Home | History | Annotate | Download | only in tc
      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