1
2#ifndef _TC_UTIL_H_
3#define _TC_UTIL_H_ 1
4
5#define MAX_MSG 16384
6#include <limits.h>
7#include <linux/if.h>
8#include <stdbool.h>
9
10#include <linux/pkt_sched.h>
11#include <linux/pkt_cls.h>
12#include <linux/gen_stats.h>
13
14#include "tc_core.h"
15#include "json_print.h"
16
17
18#ifndef TCA_PRIO_MAX
19enum
20{
21 TCA_PRIO_UNSPEC,
22 TCA_PRIO_MQ,
23 __TCA_PRIO_MAX
24};
25
26#define TCA_PRIO_MAX (__TCA_PRIO_MAX - 1)
27#endif
28
29#define FILTER_NAMESZ 16
30
31struct qdisc_util {
32 struct qdisc_util *next;
33 const char *id;
34 int (*parse_qopt)(struct qdisc_util *qu, int argc,
35 char **argv, struct nlmsghdr *n, const char *dev);
36 int (*print_qopt)(struct qdisc_util *qu,
37 FILE *f, struct rtattr *opt);
38 int (*print_xstats)(struct qdisc_util *qu,
39 FILE *f, struct rtattr *xstats);
40
41 int (*parse_copt)(struct qdisc_util *qu, int argc,
42 char **argv, struct nlmsghdr *n, const char *dev);
43 int (*print_copt)(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
44 int (*has_block)(struct qdisc_util *qu, struct rtattr *opt, __u32 block_idx, bool *p_has);
45};
46
47extern __u16 f_proto;
48struct filter_util {
49 struct filter_util *next;
50 char id[FILTER_NAMESZ];
51 int (*parse_fopt)(struct filter_util *qu, char *fhandle,
52 int argc, char **argv, struct nlmsghdr *n);
53 int (*print_fopt)(struct filter_util *qu,
54 FILE *f, struct rtattr *opt, __u32 fhandle);
55};
56
57struct action_util {
58 struct action_util *next;
59 char id[FILTER_NAMESZ];
60 int (*parse_aopt)(struct action_util *a, int *argc,
61 char ***argv, int code, struct nlmsghdr *n);
62 int (*print_aopt)(struct action_util *au, FILE *f, struct rtattr *opt);
63 int (*print_xstats)(struct action_util *au,
64 FILE *f, struct rtattr *xstats);
65};
66
67struct exec_util {
68 struct exec_util *next;
69 char id[FILTER_NAMESZ];
70 int (*parse_eopt)(struct exec_util *eu, int argc, char **argv);
71};
72
73const char *get_tc_lib(void);
74
75struct qdisc_util *get_qdisc_kind(const char *str);
76struct filter_util *get_filter_kind(const char *str);
77
78int get_qdisc_handle(__u32 *h, const char *str);
79int get_percent_rate(unsigned int *rate, const char *str, const char *dev);
80int get_percent_rate64(__u64 *rate, const char *str, const char *dev);
81int get_size_and_cell(unsigned int *size, int *cell_log, char *str);
82int get_linklayer(unsigned int *val, const char *arg);
83
84void tc_print_rate(enum output_type t, const char *key, const char *fmt,
85 unsigned long long rate);
86void print_devname(enum output_type type, int ifindex);
87
88char *sprint_tc_classid(__u32 h, char *buf);
89char *sprint_ticks(__u32 ticks, char *buf);
90char *sprint_linklayer(unsigned int linklayer, char *buf);
91
92void print_tcstats_attr(FILE *fp, struct rtattr *tb[],
93 char *prefix, struct rtattr **xstats);
94void print_tcstats2_attr(FILE *fp, struct rtattr *rta,
95 char *prefix, struct rtattr **xstats);
96
97int get_tc_classid(__u32 *h, const char *str);
98int print_tc_classid(char *buf, int len, __u32 h);
99char *sprint_tc_classid(__u32 h, char *buf);
100
101int tc_print_police(FILE *f, struct rtattr *tb);
102int parse_percent(double *val, const char *str);
103int parse_police(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n);
104
105int parse_action_control(int *argc_p, char ***argv_p,
106 int *result_p, bool allow_num);
107void parse_action_control_dflt(int *argc_p, char ***argv_p,
108 int *result_p, bool allow_num,
109 int default_result);
110int parse_action_control_slash(int *argc_p, char ***argv_p,
111 int *result1_p, int *result2_p, bool allow_num);
112void print_action_control(FILE *f, const char *prefix,
113 int action, const char *suffix);
114int police_print_xstats(struct action_util *a, FILE *f, struct rtattr *tb);
115int tc_print_action(FILE *f, const struct rtattr *tb, unsigned short tot_acts);
116int tc_print_ipt(FILE *f, const struct rtattr *tb);
117int parse_action(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n);
118void print_tm(FILE *f, const struct tcf_t *tm);
119int prio_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
120
121int cls_names_init(char *path);
122void cls_names_uninit(void);
123
124int action_a2n(char *arg, int *result, bool allow_num);
125
126bool tc_qdisc_block_exists(__u32 block_index);
127
128void print_masked_u32(const char *name, struct rtattr *attr,
129 struct rtattr *mask_attr, bool newline);
130void print_masked_u16(const char *name, struct rtattr *attr,
131 struct rtattr *mask_attr, bool newline);
132void print_masked_u8(const char *name, struct rtattr *attr,
133 struct rtattr *mask_attr, bool newline);
134void print_masked_be16(const char *name, struct rtattr *attr,
135 struct rtattr *mask_attr, bool newline);
136#endif
137
