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      1 #ifndef _TC_UTIL_H_
      2 #define _TC_UTIL_H_ 1
      3 
      4 #define MAX_MSG 16384
      5 #include <linux/pkt_sched.h>
      6 #include <linux/pkt_cls.h>
      7 #include <linux/gen_stats.h>
      8 #include "tc_core.h"
      9 
     10 /* This is the deprecated multiqueue interface */
     11 #ifndef TCA_PRIO_MAX
     12 enum
     13 {
     14 	TCA_PRIO_UNSPEC,
     15 	TCA_PRIO_MQ,
     16 	__TCA_PRIO_MAX
     17 };
     18 
     19 #define TCA_PRIO_MAX    (__TCA_PRIO_MAX - 1)
     20 #endif
     21 
     22 struct qdisc_util {
     23 	struct  qdisc_util *next;
     24 	const char *id;
     25 	int	(*parse_qopt)(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n);
     26 	int	(*print_qopt)(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
     27 	int 	(*print_xstats)(struct qdisc_util *qu, FILE *f, struct rtattr *xstats);
     28 
     29 	int	(*parse_copt)(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n);
     30 	int	(*print_copt)(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
     31 };
     32 
     33 extern __u16 f_proto;
     34 struct filter_util {
     35 	struct filter_util *next;
     36 	char	id[16];
     37 	int	(*parse_fopt)(struct filter_util *qu, char *fhandle, int argc,
     38 			      char **argv, struct nlmsghdr *n);
     39 	int	(*print_fopt)(struct filter_util *qu, FILE *f, struct rtattr *opt, __u32 fhandle);
     40 };
     41 
     42 struct action_util {
     43 	struct  action_util *next;
     44 	char    id[16];
     45 	int     (*parse_aopt)(struct action_util *a, int *argc, char ***argv,
     46 			      int code, struct nlmsghdr *n);
     47 	int     (*print_aopt)(struct action_util *au, FILE *f, struct rtattr *opt);
     48 	int     (*print_xstats)(struct action_util *au, FILE *f, struct rtattr *xstats);
     49 };
     50 
     51 struct exec_util {
     52 	struct	exec_util *next;
     53 	char	id[16];
     54 	int	(*parse_eopt)(struct exec_util *eu, int argc, char **argv);
     55 };
     56 
     57 extern const char *get_tc_lib(void);
     58 
     59 extern struct qdisc_util *get_qdisc_kind(const char *str);
     60 extern struct filter_util *get_filter_kind(const char *str);
     61 
     62 extern int get_qdisc_handle(__u32 *h, const char *str);
     63 extern int get_rate(unsigned *rate, const char *str);
     64 extern int get_rate64(__u64 *rate, const char *str);
     65 extern int get_size(unsigned *size, const char *str);
     66 extern int get_size_and_cell(unsigned *size, int *cell_log, char *str);
     67 extern int get_time(unsigned *time, const char *str);
     68 extern int get_linklayer(unsigned *val, const char *arg);
     69 
     70 extern void print_rate(char *buf, int len, __u64 rate);
     71 extern void print_size(char *buf, int len, __u32 size);
     72 extern void print_qdisc_handle(char *buf, int len, __u32 h);
     73 extern void print_time(char *buf, int len, __u32 time);
     74 extern void print_linklayer(char *buf, int len, unsigned linklayer);
     75 
     76 extern char * sprint_rate(__u64 rate, char *buf);
     77 extern char * sprint_size(__u32 size, char *buf);
     78 extern char * sprint_qdisc_handle(__u32 h, char *buf);
     79 extern char * sprint_tc_classid(__u32 h, char *buf);
     80 extern char * sprint_time(__u32 time, char *buf);
     81 extern char * sprint_ticks(__u32 ticks, char *buf);
     82 extern char * sprint_linklayer(unsigned linklayer, char *buf);
     83 
     84 extern void print_tcstats_attr(FILE *fp, struct rtattr *tb[], char *prefix, struct rtattr **xstats);
     85 extern void print_tcstats2_attr(FILE *fp, struct rtattr *rta, char *prefix, struct rtattr **xstats);
     86 
     87 extern int get_tc_classid(__u32 *h, const char *str);
     88 extern int print_tc_classid(char *buf, int len, __u32 h);
     89 extern char * sprint_tc_classid(__u32 h, char *buf);
     90 
     91 extern int tc_print_police(FILE *f, struct rtattr *tb);
     92 extern int parse_police(int *, char ***, int, struct nlmsghdr *);
     93 
     94 extern char *action_n2a(int action, char *buf, int len);
     95 extern int  action_a2n(char *arg, int *result);
     96 extern int  act_parse_police(struct action_util *a,int *, char ***, int, struct nlmsghdr *);
     97 extern int  print_police(struct action_util *a, FILE *f,
     98 			 struct rtattr *tb);
     99 extern int  police_print_xstats(struct action_util *a,FILE *f,
    100 				struct rtattr *tb);
    101 extern int  tc_print_action(FILE *f, const struct rtattr *tb);
    102 extern int  tc_print_ipt(FILE *f, const struct rtattr *tb);
    103 extern int  parse_action(int *, char ***, int, struct nlmsghdr *);
    104 extern void print_tm(FILE *f, const struct tcf_t *tm);
    105 extern int prio_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
    106 
    107 extern int cls_names_init(char *path);
    108 extern void cls_names_uninit(void);
    109 
    110 #endif
    111