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1 | /* SPDX-License-Identifier: GPL-2.0 */ | |
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 | ||
9 | #include <linux/pkt_sched.h> | |
10 | #include <linux/pkt_cls.h> | |
11 | #include <linux/gen_stats.h> | |
12 | ||
13 | #include "tc_core.h" | |
14 | #include "json_print.h" | |
15 | ||
16 | /* This is the deprecated multiqueue interface */ | |
17 | #ifndef TCA_PRIO_MAX | |
18 | enum | |
19 | { | |
20 | TCA_PRIO_UNSPEC, | |
21 | TCA_PRIO_MQ, | |
22 | __TCA_PRIO_MAX | |
23 | }; | |
24 | ||
25 | #define TCA_PRIO_MAX (__TCA_PRIO_MAX - 1) | |
26 | #endif | |
27 | ||
28 | #define FILTER_NAMESZ 16 | |
29 | ||
30 | struct qdisc_util { | |
31 | struct qdisc_util *next; | |
32 | const char *id; | |
33 | int (*parse_qopt)(struct qdisc_util *qu, int argc, | |
34 | char **argv, struct nlmsghdr *n, const char *dev); | |
35 | int (*print_qopt)(struct qdisc_util *qu, | |
36 | FILE *f, struct rtattr *opt); | |
37 | int (*print_xstats)(struct qdisc_util *qu, | |
38 | FILE *f, struct rtattr *xstats); | |
39 | ||
40 | int (*parse_copt)(struct qdisc_util *qu, int argc, | |
41 | char **argv, struct nlmsghdr *n, const char *dev); | |
42 | int (*print_copt)(struct qdisc_util *qu, FILE *f, struct rtattr *opt); | |
43 | }; | |
44 | ||
45 | extern __u16 f_proto; | |
46 | struct filter_util { | |
47 | struct filter_util *next; | |
48 | char id[FILTER_NAMESZ]; | |
49 | int (*parse_fopt)(struct filter_util *qu, char *fhandle, | |
50 | int argc, char **argv, struct nlmsghdr *n); | |
51 | int (*print_fopt)(struct filter_util *qu, | |
52 | FILE *f, struct rtattr *opt, __u32 fhandle); | |
53 | }; | |
54 | ||
55 | struct action_util { | |
56 | struct action_util *next; | |
57 | char id[FILTER_NAMESZ]; | |
58 | int (*parse_aopt)(struct action_util *a, int *argc, | |
59 | char ***argv, int code, struct nlmsghdr *n); | |
60 | int (*print_aopt)(struct action_util *au, FILE *f, struct rtattr *opt); | |
61 | int (*print_xstats)(struct action_util *au, | |
62 | FILE *f, struct rtattr *xstats); | |
63 | }; | |
64 | ||
65 | struct exec_util { | |
66 | struct exec_util *next; | |
67 | char id[FILTER_NAMESZ]; | |
68 | int (*parse_eopt)(struct exec_util *eu, int argc, char **argv); | |
69 | }; | |
70 | ||
71 | const char *get_tc_lib(void); | |
72 | ||
73 | struct qdisc_util *get_qdisc_kind(const char *str); | |
74 | struct filter_util *get_filter_kind(const char *str); | |
75 | ||
76 | int parse_percent_rate(char *rate, const char *str, const char *dev); | |
77 | int get_qdisc_handle(__u32 *h, const char *str); | |
78 | int get_rate(unsigned int *rate, const char *str); | |
79 | int get_percent_rate(unsigned int *rate, const char *str, const char *dev); | |
80 | int get_rate64(__u64 *rate, const char *str); | |
81 | int get_percent_rate64(__u64 *rate, const char *str, const char *dev); | |
82 | int get_size(unsigned int *size, const char *str); | |
83 | int get_size_and_cell(unsigned int *size, int *cell_log, char *str); | |
84 | int get_time(unsigned int *time, const char *str); | |
85 | int get_linklayer(unsigned int *val, const char *arg); | |
86 | ||
87 | void print_rate(char *buf, int len, __u64 rate); | |
88 | void print_size(char *buf, int len, __u32 size); | |
89 | void print_qdisc_handle(char *buf, int len, __u32 h); | |
90 | void print_time(char *buf, int len, __u32 time); | |
91 | void print_linklayer(char *buf, int len, unsigned int linklayer); | |
92 | ||
93 | char *sprint_rate(__u64 rate, char *buf); | |
94 | char *sprint_size(__u32 size, char *buf); | |
95 | char *sprint_qdisc_handle(__u32 h, char *buf); | |
96 | char *sprint_tc_classid(__u32 h, char *buf); | |
97 | char *sprint_time(__u32 time, char *buf); | |
98 | char *sprint_ticks(__u32 ticks, char *buf); | |
99 | char *sprint_linklayer(unsigned int linklayer, char *buf); | |
100 | ||
101 | void print_tcstats_attr(FILE *fp, struct rtattr *tb[], | |
102 | char *prefix, struct rtattr **xstats); | |
103 | void print_tcstats2_attr(FILE *fp, struct rtattr *rta, | |
104 | char *prefix, struct rtattr **xstats); | |
105 | ||
106 | int get_tc_classid(__u32 *h, const char *str); | |
107 | int print_tc_classid(char *buf, int len, __u32 h); | |
108 | char *sprint_tc_classid(__u32 h, char *buf); | |
109 | ||
110 | int tc_print_police(FILE *f, struct rtattr *tb); | |
111 | int parse_police(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n); | |
112 | ||
113 | int parse_action_control(int *argc_p, char ***argv_p, | |
114 | int *result_p, bool allow_num); | |
115 | void parse_action_control_dflt(int *argc_p, char ***argv_p, | |
116 | int *result_p, bool allow_num, | |
117 | int default_result); | |
118 | int parse_action_control_slash(int *argc_p, char ***argv_p, | |
119 | int *result1_p, int *result2_p, bool allow_num); | |
120 | void print_action_control(FILE *f, const char *prefix, | |
121 | int action, const char *suffix); | |
122 | int act_parse_police(struct action_util *a, int *argc_p, | |
123 | char ***argv_p, int tca_id, struct nlmsghdr *n); | |
124 | int print_police(struct action_util *a, FILE *f, struct rtattr *tb); | |
125 | int police_print_xstats(struct action_util *a, FILE *f, struct rtattr *tb); | |
126 | int tc_print_action(FILE *f, const struct rtattr *tb, unsigned short tot_acts); | |
127 | int tc_print_ipt(FILE *f, const struct rtattr *tb); | |
128 | int parse_action(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n); | |
129 | void print_tm(FILE *f, const struct tcf_t *tm); | |
130 | int prio_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt); | |
131 | ||
132 | int cls_names_init(char *path); | |
133 | void cls_names_uninit(void); | |
134 | ||
135 | int action_a2n(char *arg, int *result, bool allow_num); | |
136 | ||
137 | bool tc_qdisc_block_exists(__u32 block_index); | |
138 | ||
139 | #endif |