1#ifndef _TC_UTIL_H_
2#define _TC_UTIL_H_ 1
3
4#define MAX_MSG 16384
5#include <limits.h>
6#include <linux/pkt_sched.h>
7#include <linux/pkt_cls.h>
8#include <linux/gen_stats.h>
9#include "tc_core.h"
10
11/* This is the deprecated multiqueue interface */
12#ifndef TCA_PRIO_MAX
13enum
14{
15	TCA_PRIO_UNSPEC,
16	TCA_PRIO_MQ,
17	__TCA_PRIO_MAX
18};
19
20#define TCA_PRIO_MAX    (__TCA_PRIO_MAX - 1)
21#endif
22
23struct qdisc_util {
24	struct  qdisc_util *next;
25	const char *id;
26	int (*parse_qopt)(struct qdisc_util *qu, int argc,
27			  char **argv, struct nlmsghdr *n);
28	int (*print_qopt)(struct qdisc_util *qu,
29			  FILE *f, struct rtattr *opt);
30	int (*print_xstats)(struct qdisc_util *qu,
31			    FILE *f, struct rtattr *xstats);
32
33	int (*parse_copt)(struct qdisc_util *qu, int argc,
34			  char **argv, struct nlmsghdr *n);
35	int (*print_copt)(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
36};
37
38extern __u16 f_proto;
39struct filter_util {
40	struct filter_util *next;
41	char id[16];
42	int (*parse_fopt)(struct filter_util *qu, char *fhandle,
43			  int argc, char **argv, struct nlmsghdr *n);
44	int (*print_fopt)(struct filter_util *qu,
45			  FILE *f, struct rtattr *opt, __u32 fhandle);
46};
47
48struct action_util {
49	struct action_util *next;
50	char id[16];
51	int (*parse_aopt)(struct action_util *a, int *argc,
52			  char ***argv, int code, struct nlmsghdr *n);
53	int (*print_aopt)(struct action_util *au, FILE *f, struct rtattr *opt);
54	int (*print_xstats)(struct action_util *au,
55			    FILE *f, struct rtattr *xstats);
56};
57
58struct exec_util {
59	struct exec_util *next;
60	char id[16];
61	int (*parse_eopt)(struct exec_util *eu, int argc, char **argv);
62};
63
64const char *get_tc_lib(void);
65
66struct qdisc_util *get_qdisc_kind(const char *str);
67struct filter_util *get_filter_kind(const char *str);
68
69int get_qdisc_handle(__u32 *h, const char *str);
70int get_rate(unsigned int *rate, const char *str);
71int get_rate64(__u64 *rate, const char *str);
72int get_size(unsigned int *size, const char *str);
73int get_size_and_cell(unsigned int *size, int *cell_log, char *str);
74int get_time(unsigned int *time, const char *str);
75int get_linklayer(unsigned int *val, const char *arg);
76
77void print_rate(char *buf, int len, __u64 rate);
78void print_size(char *buf, int len, __u32 size);
79void print_qdisc_handle(char *buf, int len, __u32 h);
80void print_time(char *buf, int len, __u32 time);
81void print_linklayer(char *buf, int len, unsigned int linklayer);
82
83char *sprint_rate(__u64 rate, char *buf);
84char *sprint_size(__u32 size, char *buf);
85char *sprint_qdisc_handle(__u32 h, char *buf);
86char *sprint_tc_classid(__u32 h, char *buf);
87char *sprint_time(__u32 time, char *buf);
88char *sprint_ticks(__u32 ticks, char *buf);
89char *sprint_linklayer(unsigned int linklayer, char *buf);
90
91void print_tcstats_attr(FILE *fp, struct rtattr *tb[],
92			char *prefix, struct rtattr **xstats);
93void print_tcstats2_attr(FILE *fp, struct rtattr *rta,
94			 char *prefix, struct rtattr **xstats);
95
96int get_tc_classid(__u32 *h, const char *str);
97int print_tc_classid(char *buf, int len, __u32 h);
98char *sprint_tc_classid(__u32 h, char *buf);
99
100int tc_print_police(FILE *f, struct rtattr *tb);
101int parse_police(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n);
102
103int parse_action_control(int *argc_p, char ***argv_p,
104			 int *result_p, bool allow_num);
105void parse_action_control_dflt(int *argc_p, char ***argv_p,
106			       int *result_p, bool allow_num,
107			       int default_result);
108int parse_action_control_slash(int *argc_p, char ***argv_p,
109			       int *result1_p, int *result2_p, bool allow_num);
110void print_action_control(FILE *f, const char *prefix,
111			  int action, const char *suffix);
112int act_parse_police(struct action_util *a, int *argc_p,
113		     char ***argv_p, int tca_id, struct nlmsghdr *n);
114int print_police(struct action_util *a, FILE *f, struct rtattr *tb);
115int police_print_xstats(struct action_util *a, FILE *f, struct rtattr *tb);
116int tc_print_action(FILE *f, const struct rtattr *tb, unsigned short tot_acts);
117int tc_print_ipt(FILE *f, const struct rtattr *tb);
118int parse_action(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n);
119void print_tm(FILE *f, const struct tcf_t *tm);
120int prio_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
121
122int cls_names_init(char *path);
123void cls_names_uninit(void);
124
125#endif
126