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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
13 enum
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 
23 struct 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 
38 extern __u16 f_proto;
39 struct 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 
48 struct 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 
58 struct 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 
64 const char *get_tc_lib(void);
65 
66 struct qdisc_util *get_qdisc_kind(const char *str);
67 struct filter_util *get_filter_kind(const char *str);
68 
69 int get_qdisc_handle(__u32 *h, const char *str);
70 int get_rate(unsigned int *rate, const char *str);
71 int get_rate64(__u64 *rate, const char *str);
72 int get_size(unsigned int *size, const char *str);
73 int get_size_and_cell(unsigned int *size, int *cell_log, char *str);
74 int get_time(unsigned int *time, const char *str);
75 int get_linklayer(unsigned int *val, const char *arg);
76 
77 void print_rate(char *buf, int len, __u64 rate);
78 void print_size(char *buf, int len, __u32 size);
79 void print_qdisc_handle(char *buf, int len, __u32 h);
80 void print_time(char *buf, int len, __u32 time);
81 void print_linklayer(char *buf, int len, unsigned int linklayer);
82 
83 char *sprint_rate(__u64 rate, char *buf);
84 char *sprint_size(__u32 size, char *buf);
85 char *sprint_qdisc_handle(__u32 h, char *buf);
86 char *sprint_tc_classid(__u32 h, char *buf);
87 char *sprint_time(__u32 time, char *buf);
88 char *sprint_ticks(__u32 ticks, char *buf);
89 char *sprint_linklayer(unsigned int linklayer, char *buf);
90 
91 void print_tcstats_attr(FILE *fp, struct rtattr *tb[],
92 			char *prefix, struct rtattr **xstats);
93 void print_tcstats2_attr(FILE *fp, struct rtattr *rta,
94 			 char *prefix, struct rtattr **xstats);
95 
96 int get_tc_classid(__u32 *h, const char *str);
97 int print_tc_classid(char *buf, int len, __u32 h);
98 char *sprint_tc_classid(__u32 h, char *buf);
99 
100 int tc_print_police(FILE *f, struct rtattr *tb);
101 int parse_police(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n);
102 
103 int parse_action_control(int *argc_p, char ***argv_p,
104 			 int *result_p, bool allow_num);
105 void parse_action_control_dflt(int *argc_p, char ***argv_p,
106 			       int *result_p, bool allow_num,
107 			       int default_result);
108 int parse_action_control_slash(int *argc_p, char ***argv_p,
109 			       int *result1_p, int *result2_p, bool allow_num);
110 void print_action_control(FILE *f, const char *prefix,
111 			  int action, const char *suffix);
112 int act_parse_police(struct action_util *a, int *argc_p,
113 		     char ***argv_p, int tca_id, struct nlmsghdr *n);
114 int print_police(struct action_util *a, FILE *f, struct rtattr *tb);
115 int police_print_xstats(struct action_util *a, FILE *f, struct rtattr *tb);
116 int tc_print_action(FILE *f, const struct rtattr *tb, unsigned short tot_acts);
117 int tc_print_ipt(FILE *f, const struct rtattr *tb);
118 int parse_action(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n);
119 void print_tm(FILE *f, const struct tcf_t *tm);
120 int prio_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
121 
122 int cls_names_init(char *path);
123 void cls_names_uninit(void);
124 
125 #endif
126