc_action_ops *a);
77extern void tcf_action_destroy(struct tc_action *a, int bind); 117extern void tcf_action_destroy(struct tc_action *a, int bind);
@@ -96,17 +136,17 @@ tcf_police_release(struct tcf_police *p, int bind)
96 int ret = 0; 136 int ret = 0;
97#ifdef CONFIG_NET_CLS_ACT 137#ifdef CONFIG_NET_CLS_ACT
98 if (p) { 138 if (p) {
99 if (bind) { 139 if (bind)
100 p->bindcnt--; 140 p->tcf_bindcnt--;
101 } 141
102 p->refcnt--; 142 p->tcf_refcnt--;
103 if (p->refcnt <= 0 && !p->bindcnt) { 143 if (p->tcf_refcnt <= 0 && !p->tcf_bindcnt) {
104 tcf_police_destroy(p); 144 tcf_police_destroy(p);
105 ret = 1; 145 ret = 1;
106 } 146 }
107 } 147 }
108#else 148#else
109 if (p && --p->refcnt == 0) 149 if (p && --p->tcf_refcnt == 0)
110 tcf_police_destroy(p); 150 tcf_police_destroy(p);
111 151
112#endif /* CONFIG_NET_CLS_ACT */ 152#endif /* CONFIG_NET_CLS_ACT */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-12 15:41:34 -0500