tc/tc_util.h

   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