iproute2/tc/tc_util.h
Eric Dumazet 8334bb325d htb: support 64bit rates
Starting from linux-3.13, we can break the 32bit limitation of
rates on HTB qdisc/classes.

Prior limit was 34.359.738.360 bits per second.

lpq83:~# tc -s qdisc show dev lo ; tc -s class show dev lo
qdisc htb 1: root refcnt 2 r2q 2000 default 1 direct_packets_stat 0 direct_qlen 6000
 Sent 6591936144493 bytes 149549182 pkt (dropped 0, overlimits 213757419 requeues 0)
 rate 39464Mbit 114938pps backlog 0b 15p requeues 0
class htb 1:1 root prio 0 rate 50000Mbit ceil 50000Mbit burst 200000b cburst 0b
 Sent 6591942184547 bytes 149549310 pkt (dropped 0, overlimits 0 requeues 0)
 rate 39464Mbit 114938pps backlog 0b 15p requeues 0
 lended: 149549310 borrowed: 0 giants: 0
 tokens: 336 ctokens: -164

Signed-off-by: Eric Dumazet <edumazet@google.com>
2013-11-22 17:36:18 -08:00

104 lines
3.8 KiB
C

#ifndef _TC_UTIL_H_
#define _TC_UTIL_H_ 1
#define MAX_MSG 16384
#include <linux/pkt_sched.h>
#include <linux/pkt_cls.h>
#include <linux/gen_stats.h>
#include "tc_core.h"
/* This is the deprecated multiqueue interface */
#ifndef TCA_PRIO_MAX
enum
{
TCA_PRIO_UNSPEC,
TCA_PRIO_MQ,
__TCA_PRIO_MAX
};
#define TCA_PRIO_MAX (__TCA_PRIO_MAX - 1)
#endif
struct qdisc_util
{
struct qdisc_util *next;
const char *id;
int (*parse_qopt)(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n);
int (*print_qopt)(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
int (*print_xstats)(struct qdisc_util *qu, FILE *f, struct rtattr *xstats);
int (*parse_copt)(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n);
int (*print_copt)(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
};
extern __u16 f_proto;
struct filter_util
{
struct filter_util *next;
char id[16];
int (*parse_fopt)(struct filter_util *qu, char *fhandle, int argc,
char **argv, struct nlmsghdr *n);
int (*print_fopt)(struct filter_util *qu, FILE *f, struct rtattr *opt, __u32 fhandle);
};
struct action_util
{
struct action_util *next;
char id[16];
int (*parse_aopt)(struct action_util *a, int *argc, char ***argv,
int code, struct nlmsghdr *n);
int (*print_aopt)(struct action_util *au, FILE *f, struct rtattr *opt);
int (*print_xstats)(struct action_util *au, FILE *f, struct rtattr *xstats);
};
extern const char *get_tc_lib(void);
extern struct qdisc_util *get_qdisc_kind(const char *str);
extern struct filter_util *get_filter_kind(const char *str);
extern int get_qdisc_handle(__u32 *h, const char *str);
extern int get_rate(unsigned *rate, const char *str);
extern int get_rate64(__u64 *rate, const char *str);
extern int get_size(unsigned *size, const char *str);
extern int get_size_and_cell(unsigned *size, int *cell_log, char *str);
extern int get_time(unsigned *time, const char *str);
extern int get_linklayer(unsigned *val, const char *arg);
extern void print_rate(char *buf, int len, __u64 rate);
extern void print_size(char *buf, int len, __u32 size);
extern void print_qdisc_handle(char *buf, int len, __u32 h);
extern void print_time(char *buf, int len, __u32 time);
extern void print_linklayer(char *buf, int len, unsigned linklayer);
extern char * sprint_rate(__u64 rate, char *buf);
extern char * sprint_size(__u32 size, char *buf);
extern char * sprint_qdisc_handle(__u32 h, char *buf);
extern char * sprint_tc_classid(__u32 h, char *buf);
extern char * sprint_time(__u32 time, char *buf);
extern char * sprint_ticks(__u32 ticks, char *buf);
extern char * sprint_linklayer(unsigned linklayer, char *buf);
extern void print_tcstats_attr(FILE *fp, struct rtattr *tb[], char *prefix, struct rtattr **xstats);
extern void print_tcstats2_attr(FILE *fp, struct rtattr *rta, char *prefix, struct rtattr **xstats);
extern int get_tc_classid(__u32 *h, const char *str);
extern int print_tc_classid(char *buf, int len, __u32 h);
extern char * sprint_tc_classid(__u32 h, char *buf);
extern int tc_print_police(FILE *f, struct rtattr *tb);
extern int parse_police(int *, char ***, int, struct nlmsghdr *);
extern char *action_n2a(int action, char *buf, int len);
extern int action_a2n(char *arg, int *result);
extern int act_parse_police(struct action_util *a,int *, char ***, int, struct nlmsghdr *);
extern int print_police(struct action_util *a, FILE *f,
struct rtattr *tb);
extern int police_print_xstats(struct action_util *a,FILE *f,
struct rtattr *tb);
extern int tc_print_action(FILE *f, const struct rtattr *tb);
extern int tc_print_ipt(FILE *f, const struct rtattr *tb);
extern int parse_action(int *, char ***, int, struct nlmsghdr *);
extern void print_tm(FILE *f, const struct tcf_t *tm);
extern int prio_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
#endif