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/if.h>
   7
   8 #include <linux/pkt_sched.h>
   9 #include <linux/pkt_cls.h>
  10 #include <linux/gen_stats.h>
  11
  12 #include "tc_core.h"
  13
  14 /* This is the deprecated multiqueue interface */
  15 #ifndef TCA_PRIO_MAX
  16 enum
  17 {
  18         TCA_PRIO_UNSPEC,
  19         TCA_PRIO_MQ,
  20         __TCA_PRIO_MAX
  21 };
  22
  23 #define TCA_PRIO_MAX    (__TCA_PRIO_MAX - 1)
  24 #endif
  25
  26 #define FILTER_NAMESZ   16
  27
  28 struct qdisc_util {
  29         struct  qdisc_util *next;
  30         const char *id;
  31         int (*parse_qopt)(struct qdisc_util *qu, int argc,
  32                           char **argv, struct nlmsghdr *n, const char *dev);
  33         int (*print_qopt)(struct qdisc_util *qu,
  34                           FILE *f, struct rtattr *opt);
  35         int (*print_xstats)(struct qdisc_util *qu,
  36                             FILE *f, struct rtattr *xstats);
  37
  38         int (*parse_copt)(struct qdisc_util *qu, int argc,
  39                           char **argv, struct nlmsghdr *n, const char *dev);
  40         int (*print_copt)(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
  41 };
  42
  43 extern __u16 f_proto;
  44 struct filter_util {
  45         struct filter_util *next;
  46         char id[FILTER_NAMESZ];
  47         int (*parse_fopt)(struct filter_util *qu, char *fhandle,
  48                           int argc, char **argv, struct nlmsghdr *n);
  49         int (*print_fopt)(struct filter_util *qu,
  50                           FILE *f, struct rtattr *opt, __u32 fhandle);
  51 };
  52
  53 struct action_util {
  54         struct action_util *next;
  55         char id[FILTER_NAMESZ];
  56         int (*parse_aopt)(struct action_util *a, int *argc,
  57                           char ***argv, int code, struct nlmsghdr *n);
  58         int (*print_aopt)(struct action_util *au, FILE *f, struct rtattr *opt);
  59         int (*print_xstats)(struct action_util *au,
  60                             FILE *f, struct rtattr *xstats);
  61 };
  62
  63 struct exec_util {
  64         struct exec_util *next;
  65         char id[FILTER_NAMESZ];
  66         int (*parse_eopt)(struct exec_util *eu, int argc, char **argv);
  67 };
  68
  69 const char *get_tc_lib(void);
  70
  71 struct qdisc_util *get_qdisc_kind(const char *str);
  72 struct filter_util *get_filter_kind(const char *str);
  73
  74 int parse_percent_rate(char *rate, const char *str, const char *dev);
  75 int get_qdisc_handle(__u32 *h, const char *str);
  76 int get_rate(unsigned int *rate, const char *str);
  77 int get_percent_rate(unsigned int *rate, const char *str, const char *dev);
  78 int get_rate64(__u64 *rate, const char *str);
  79 int get_percent_rate64(__u64 *rate, const char *str, const char *dev);
  80 int get_size(unsigned int *size, const char *str);
  81 int get_size_and_cell(unsigned int *size, int *cell_log, char *str);
  82 int get_time(unsigned int *time, const char *str);
  83 int get_linklayer(unsigned int *val, const char *arg);
  84
  85 void print_rate(char *buf, int len, __u64 rate);
  86 void print_size(char *buf, int len, __u32 size);
  87 void print_qdisc_handle(char *buf, int len, __u32 h);
  88 void print_time(char *buf, int len, __u32 time);
  89 void print_linklayer(char *buf, int len, unsigned int linklayer);
  90
  91 char *sprint_rate(__u64 rate, char *buf);
  92 char *sprint_size(__u32 size, char *buf);
  93 char *sprint_qdisc_handle(__u32 h, char *buf);
  94 char *sprint_tc_classid(__u32 h, char *buf);
  95 char *sprint_time(__u32 time, char *buf);
  96 char *sprint_ticks(__u32 ticks, char *buf);
  97 char *sprint_linklayer(unsigned int linklayer, char *buf);
  98
  99 void print_tcstats_attr(FILE *fp, struct rtattr *tb[],
 100                         char *prefix, struct rtattr **xstats);
 101 void print_tcstats2_attr(FILE *fp, struct rtattr *rta,
 102                          char *prefix, struct rtattr **xstats);
 103
 104 int get_tc_classid(__u32 *h, const char *str);
 105 int print_tc_classid(char *buf, int len, __u32 h);
 106 char *sprint_tc_classid(__u32 h, char *buf);
 107
 108 int tc_print_police(FILE *f, struct rtattr *tb);
 109 int parse_police(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n);
 110
 111 int parse_action_control(int *argc_p, char ***argv_p,
 112                          int *result_p, bool allow_num);
 113 void parse_action_control_dflt(int *argc_p, char ***argv_p,
 114                                int *result_p, bool allow_num,
 115                                int default_result);
 116 int parse_action_control_slash(int *argc_p, char ***argv_p,
 117                                int *result1_p, int *result2_p, bool allow_num);
 118 void print_action_control(FILE *f, const char *prefix,
 119                           int action, const char *suffix);
 120 int act_parse_police(struct action_util *a, int *argc_p,
 121                      char ***argv_p, int tca_id, struct nlmsghdr *n);
 122 int print_police(struct action_util *a, FILE *f, struct rtattr *tb);
 123 int police_print_xstats(struct action_util *a, FILE *f, struct rtattr *tb);
 124 int tc_print_action(FILE *f, const struct rtattr *tb, unsigned short tot_acts);
 125 int tc_print_ipt(FILE *f, const struct rtattr *tb);
 126 int parse_action(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n);
 127 void print_tm(FILE *f, const struct tcf_t *tm);
 128 int prio_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
 129
 130 int cls_names_init(char *path);
 131 void cls_names_uninit(void);
 132
 133 #endif